From: Andrew Morton <akpm@linux-foundation.org>
To: cai@lca.pw, david@redhat.com, dvyukov@google.com,
elver@google.com, hannes@cmpxchg.org, mhocko@suse.com,
mm-commits@vger.kernel.org, penguin-kernel@I-love.SAKURA.ne.jp
Subject: + mm-page_counter-fix-various-data-races-at-memsw.patch added to -mm tree
Date: Wed, 12 Feb 2020 13:16:40 -0800 [thread overview]
Message-ID: <20200212211640.YAZ_7uAsJ%akpm@linux-foundation.org> (raw)
In-Reply-To: <20200203173311.6269a8be06a05e5a4aa08a93@linux-foundation.org>
The patch titled
Subject: mm/page_counter: fix various data races at memsw
has been added to the -mm tree. Its filename is
mm-page_counter-fix-various-data-races-at-memsw.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-page_counter-fix-various-data-races-at-memsw.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-page_counter-fix-various-data-races-at-memsw.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
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*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Qian Cai <cai@lca.pw>
Subject: mm/page_counter: fix various data races at memsw
Commit 3e32cb2e0a12 ("mm: memcontrol: lockless page counters") could had
memcg->memsw->watermark and memcg->memsw->failcnt been accessed
concurrently as reported by KCSAN,
BUG: KCSAN: data-race in page_counter_try_charge / page_counter_try_charge
read to 0xffff8fb18c4cd190 of 8 bytes by task 1081 on cpu 59:
page_counter_try_charge+0x4d/0x150 mm/page_counter.c:138
try_charge+0x131/0xd50 mm/memcontrol.c:2405
__memcg_kmem_charge_memcg+0x58/0x140
__memcg_kmem_charge+0xcc/0x280
__alloc_pages_nodemask+0x1e1/0x450
alloc_pages_current+0xa6/0x120
pte_alloc_one+0x17/0xd0
__pte_alloc+0x3a/0x1f0
copy_p4d_range+0xc36/0x1990
copy_page_range+0x21d/0x360
dup_mmap+0x5f5/0x7a0
dup_mm+0xa2/0x240
copy_process+0x1b3f/0x3460
_do_fork+0xaa/0xa20
__x64_sys_clone+0x13b/0x170
do_syscall_64+0x91/0xb47
entry_SYSCALL_64_after_hwframe+0x49/0xbe
write to 0xffff8fb18c4cd190 of 8 bytes by task 1153 on cpu 120:
page_counter_try_charge+0x5b/0x150 mm/page_counter.c:139
try_charge+0x131/0xd50 mm/memcontrol.c:2405
mem_cgroup_try_charge+0x159/0x460
mem_cgroup_try_charge_delay+0x3d/0xa0
wp_page_copy+0x14d/0x930
do_wp_page+0x107/0x7b0
__handle_mm_fault+0xce6/0xd40
handle_mm_fault+0xfc/0x2f0
do_page_fault+0x263/0x6f9
page_fault+0x34/0x40
BUG: KCSAN: data-race in page_counter_try_charge / page_counter_try_charge
write to 0xffff88809bbf2158 of 8 bytes by task 11782 on cpu 0:
page_counter_try_charge+0x100/0x170 mm/page_counter.c:129
try_charge+0x185/0xbf0 mm/memcontrol.c:2405
__memcg_kmem_charge_memcg+0x4a/0xe0 mm/memcontrol.c:2837
__memcg_kmem_charge+0xcf/0x1b0 mm/memcontrol.c:2877
__alloc_pages_nodemask+0x26c/0x310 mm/page_alloc.c:4780
read to 0xffff88809bbf2158 of 8 bytes by task 11814 on cpu 1:
page_counter_try_charge+0xef/0x170 mm/page_counter.c:129
try_charge+0x185/0xbf0 mm/memcontrol.c:2405
__memcg_kmem_charge_memcg+0x4a/0xe0 mm/memcontrol.c:2837
__memcg_kmem_charge+0xcf/0x1b0 mm/memcontrol.c:2877
__alloc_pages_nodemask+0x26c/0x310 mm/page_alloc.c:4780
Since watermark could be compared or set to garbage due to a data race
which would change the code logic, fix it by adding a pair of READ_ONCE()
and WRITE_ONCE() in those places.
The "failcnt" counter is tolerant of some degree of inaccuracy and is only
used to report stats, a data race will not be harmful, thus mark it as an
intentional data race using the data_race() macro.
Link: http://lkml.kernel.org/r/1581519682-23594-1-git-send-email-cai@lca.pw
Fixes: 3e32cb2e0a12 ("mm: memcontrol: lockless page counters")
Signed-off-by: Qian Cai <cai@lca.pw>
Reported-by: syzbot+f36cfe60b1006a94f9dc@syzkaller.appspotmail.com
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Marco Elver <elver@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/page_counter.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
--- a/mm/page_counter.c~mm-page_counter-fix-various-data-races-at-memsw
+++ a/mm/page_counter.c
@@ -82,8 +82,8 @@ void page_counter_charge(struct page_cou
* This is indeed racy, but we can live with some
* inaccuracy in the watermark.
*/
- if (new > c->watermark)
- c->watermark = new;
+ if (new > READ_ONCE(c->watermark))
+ WRITE_ONCE(c->watermark, new);
}
}
@@ -124,9 +124,10 @@ bool page_counter_try_charge(struct page
propagate_protected_usage(counter, new);
/*
* This is racy, but we can live with some
- * inaccuracy in the failcnt.
+ * inaccuracy in the failcnt which is only used
+ * to report stats.
*/
- c->failcnt++;
+ data_race(c->failcnt++);
*fail = c;
goto failed;
}
@@ -135,8 +136,8 @@ bool page_counter_try_charge(struct page
* Just like with failcnt, we can live with some
* inaccuracy in the watermark.
*/
- if (new > c->watermark)
- c->watermark = new;
+ if (new > READ_ONCE(c->watermark))
+ WRITE_ONCE(c->watermark, new);
}
return true;
_
Patches currently in -mm which might be from cai@lca.pw are
mm-kmemleak-annotate-a-data-race-in-checksum.patch
mm-swapfile-fix-and-annotate-various-data-races.patch
mm-page_counter-fix-various-data-races-at-memsw.patch
mm-page_counter-fix-various-data-races.patch
mm-memcontrol-fix-a-data-race-in-scan-count.patch
mm-list_lru-fix-a-data-race-in-list_lru_count_one.patch
mm-mempool-fix-a-data-race-in-mempool_free.patch
mm-rmap-annotate-a-data-race-at-tlb_flush_batched.patch
mm-frontswap-mark-various-intentional-data-races.patch
mm-page_io-mark-various-intentional-data-races.patch
mm-swap_state-mark-various-intentional-data-races.patch
next prev parent reply other threads:[~2020-02-12 21:16 UTC|newest]
Thread overview: 290+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-04 1:33 incoming Andrew Morton
2020-02-04 1:33 ` [patch 01/67] ocfs2: fix oops when writing cloned file Andrew Morton
2020-02-04 1:33 ` [patch 02/67] mm/page_alloc.c: fix uninitialized memmaps on a partially populated last section Andrew Morton
2020-02-04 1:33 ` [patch 03/67] fs/proc/page.c: allow inspection of last section and fix end detection Andrew Morton
2020-02-04 1:33 ` [patch 04/67] mm/page_alloc.c: initialize memmap of unavailable memory directly Andrew Morton
2020-02-04 1:33 ` [patch 05/67] mm/page_alloc: fix and rework pfn handling in memmap_init_zone() Andrew Morton
2020-02-04 2:45 ` Linus Torvalds
2020-02-04 1:34 ` [patch 06/67] mm: factor out next_present_section_nr() Andrew Morton
2020-02-04 1:34 ` Andrew Morton
2020-02-04 3:04 ` Linus Torvalds
2020-02-04 4:29 ` Andrew Morton
2020-02-04 8:22 ` David Hildenbrand
2020-02-04 1:34 ` [patch 07/67] mm/memmap_init: update variable name in memmap_init_zone Andrew Morton
2020-02-04 1:34 ` [patch 08/67] mm/memory_hotplug: poison memmap in remove_pfn_range_from_zone() Andrew Morton
2020-02-04 1:34 ` [patch 09/67] mm/memory_hotplug: we always have a zone in find_(smallest|biggest)_section_pfn Andrew Morton
2020-02-04 1:34 ` [patch 10/67] mm/memory_hotplug: don't check for "all holes" in shrink_zone_span() Andrew Morton
2020-02-04 1:34 ` Andrew Morton
2020-02-04 1:34 ` [patch 11/67] mm/memory_hotplug: drop local variables " Andrew Morton
2020-02-04 1:34 ` [patch 12/67] mm/memory_hotplug: cleanup __remove_pages() Andrew Morton
2020-02-04 1:34 ` Andrew Morton
2020-02-04 1:34 ` [patch 13/67] mm/memory_hotplug: drop valid_start/valid_end from test_pages_in_a_zone() Andrew Morton
2020-02-04 1:34 ` Andrew Morton
2020-02-04 1:34 ` [patch 14/67] smp_mb__{before,after}_atomic(): update Documentation Andrew Morton
2020-02-04 1:34 ` [patch 15/67] ipc/mqueue.c: remove duplicated code Andrew Morton
2020-02-04 1:34 ` [patch 16/67] ipc/mqueue.c: update/document memory barriers Andrew Morton
2020-02-04 1:34 ` [patch 17/67] ipc/msg.c: update and document " Andrew Morton
2020-02-04 1:34 ` [patch 18/67] ipc/sem.c: document and update " Andrew Morton
2020-02-04 1:34 ` [patch 19/67] ipc/msg.c: consolidate all xxxctl_down() functions Andrew Morton
2020-02-04 1:34 ` [patch 20/67] drivers/block/null_blk_main.c: fix layout Andrew Morton
2020-02-04 1:34 ` [patch 21/67] drivers/block/null_blk_main.c: fix uninitialized var warnings Andrew Morton
2020-02-04 1:34 ` [patch 22/67] pinctrl: fix pxa2xx.c build warnings Andrew Morton
2020-02-04 1:34 ` [patch 23/67] mm: remove __krealloc Andrew Morton
2020-02-04 1:34 ` Andrew Morton
2020-02-04 1:35 ` [patch 24/67] mm: add generic p?d_leaf() macros Andrew Morton
2020-02-04 1:35 ` [patch 25/67] arc: mm: add p?d_leaf() definitions Andrew Morton
2020-02-04 1:35 ` [patch 26/67] arm: " Andrew Morton
2020-02-04 1:35 ` [patch 27/67] arm64: " Andrew Morton
2020-02-04 1:35 ` [patch 28/67] mips: " Andrew Morton
2020-02-04 1:35 ` [patch 29/67] powerpc: " Andrew Morton
2020-02-04 1:35 ` [patch 30/67] riscv: " Andrew Morton
2020-02-04 1:35 ` [patch 31/67] s390: " Andrew Morton
2020-02-04 1:35 ` [patch 32/67] sparc: " Andrew Morton
2020-02-04 1:35 ` [patch 33/67] x86: " Andrew Morton
2020-02-04 1:35 ` [patch 34/67] mm: pagewalk: add p4d_entry() and pgd_entry() Andrew Morton
2020-02-04 1:35 ` [patch 35/67] mm: pagewalk: allow walking without vma Andrew Morton
2020-02-04 1:35 ` [patch 36/67] mm: pagewalk: don't lock PTEs for walk_page_range_novma() Andrew Morton
2020-02-04 1:35 ` [patch 37/67] mm: pagewalk: fix termination condition in walk_pte_range() Andrew Morton
2020-02-04 1:36 ` [patch 38/67] mm: pagewalk: add 'depth' parameter to pte_hole Andrew Morton
2020-02-04 1:36 ` [patch 39/67] x86: mm: point to struct seq_file from struct pg_state Andrew Morton
2020-02-04 1:36 ` [patch 40/67] x86: mm+efi: convert ptdump_walk_pgd_level() to take a mm_struct Andrew Morton
2020-02-04 1:36 ` [patch 41/67] x86: mm: convert ptdump_walk_pgd_level_debugfs() to take an mm_struct Andrew Morton
2020-02-04 1:36 ` Andrew Morton
2020-02-04 1:36 ` [patch 42/67] mm: add generic ptdump Andrew Morton
2020-02-04 1:36 ` [patch 43/67] x86: mm: convert dump_pagetables to use walk_page_range Andrew Morton
2020-02-04 1:36 ` [patch 44/67] arm64: mm: convert mm/dump.c to use walk_page_range() Andrew Morton
2020-02-04 1:36 ` [patch 45/67] arm64: mm: display non-present entries in ptdump Andrew Morton
2020-02-04 1:36 ` [patch 46/67] mm: ptdump: reduce level numbers by 1 in note_page() Andrew Morton
2020-02-04 1:36 ` [patch 47/67] x86: mm: avoid allocating struct mm_struct on the stack Andrew Morton
2020-02-04 1:36 ` Andrew Morton
2020-02-04 1:36 ` [patch 48/67] powerpc/mmu_gather: enable RCU_TABLE_FREE even for !SMP case Andrew Morton
2020-02-04 1:36 ` [patch 49/67] mm/mmu_gather: invalidate TLB correctly on batch allocation failure and flush Andrew Morton
2020-02-04 1:36 ` [patch 50/67] asm-generic/tlb: avoid potential double flush Andrew Morton
2020-02-04 1:36 ` [patch 51/67] asm-gemeric/tlb: remove stray function declarations Andrew Morton
2020-02-04 1:36 ` [patch 52/67] asm-generic/tlb: add missing CONFIG symbol Andrew Morton
2020-02-04 1:37 ` [patch 53/67] asm-generic/tlb: rename HAVE_RCU_TABLE_FREE Andrew Morton
2020-02-04 1:37 ` [patch 54/67] asm-generic/tlb: rename HAVE_MMU_GATHER_PAGE_SIZE Andrew Morton
2020-02-04 1:37 ` [patch 55/67] asm-generic/tlb: rename HAVE_MMU_GATHER_NO_GATHER Andrew Morton
2020-02-04 1:37 ` [patch 56/67] asm-generic/tlb: provide MMU_GATHER_TABLE_FREE Andrew Morton
2020-02-04 1:37 ` [patch 57/67] proc: decouple proc from VFS with "struct proc_ops" Andrew Morton
2020-02-04 1:37 ` [patch 58/67] proc: convert everything to " Andrew Morton
2020-02-04 1:37 ` [patch 59/67] lib/string: add strnchrnul() Andrew Morton
2020-02-04 1:37 ` [patch 60/67] bitops: more BITS_TO_* macros Andrew Morton
2020-02-04 1:37 ` [patch 61/67] lib: add test for bitmap_parse() Andrew Morton
2020-02-04 1:37 ` [patch 62/67] lib: make bitmap_parse_user a wrapper on bitmap_parse Andrew Morton
2020-02-04 1:37 ` [patch 63/67] lib: rework bitmap_parse() Andrew Morton
2020-02-04 1:37 ` [patch 64/67] lib: new testcases for bitmap_parse{_user} Andrew Morton
2020-02-04 1:37 ` [patch 65/67] include/linux/cpumask.h: don't calculate length of the input string Andrew Morton
2020-02-04 1:37 ` Andrew Morton
2020-02-04 1:37 ` [patch 66/67] treewide: remove redundant IS_ERR() before error code check Andrew Morton
2020-02-04 1:37 ` [patch 67/67] ARM: dma-api: fix max_pfn off-by-one error in __dma_supported() Andrew Morton
2020-02-04 1:48 ` [merged] mips-kdb-remove-old-workaround-for-backtracing-on-other-cpus.patch removed from -mm tree Andrew Morton
2020-02-04 1:48 ` [merged] kdb-kdb_current_regs-should-be-private.patch " Andrew Morton
2020-02-04 1:48 ` [merged] kdb-kdb_current_task-shouldnt-be-exported.patch " Andrew Morton
2020-02-04 1:48 ` [merged] kdb-gid-rid-of-implicit-setting-of-the-current-task-regs.patch " Andrew Morton
2020-02-04 1:48 ` [merged] kdb-get-rid-of-confusing-diag-msg-from-rd-if-current-task-has-no-regs.patch " Andrew Morton
2020-02-04 1:49 ` [obsolete] linux-next-git-rejects.patch " Andrew Morton
2020-02-04 2:27 ` incoming Linus Torvalds
2020-02-04 2:46 ` incoming Andrew Morton
2020-02-04 3:11 ` incoming Linus Torvalds
2020-02-10 0:55 ` + mm-dont-prepare-anon_vma-if-vma-has-vm_wipeonfork.patch added to -mm tree Andrew Morton
2020-02-10 0:55 ` + revert-mm-rmapc-reuse-mergeable-anon_vma-as-parent-when-fork.patch " Andrew Morton
2020-02-10 0:55 ` + mm-set-vm_next-and-vm_prev-to-null-in-vm_area_dup.patch " Andrew Morton
2020-02-10 1:03 ` + mm-list_lru-fix-a-data-race-in-list_lru_count_one.patch " Andrew Morton
2020-02-10 1:05 ` + mm-frontswap-mark-various-intentional-data-races.patch " Andrew Morton
2020-02-10 1:22 ` + mm-add-mremap_dontunmap-to-mremap.patch " Andrew Morton
2020-02-10 1:35 ` + mm-sparsemem-get-address-to-page-struct-instead-of-address-to-pfn.patch " Andrew Morton
2020-02-10 1:48 ` + mm-swapfile-fix-and-annotate-various-data-races.patch " Andrew Morton
2020-02-10 2:01 ` + mm-page_io-mark-various-intentional-data-races.patch " Andrew Morton
2020-02-10 2:01 ` + mm-swap_state-mark-various-intentional-data-races.patch " Andrew Morton
2020-02-10 4:00 ` + linux-pipe_fs_ih-fix-kernel-doc-warnings-after-wait-was-split.patch " Andrew Morton
2020-02-10 4:16 ` + mm-swap-move-inode_lock-out-of-claim_swapfile.patch " Andrew Morton
2020-02-10 4:20 ` + selftests-vm-add-missed-tests-in-run_vmtests.patch " Andrew Morton
2020-02-10 4:21 ` + mm-memcg-fix-build-error-around-the-usage-of-kmem_caches.patch " Andrew Morton
2020-02-10 4:23 ` + mm-memcontrol-fix-a-data-race-in-scan-count.patch " Andrew Morton
2020-02-10 4:29 ` + get_maintainer-remove-uses-of-p-for-maintainer-name.patch " Andrew Morton
2020-02-10 4:37 ` + scripts-get_maintainerpl-deprioritize-old-fixes-addresses.patch " Andrew Morton
2020-02-11 5:33 ` + mm-vmpressure-dont-need-call-kfree-if-kstrndup-fails.patch " Andrew Morton
2020-02-11 5:34 ` + mm-vmpressure-use-mem_cgroup_is_root-api.patch " Andrew Morton
2020-02-11 5:39 ` + mm-filemap-fix-a-data-race-in-filemap_fault.patch " Andrew Morton
2020-02-11 5:50 ` + mm-gup-split-get_user_pages_remote-into-two-routines.patch " Andrew Morton
2020-02-11 5:50 ` + mm-gup-pass-a-flags-arg-to-__gup_device_-functions.patch " Andrew Morton
2020-02-11 5:50 ` + mm-introduce-page_ref_sub_return.patch " Andrew Morton
2020-02-11 5:50 ` + mm-gup-pass-gup-flags-to-two-more-routines.patch " Andrew Morton
2020-02-11 5:50 ` + mm-gup-require-foll_get-for-get_user_pages_fast.patch " Andrew Morton
2020-02-11 5:50 ` + mm-gup-track-foll_pin-pages.patch " Andrew Morton
2020-02-11 5:50 ` + mm-gup-page-hpage_pinned_refcount-exact-pin-counts-for-huge-pages.patch " Andrew Morton
2020-02-11 5:50 ` + mm-gup-proc-vmstat-pin_user_pages-foll_pin-reporting.patch " Andrew Morton
2020-02-11 5:50 ` + mm-gup_benchmark-support-pin_user_pages-and-related-calls.patch " Andrew Morton
2020-02-11 5:50 ` + selftests-vm-run_vmtests-invoke-gup_benchmark-with-basic-foll_pin-coverage.patch " Andrew Morton
2020-02-11 5:50 ` + mm-improve-dump_page-for-compound-pages.patch " Andrew Morton
2020-02-11 5:51 ` + mm-dump_page-additional-diagnostics-for-huge-pinned-pages.patch " Andrew Morton
2020-02-11 6:05 ` + mm-mapping_dirty_helpers-update-huge-page-table-entry-callbacks.patch " Andrew Morton
2020-02-11 6:06 ` + zswap-allow-setting-default-status-compressor-and-allocator-in-kconfig.patch " Andrew Morton
2020-02-11 23:19 ` + hugetlb_cgroup-add-hugetlb_cgroup-reservation-counter.patch " Andrew Morton
2020-02-11 23:19 ` + hugetlb_cgroup-add-interface-for-charge-uncharge-hugetlb-reservations.patch " Andrew Morton
2020-02-11 23:19 ` + hugetlb_cgroup-add-reservation-accounting-for-private-mappings.patch " Andrew Morton
2020-02-11 23:19 ` + hugetlb-disable-region_add-file_region-coalescing.patch " Andrew Morton
2020-02-11 23:19 ` + hugetlb_cgroup-add-accounting-for-shared-mappings.patch " Andrew Morton
2020-02-11 23:19 ` + hugetlb_cgroup-support-noreserve-mappings.patch " Andrew Morton
2020-02-11 23:19 ` + hugetlb-support-file_region-coalescing-again.patch " Andrew Morton
2020-02-11 23:19 ` + hugetlb_cgroup-add-hugetlb_cgroup-reservation-tests.patch " Andrew Morton
2020-02-11 23:19 ` + hugetlb_cgroup-add-hugetlb_cgroup-reservation-docs.patch " Andrew Morton
2020-02-11 23:21 ` + lib-bch-replace-zero-length-array-with-flexible-array-member.patch " Andrew Morton
2020-02-11 23:21 ` + lib-objagg-replace-zero-length-arrays-with-flexible-array-member.patch " Andrew Morton
2020-02-11 23:21 ` + lib-ts_bm-replace-zero-length-array-with-flexible-array-member.patch " Andrew Morton
2020-02-11 23:21 ` + lib-ts_fsm-replace-zero-length-array-with-flexible-array-member.patch " Andrew Morton
2020-02-11 23:21 ` + lib-ts_kmp-replace-zero-length-array-with-flexible-array-member.patch " Andrew Morton
2020-02-11 23:23 ` + mm-rmap-annotate-a-data-race-at-tlb_flush_batched.patch " Andrew Morton
2020-02-11 23:26 ` + mm-mempool-fix-a-data-race-in-mempool_free.patch " Andrew Morton
2020-02-11 23:53 ` + mm-kmemleak-annotate-a-data-race-in-checksum.patch " Andrew Morton
2020-02-12 0:19 ` + mm-adjust-shuffle-code-to-allow-for-future-coalescing.patch " Andrew Morton
2020-02-12 0:19 ` + mm-use-zone-and-order-instead-of-free-area-in-free_list-manipulators.patch " Andrew Morton
2020-02-12 0:19 ` + mm-add-function-__putback_isolated_page.patch " Andrew Morton
2020-02-12 0:19 ` + mm-introduce-reported-pages.patch " Andrew Morton
2020-02-12 0:19 ` + virtio-balloon-pull-page-poisoning-config-out-of-free-page-hinting.patch " Andrew Morton
2020-02-12 0:19 ` + virtio-balloon-add-support-for-providing-free-page-reports-to-host.patch " Andrew Morton
2020-02-12 0:20 ` + mm-page_reporting-rotate-reported-pages-to-the-tail-of-the-list.patch " Andrew Morton
2020-02-12 0:20 ` + mm-page_reporting-add-budget-limit-on-how-many-pages-can-be-reported-per-pass.patch " Andrew Morton
2020-02-12 0:20 ` + mm-page_reporting-add-free-page-reporting-documentation.patch " Andrew Morton
2020-02-12 0:30 ` + mm-page_counter-fix-various-data-races.patch " Andrew Morton
2020-02-12 0:33 ` + memcg-lost-css_put-in-memcg_expand_shrinker_maps.patch " Andrew Morton
2020-02-12 21:16 ` Andrew Morton [this message]
2020-02-12 21:16 ` [to-be-updated] mm-page_counter-fix-various-data-races.patch removed from " Andrew Morton
2020-02-12 21:18 ` + mm-swapfilec-fix-comments-for-swapcache_prepare.patch added to " Andrew Morton
2020-02-12 21:22 ` + mm-util-annotate-an-data-race-at-vm_committed_as.patch " Andrew Morton
2020-02-12 22:08 ` + asm-generic-fix-unistd_32h-generation-format.patch " Andrew Morton
2020-02-12 22:26 ` + mm-dont-bother-dropping-mmap_sem-for-zero-size-readahead.patch " Andrew Morton
2020-02-12 22:34 ` + lib-scatterlist-fix-sg_copy_buffer-kerneldoc.patch " Andrew Morton
2020-02-12 22:59 ` + mm-allocate-shrinker_map-on-appropriate-numa-node.patch " Andrew Morton
2020-02-12 23:05 ` + init-cleanup-anon_inodes-and-old-io-schedulers-options.patch " Andrew Morton
2020-02-12 23:10 ` + checkpatch-check-spdx-tags-in-yaml-files.patch " Andrew Morton
2020-02-13 2:16 ` + drivers-base-memoryc-indicate-all-memory-blocks-as-removable.patch " Andrew Morton
2020-02-13 2:56 ` + mm-refactor-insert_page-to-prepare-for-batched-lock-insert.patch " Andrew Morton
2020-02-13 2:56 ` + mm-add-vm_insert_pages.patch " Andrew Morton
2020-02-13 2:57 ` + mm-add-vm_insert_pages-fix.patch " Andrew Morton
2020-02-13 2:57 ` + net-zerocopy-use-vm_insert_pages-for-tcp-rcv-zerocopy.patch " Andrew Morton
2020-02-13 2:57 ` + net-zerocopy-use-vm_insert_pages-for-tcp-rcv-zerocopy-fix.patch " Andrew Morton
2020-02-14 2:50 ` + mm-add-vm_insert_pages-2.patch " Andrew Morton
2020-02-14 2:52 ` + mm-migratec-no-need-to-check-for-i-start-in-do_pages_move.patch " Andrew Morton
2020-02-14 2:52 ` + mm-migratec-wrap-do_move_pages_to_node-and-store_status.patch " Andrew Morton
2020-02-14 2:52 ` + mm-migratec-check-pagelist-in-move_pages_and_store_status.patch " Andrew Morton
2020-02-14 2:52 ` + mm-migratec-unify-not-queued-for-migration-handling-in-do_pages_move.patch " Andrew Morton
2020-02-14 2:57 ` + mm-migratec-migrate-pg_readahead-flag.patch " Andrew Morton
2020-02-14 2:57 ` + mm-migratec-migrate-pg_readahead-flag-fix.patch " Andrew Morton
2020-02-14 2:58 ` + include-remove-highmemh-from-pagemaph.patch " Andrew Morton
2020-02-14 3:06 ` + mm-kmemleak-annotate-various-data-races-obj-ptr.patch " Andrew Morton
2020-02-14 3:06 ` [to-be-updated] mm-kmemleak-annotate-a-data-race-in-checksum.patch removed from " Andrew Morton
2020-02-14 3:26 ` + mm-swapfile-fix-and-annotate-various-data-races-v2.patch added to " Andrew Morton
2020-02-14 3:27 ` + mm-page_io-mark-various-intentional-data-races-v2.patch " Andrew Morton
2020-02-14 5:10 ` + checkpatch-support-base-commit-format.patch " Andrew Morton
2020-02-14 5:11 ` + checkpatch-prefer-fallthrough-over-fallthrough-comments.patch " Andrew Morton
2020-02-14 5:12 ` + uapi-fix-userspace-breakage-use-__bits_per_long-for-swap.patch " Andrew Morton
2020-02-14 5:15 ` + lib-string-update-match_string-doc-strings-with-correct-behavior.patch " Andrew Morton
2020-02-14 5:16 ` + mm-vmscan-replace-open-codings-to-numa_no_node.patch " Andrew Morton
2020-02-14 5:19 ` + mm-mempolicy-support-mpol_mf_strict-for-huge-page-mapping.patch " Andrew Morton
2020-02-14 5:22 ` + mm-vmscan-dont-round-up-scan-size-for-online-memory-cgroup.patch " Andrew Morton
2020-02-14 5:26 ` + mm-mempolicy-use-vm_bug_on_vma-in-queue_pages_test_walk.patch " Andrew Morton
2020-02-14 5:30 ` + drivers-base-memoryc-drop-section_count.patch " Andrew Morton
2020-02-14 5:31 ` + drivers-base-memoryc-drop-pages_correctly_probed.patch " Andrew Morton
2020-02-14 5:31 ` + mm-page_extc-drop-pfn_present-check-when-onlining.patch " Andrew Morton
2020-02-14 5:41 ` [failures] include-remove-highmemh-from-pagemaph.patch removed from " Andrew Morton
2020-02-14 6:26 ` mmotm 2020-02-13-22-26 uploaded Andrew Morton
2020-02-14 16:29 ` mmotm 2020-02-13-22-26 uploaded (mm/hugetlb.c) Randy Dunlap
2020-02-14 17:18 ` Mike Kravetz
2020-02-14 20:51 ` Mina Almasry
2020-02-14 20:51 ` Mina Almasry
[not found] ` <20200214204544.231482-1-almasrymina@google.com>
2020-02-14 21:00 ` [PATCH] hugetlb: fix CONFIG_CGROUP_HUGETLB ifdefs Mina Almasry
2020-02-14 21:00 ` Mina Almasry
2020-02-15 1:17 ` Randy Dunlap
2020-02-15 1:56 ` Randy Dunlap
2020-02-16 20:40 ` Mina Almasry
2020-02-16 20:40 ` Mina Almasry
2020-02-16 21:03 ` Mina Almasry
2020-02-16 21:03 ` Mina Almasry
2020-02-17 2:48 ` Randy Dunlap
2020-02-17 2:57 ` [PATCH] hugetlb: fix <linux/hugetlb_cgroup.h> structs Randy Dunlap
2020-02-17 3:53 ` [PATCH] hugetlb: fix CONFIG_CGROUP_HUGETLB ifdefs Stephen Rothwell
2020-02-14 16:49 ` mmotm 2020-02-13-22-26 uploaded (mm/migrate.c, hugetlb_cgroup.h) Randy Dunlap
2020-02-14 6:26 ` mmotm 2020-02-13-22-26 uploaded Andrew Morton
2020-02-24 2:45 ` + mm-debug-add-tests-validating-architecture-page-table-helpers.patch added to -mm tree Andrew Morton
2020-02-24 3:20 ` + proc-faster-open-read-close-with-permanent-files.patch " Andrew Morton
2020-02-24 3:24 ` + proc-faster-open-read-close-with-permanent-files-checkpatch-fixes.patch " Andrew Morton
2020-02-24 3:25 ` + psi-move-pf_memstall-into-psi-specific-psi_flags.patch " Andrew Morton
2020-02-24 3:29 ` + mm-hugetlb-fix-a-addressing-exception-caused-by-huge_pte_offset.patch " Andrew Morton
2020-02-24 3:31 ` + ocfs2-there-is-no-need-to-log-twice-in-several-functions.patch " Andrew Morton
2020-02-24 3:31 ` + ocfs2-correct-annotation-from-l_next_rec-to-l_next_free_rec.patch " Andrew Morton
2020-02-24 3:46 ` + hugetlb-support-file_region-coalescing-again-fix-2.patch " Andrew Morton
2020-02-24 3:53 ` + fat-fix-uninit-memory-access-for-partial-initialized-inode.patch " Andrew Morton
2020-02-24 3:53 ` Andrew Morton
2020-02-24 4:08 ` + mm-add-mremap_dontunmap-to-mremap-v7.patch " Andrew Morton
2020-02-24 4:08 ` + selftest-add-mremap_dontunmap-selftest-v7.patch " Andrew Morton
2020-02-24 4:08 ` + selftest-add-mremap_dontunmap-selftest-v7-checkpatch-fixes.patch " Andrew Morton
2020-02-24 4:10 ` + percpu_counter-fix-a-data-race-at-vm_committed_as.patch " Andrew Morton
2020-02-24 4:10 ` + lib-test_lockup-fix-spelling-mistake-iteraions-iterations.patch " Andrew Morton
2020-02-24 21:40 ` + mm-swapfile-fix-data-races-in-try_to_unuse.patch " Andrew Morton
2020-02-24 21:45 ` [nacked] psi-move-pf_memstall-into-psi-specific-psi_flags.patch removed from " Andrew Morton
2020-02-24 21:57 ` + mm-z3fold-do-not-include-rwlockh-directly.patch added to " Andrew Morton
2020-02-24 22:04 ` + mm-hotplug-fix-page-online-with-debug_pagealloc-compiled-but-not-enabled.patch " Andrew Morton
2020-02-24 22:13 ` + mm-vma-add-missing-vma-flag-readable-name-for-vm_sync.patch " Andrew Morton
2020-02-24 22:13 ` + mm-vma-make-vma_is_accessible-available-for-general-use.patch " Andrew Morton
2020-02-24 22:13 ` + mm-vma-replace-all-remaining-open-encodings-with-is_vm_hugetlb_page.patch " Andrew Morton
2020-02-24 22:13 ` + mm-vma-replace-all-remaining-open-encodings-with-vma_is_anonymous.patch " Andrew Morton
2020-02-24 22:14 ` + mm-vma-append-unlikely-while-testing-vma-access-permissions.patch " Andrew Morton
2020-02-24 22:30 ` + samples-hw_breakpoint-drop-hw_breakpoint_r-when-reporting-writes.patch " Andrew Morton
2020-02-24 22:31 ` + samples-hw_breakpoint-drop-use-of-kallsyms_lookup_name.patch " Andrew Morton
2020-02-24 22:31 ` + kallsyms-unexport-kallsyms_lookup_name-and-kallsyms_on_each_symbol.patch " Andrew Morton
2020-02-24 22:55 ` + loop-use-worker-per-cgroup-instead-of-kworker.patch " Andrew Morton
2020-02-24 22:55 ` + mm-charge-active-memcg-when-no-mm-is-set.patch " Andrew Morton
2020-02-24 22:55 ` + loop-charge-i-o-to-mem-and-blk-cg.patch " Andrew Morton
2020-02-24 23:33 ` + mm-mempolicy-checking-hugepage-migration-is-supported-by-arch-in-vma_migratable.patch " Andrew Morton
2020-02-24 23:39 ` + checkpatch-fix-minor-typo-and-mixed-spacetab-in-indentation.patch " Andrew Morton
2020-02-24 23:40 ` + checkpatch-fix-multiple-const-types.patch " Andrew Morton
2020-02-24 23:40 ` + checkpatch-add-command-line-option-for-tab-size.patch " Andrew Morton
2020-02-24 23:43 ` + lib-test_bitmap-make-use-of-exp2_in_bits.patch " Andrew Morton
2020-02-24 23:44 ` + ocfs2-remove-useless-err.patch " Andrew Morton
2020-02-25 0:26 ` + arch-kconfig-update-have_reliable_stacktrace-description.patch " Andrew Morton
2020-02-25 0:32 ` + mm-memcg-slab-introduce-mem_cgroup_from_obj.patch " Andrew Morton
2020-02-25 0:47 ` + mm-kmem-cleanup-__memcg_kmem_charge_memcg-arguments.patch " Andrew Morton
2020-02-25 0:48 ` + mm-kmem-cleanup-memcg_kmem_uncharge_memcg-arguments.patch " Andrew Morton
2020-02-25 0:48 ` + mm-kmem-rename-memcg_kmem_uncharge-into-memcg_kmem_uncharge_page.patch " Andrew Morton
2020-02-25 0:48 ` + mm-kmem-switch-to-nr_pages-in-__memcg_kmem_charge_memcg.patch " Andrew Morton
2020-02-25 0:48 ` + mm-memcg-slab-cache-page-number-in-memcg_uncharge_slab.patch " Andrew Morton
2020-02-25 0:48 ` + mm-kmem-rename-__memcg_kmem_uncharge_memcg-to-__memcg_kmem_uncharge.patch " Andrew Morton
2020-02-25 2:29 ` + mm-memcg-slab-introduce-mem_cgroup_from_obj-v2.patch " Andrew Morton
2020-02-25 2:36 ` + ocfs2-add-missing-annotations-for-ocfs2_refcount_cache_lock-and-ocfs2_refcount_cache_unlock.patch " Andrew Morton
2020-02-25 3:53 ` mmotm 2020-02-24-19-53 uploaded Andrew Morton
2020-02-25 6:16 ` mmotm 2020-02-24-19-53 uploaded (init/main.c: initrd*) Randy Dunlap
2020-02-25 6:18 ` Randy Dunlap
2020-02-25 6:21 ` Randy Dunlap
2020-02-25 16:41 ` mmotm 2020-02-24-19-53 uploaded (drivers/platform/x86/intel_pmc_core.c) Randy Dunlap
2020-02-25 17:01 ` mmotm 2020-02-24-19-53 uploaded (objtool warning) Randy Dunlap
2020-02-27 21:52 ` Josh Poimboeuf
2020-02-26 1:06 ` + checkpatch-improve-gerrit-change-id-test.patch added to -mm tree Andrew Morton
2020-02-26 1:55 ` + dma-buf-free-dmabuf-name-in-dma_buf_release.patch " Andrew Morton
2020-02-26 4:29 ` Sumit Semwal
2020-02-26 4:29 ` Sumit Semwal
2020-02-26 9:36 ` Daniel Vetter
2020-02-26 9:36 ` Daniel Vetter
2020-02-27 4:20 ` Andrew Morton
2020-02-27 4:20 ` Andrew Morton
2020-02-27 4:20 ` Andrew Morton
2020-02-26 3:42 ` + lib-rbtree-fix-coding-style-of-assignments.patch " Andrew Morton
2020-02-26 3:56 ` + seq_read-info-message-about-buggy-next-functions.patch " Andrew Morton
2020-03-02 18:20 ` Qian Cai
2020-03-02 19:31 ` Qian Cai
2020-03-02 20:42 ` Andrew Morton
2020-03-03 5:36 ` Vasily Averin
2020-02-26 3:56 ` + pstore_ftrace_seq_next-should-increase-position-index.patch " Andrew Morton
[not found] ` <07f968e6-02cd-de2a-e868-787e4bedd346@virtuozzo.com>
2020-02-27 4:26 ` Andrew Morton
2020-02-26 3:56 ` + gcov_seq_next-should-increase-position-index.patch " Andrew Morton
2020-02-26 3:56 ` + sysvipc_find_ipc-should-increase-position-index.patch " Andrew Morton
2020-02-27 1:19 ` + mm-bring-sparc-pte_index-semantics-inline-with-other-platforms.patch " Andrew Morton
2020-02-27 1:37 ` + mm-vmscan-fix-data-races-at-kswapd_classzone_idx.patch " Andrew Morton
2020-02-27 1:49 ` + fs-epoll-make-nesting-accounting-safe-for-rt-kernel.patch " Andrew Morton
2020-02-27 3:50 ` + lib-optimize-cpumask_local_spread.patch " Andrew Morton
2020-02-27 4:04 ` + mm-debug-add-tests-validating-architecture-page-table-helpers-fix.patch " Andrew Morton
2020-02-27 4:11 ` + gcov-gcc_4_7-replace-zero-length-array-with-flexible-array-member.patch " Andrew Morton
2020-02-27 4:42 ` + mm-debug-add-tests-validating-architecture-page-table-helpers-fix-2.patch " Andrew Morton
2020-02-27 4:42 ` [to-be-updated] mm-debug-add-tests-validating-architecture-page-table-helpers-fix.patch removed from " Andrew Morton
2020-02-27 4:44 ` + huge-tmpfs-try-to-split_huge_page-when-punching-hole.patch added to " Andrew Morton
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