From: Andrew Morton <akpm@linux-foundation.org>
To: aarcange@redhat.com, bgeffon@google.com, bobbypowers@gmail.com,
cracauer@cons.org, david@redhat.com, dgilbert@redhat.com,
dplotnikov@virtuozzo.com, gokhale2@llnl.gov, hannes@cmpxchg.org,
hughd@google.com, jglisse@redhat.com, kirill@shutemov.name,
mcfadden8@llnl.gov, mgorman@suse.de, mike.kravetz@oracle.com,
mm-commits@vger.kernel.org, peterx@redhat.com, riel@redhat.com,
rppt@linux.vnet.ibm.com, shli@fb.com, xemul@parallels.com,
xemul@virtuozzo.com
Subject: + userfaultfd-wp-add-the-writeprotect-api-to-userfaultfd-ioctl.patch added to -mm tree
Date: Mon, 09 Mar 2020 20:41:56 -0700 [thread overview]
Message-ID: <20200310034156.qlAt5DtfI%akpm@linux-foundation.org> (raw)
In-Reply-To: <20200305222751.6d781a3f2802d79510941e4e@linux-foundation.org>
The patch titled
Subject: userfaultfd: wp: add the writeprotect API to userfaultfd ioctl
has been added to the -mm tree. Its filename is
userfaultfd-wp-add-the-writeprotect-api-to-userfaultfd-ioctl.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/userfaultfd-wp-add-the-writeprotect-api-to-userfaultfd-ioctl.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/userfaultfd-wp-add-the-writeprotect-api-to-userfaultfd-ioctl.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: Andrea Arcangeli <aarcange@redhat.com>
Subject: userfaultfd: wp: add the writeprotect API to userfaultfd ioctl
Introduce the new uffd-wp APIs for userspace.
Firstly, we'll allow to do UFFDIO_REGISTER with write protection tracking
using the new UFFDIO_REGISTER_MODE_WP flag. Note that this flag can
co-exist with the existing UFFDIO_REGISTER_MODE_MISSING, in which case the
userspace program can not only resolve missing page faults, and at the
same time tracking page data changes along the way.
Secondly, we introduced the new UFFDIO_WRITEPROTECT API to do page level
write protection tracking. Note that we will need to register the memory
region with UFFDIO_REGISTER_MODE_WP before that.
[peterx@redhat.com: write up the commit message]
[peterx@redhat.com: remove useless block, write commit message, check against
VM_MAYWRITE rather than VM_WRITE when register]
Link: http://lkml.kernel.org/r/20200220163112.11409-14-peterx@redhat.com
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Cc: Bobby Powers <bobbypowers@gmail.com>
Cc: Brian Geffon <bgeffon@google.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Denis Plotnikov <dplotnikov@virtuozzo.com>
Cc: "Dr . David Alan Gilbert" <dgilbert@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: "Kirill A . Shutemov" <kirill@shutemov.name>
Cc: Martin Cracauer <cracauer@cons.org>
Cc: Marty McFadden <mcfadden8@llnl.gov>
Cc: Maya Gokhale <gokhale2@llnl.gov>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: Pavel Emelyanov <xemul@parallels.com>
Cc: Pavel Emelyanov <xemul@virtuozzo.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Shaohua Li <shli@fb.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
fs/userfaultfd.c | 82 +++++++++++++++++++++++------
include/uapi/linux/userfaultfd.h | 23 ++++++++
2 files changed, 89 insertions(+), 16 deletions(-)
--- a/fs/userfaultfd.c~userfaultfd-wp-add-the-writeprotect-api-to-userfaultfd-ioctl
+++ a/fs/userfaultfd.c
@@ -314,8 +314,11 @@ static inline bool userfaultfd_must_wait
if (!pmd_present(_pmd))
goto out;
- if (pmd_trans_huge(_pmd))
+ if (pmd_trans_huge(_pmd)) {
+ if (!pmd_write(_pmd) && (reason & VM_UFFD_WP))
+ ret = true;
goto out;
+ }
/*
* the pmd is stable (as in !pmd_trans_unstable) so we can re-read it
@@ -328,6 +331,8 @@ static inline bool userfaultfd_must_wait
*/
if (pte_none(*pte))
ret = true;
+ if (!pte_write(*pte) && (reason & VM_UFFD_WP))
+ ret = true;
pte_unmap(pte);
out:
@@ -1287,10 +1292,13 @@ static __always_inline int validate_rang
return 0;
}
-static inline bool vma_can_userfault(struct vm_area_struct *vma)
+static inline bool vma_can_userfault(struct vm_area_struct *vma,
+ unsigned long vm_flags)
{
- return vma_is_anonymous(vma) || is_vm_hugetlb_page(vma) ||
- vma_is_shmem(vma);
+ /* FIXME: add WP support to hugetlbfs and shmem */
+ return vma_is_anonymous(vma) ||
+ ((is_vm_hugetlb_page(vma) || vma_is_shmem(vma)) &&
+ !(vm_flags & VM_UFFD_WP));
}
static int userfaultfd_register(struct userfaultfd_ctx *ctx,
@@ -1322,15 +1330,8 @@ static int userfaultfd_register(struct u
vm_flags = 0;
if (uffdio_register.mode & UFFDIO_REGISTER_MODE_MISSING)
vm_flags |= VM_UFFD_MISSING;
- if (uffdio_register.mode & UFFDIO_REGISTER_MODE_WP) {
+ if (uffdio_register.mode & UFFDIO_REGISTER_MODE_WP)
vm_flags |= VM_UFFD_WP;
- /*
- * FIXME: remove the below error constraint by
- * implementing the wprotect tracking mode.
- */
- ret = -EINVAL;
- goto out;
- }
ret = validate_range(mm, &uffdio_register.range.start,
uffdio_register.range.len);
@@ -1380,7 +1381,7 @@ static int userfaultfd_register(struct u
/* check not compatible vmas */
ret = -EINVAL;
- if (!vma_can_userfault(cur))
+ if (!vma_can_userfault(cur, vm_flags))
goto out_unlock;
/*
@@ -1408,6 +1409,8 @@ static int userfaultfd_register(struct u
if (end & (vma_hpagesize - 1))
goto out_unlock;
}
+ if ((vm_flags & VM_UFFD_WP) && !(cur->vm_flags & VM_MAYWRITE))
+ goto out_unlock;
/*
* Check that this vma isn't already owned by a
@@ -1437,7 +1440,7 @@ static int userfaultfd_register(struct u
do {
cond_resched();
- BUG_ON(!vma_can_userfault(vma));
+ BUG_ON(!vma_can_userfault(vma, vm_flags));
BUG_ON(vma->vm_userfaultfd_ctx.ctx &&
vma->vm_userfaultfd_ctx.ctx != ctx);
WARN_ON(!(vma->vm_flags & VM_MAYWRITE));
@@ -1575,7 +1578,7 @@ static int userfaultfd_unregister(struct
* provides for more strict behavior to notice
* unregistration errors.
*/
- if (!vma_can_userfault(cur))
+ if (!vma_can_userfault(cur, cur->vm_flags))
goto out_unlock;
found = true;
@@ -1589,7 +1592,7 @@ static int userfaultfd_unregister(struct
do {
cond_resched();
- BUG_ON(!vma_can_userfault(vma));
+ BUG_ON(!vma_can_userfault(vma, vma->vm_flags));
/*
* Nothing to do: this vma is already registered into this
@@ -1802,6 +1805,50 @@ out:
return ret;
}
+static int userfaultfd_writeprotect(struct userfaultfd_ctx *ctx,
+ unsigned long arg)
+{
+ int ret;
+ struct uffdio_writeprotect uffdio_wp;
+ struct uffdio_writeprotect __user *user_uffdio_wp;
+ struct userfaultfd_wake_range range;
+
+ if (READ_ONCE(ctx->mmap_changing))
+ return -EAGAIN;
+
+ user_uffdio_wp = (struct uffdio_writeprotect __user *) arg;
+
+ if (copy_from_user(&uffdio_wp, user_uffdio_wp,
+ sizeof(struct uffdio_writeprotect)))
+ return -EFAULT;
+
+ ret = validate_range(ctx->mm, &uffdio_wp.range.start,
+ uffdio_wp.range.len);
+ if (ret)
+ return ret;
+
+ if (uffdio_wp.mode & ~(UFFDIO_WRITEPROTECT_MODE_DONTWAKE |
+ UFFDIO_WRITEPROTECT_MODE_WP))
+ return -EINVAL;
+ if ((uffdio_wp.mode & UFFDIO_WRITEPROTECT_MODE_WP) &&
+ (uffdio_wp.mode & UFFDIO_WRITEPROTECT_MODE_DONTWAKE))
+ return -EINVAL;
+
+ ret = mwriteprotect_range(ctx->mm, uffdio_wp.range.start,
+ uffdio_wp.range.len, uffdio_wp.mode &
+ UFFDIO_WRITEPROTECT_MODE_WP,
+ &ctx->mmap_changing);
+ if (ret)
+ return ret;
+
+ if (!(uffdio_wp.mode & UFFDIO_WRITEPROTECT_MODE_DONTWAKE)) {
+ range.start = uffdio_wp.range.start;
+ range.len = uffdio_wp.range.len;
+ wake_userfault(ctx, &range);
+ }
+ return ret;
+}
+
static inline unsigned int uffd_ctx_features(__u64 user_features)
{
/*
@@ -1883,6 +1930,9 @@ static long userfaultfd_ioctl(struct fil
case UFFDIO_ZEROPAGE:
ret = userfaultfd_zeropage(ctx, arg);
break;
+ case UFFDIO_WRITEPROTECT:
+ ret = userfaultfd_writeprotect(ctx, arg);
+ break;
}
return ret;
}
--- a/include/uapi/linux/userfaultfd.h~userfaultfd-wp-add-the-writeprotect-api-to-userfaultfd-ioctl
+++ a/include/uapi/linux/userfaultfd.h
@@ -52,6 +52,7 @@
#define _UFFDIO_WAKE (0x02)
#define _UFFDIO_COPY (0x03)
#define _UFFDIO_ZEROPAGE (0x04)
+#define _UFFDIO_WRITEPROTECT (0x06)
#define _UFFDIO_API (0x3F)
/* userfaultfd ioctl ids */
@@ -68,6 +69,8 @@
struct uffdio_copy)
#define UFFDIO_ZEROPAGE _IOWR(UFFDIO, _UFFDIO_ZEROPAGE, \
struct uffdio_zeropage)
+#define UFFDIO_WRITEPROTECT _IOWR(UFFDIO, _UFFDIO_WRITEPROTECT, \
+ struct uffdio_writeprotect)
/* read() structure */
struct uffd_msg {
@@ -232,4 +235,24 @@ struct uffdio_zeropage {
__s64 zeropage;
};
+struct uffdio_writeprotect {
+ struct uffdio_range range;
+/*
+ * UFFDIO_WRITEPROTECT_MODE_WP: set the flag to write protect a range,
+ * unset the flag to undo protection of a range which was previously
+ * write protected.
+ *
+ * UFFDIO_WRITEPROTECT_MODE_DONTWAKE: set the flag to avoid waking up
+ * any wait thread after the operation succeeds.
+ *
+ * NOTE: Write protecting a region (WP=1) is unrelated to page faults,
+ * therefore DONTWAKE flag is meaningless with WP=1. Removing write
+ * protection (WP=0) in response to a page fault wakes the faulting
+ * task unless DONTWAKE is set.
+ */
+#define UFFDIO_WRITEPROTECT_MODE_WP ((__u64)1<<0)
+#define UFFDIO_WRITEPROTECT_MODE_DONTWAKE ((__u64)1<<1)
+ __u64 mode;
+};
+
#endif /* _LINUX_USERFAULTFD_H */
_
Patches currently in -mm which might be from aarcange@redhat.com are
userfaultfd-wp-hook-userfault-handler-to-write-protection-fault.patch
userfaultfd-wp-add-wp-pagetable-tracking-to-x86.patch
userfaultfd-wp-userfaultfd_pte-huge_pmd_wp-helpers.patch
userfaultfd-wp-add-uffdio_copy_mode_wp.patch
userfaultfd-wp-add-the-writeprotect-api-to-userfaultfd-ioctl.patch
next prev parent reply other threads:[~2020-03-10 3:41 UTC|newest]
Thread overview: 200+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-06 6:27 incoming Andrew Morton
2020-03-06 6:28 ` [patch 1/7] mm, numa: fix bad pmd by atomically check for pmd_trans_huge when marking page tables prot_numa Andrew Morton
2020-03-06 6:28 ` [patch 2/7] mm: fix possible PMD dirty bit lost in set_pmd_migration_entry() Andrew Morton
2020-03-06 6:28 ` [patch 3/7] mm: avoid data corruption on CoW fault into PFN-mapped VMA Andrew Morton
2020-03-06 6:28 ` [patch 4/7] fat: fix uninit-memory access for partial initialized inode Andrew Morton
2020-03-06 6:28 ` [patch 5/7] mm/z3fold.c: do not include rwlock.h directly Andrew Morton
2020-03-06 6:28 ` [patch 6/7] mm, hotplug: fix page online with DEBUG_PAGEALLOC compiled but not enabled Andrew Morton
2020-03-06 6:28 ` [patch 7/7] arch/Kconfig: update HAVE_RELIABLE_STACKTRACE description Andrew Morton
2020-03-07 20:49 ` + proc-speed-up-proc-statm.patch added to -mm tree Andrew Morton
2020-03-07 20:58 ` + mm-hotplug-fix-hot-remove-failure-in-sparsememvmemmap-case.patch " Andrew Morton
2020-03-07 21:01 ` + mm-use-fallthrough.patch " Andrew Morton
2020-03-07 21:53 ` + mm-gup-track-foll_pin-pages-fix.patch " Andrew Morton
2020-03-07 22:10 ` + mm-shmem-add-vmstat-for-hugepage-fallback.patch " Andrew Morton
2020-03-07 22:10 ` + mm-thp-track-fallbacks-due-to-failed-memcg-charges-separately.patch " Andrew Morton
2020-03-07 22:39 ` + mmpage_alloccma-conditionally-prefer-cma-pageblocks-for-movable-allocations.patch " Andrew Morton
2020-03-07 23:04 ` + mm-memory_hotplug-drop-the-flags-field-from-struct-mhp_restrictions.patch " Andrew Morton
2020-03-07 23:04 ` + mm-memory_hotplug-rename-mhp_restrictions-to-mhp_params.patch " Andrew Morton
2020-03-07 23:04 ` + x86-mm-thread-pgprot_t-through-init_memory_mapping.patch " Andrew Morton
2020-03-07 23:04 ` + x86-mm-introduce-__set_memory_prot.patch " Andrew Morton
2020-03-07 23:04 ` + powerpc-mm-thread-pgprot_t-through-create_section_mapping.patch " Andrew Morton
2020-03-07 23:04 ` + mm-memory_hotplug-add-pgprot_t-to-mhp_params.patch " Andrew Morton
2020-03-07 23:05 ` + mm-memremap-set-caching-mode-for-pci-p2pdma-memory-to-wc.patch " Andrew Morton
2020-03-07 23:11 ` + kasan-detect-negative-size-in-memory-operation-function-fix.patch " Andrew Morton
2020-03-07 23:25 ` + mm-gup-track-foll_pin-pages-fix-2.patch " Andrew Morton
[not found] ` <202efdc4-2b19-278b-9960-3afb18b8173d@nvidia.com>
[not found] ` <20200311111352.1dff2984@p-imbrenda>
2020-03-12 0:51 ` Andrew Morton
2020-03-07 23:25 ` + mm-gup-writeback-add-callbacks-for-inaccessible-pages.patch " Andrew Morton
2020-03-07 23:33 ` + mm-sparsemem-use-wrapped-macros-instead-of-open-coding.patch " Andrew Morton
2020-03-09 23:34 ` + checkpatch-check-proper-licensing-of-devicetree-bindings.patch " Andrew Morton
2020-03-09 23:37 ` + kcov-cleanup-debug-messages.patch " Andrew Morton
2020-03-09 23:37 ` + kcov-collect-coverage-from-interrupts.patch " Andrew Morton
2020-03-09 23:37 ` + usb-core-kcov-collect-coverage-from-usb-complete-callback.patch " Andrew Morton
2020-03-10 0:49 ` + mm-swap_slotsc-dont-reset-the-cache-slot-after-use.patch " Andrew Morton
2020-03-10 0:51 ` + mm-hotplug-fix-hot-remove-failure-in-sparsememvmemmap-case-fix.patch " Andrew Morton
2020-03-10 0:57 ` + linux-bitsh-add-compile-time-sanity-check-of-genmask-inputs.patch " Andrew Morton
2020-03-10 2:29 ` + mm-page_alloc-use-free_area_empty-instead-of-open-coding.patch " Andrew Morton
2020-03-10 2:50 ` + mm-special-create-generic-fallbacks-for-pte_special-and-pte_mkspecial.patch " Andrew Morton
2020-03-10 2:53 ` + ocfs2-cluster-replace-zero-length-array-with-flexible-array-member.patch " Andrew Morton
2020-03-10 2:54 ` + ocfs2-dlm-replace-zero-length-array-with-flexible-array-member.patch " Andrew Morton
2020-03-10 2:54 ` + ocfs2-ocfs2_fsh-replace-zero-length-array-with-flexible-array-member.patch " Andrew Morton
2020-03-10 2:56 ` + mm-page_allocc-micro-optimisation-remove-unnecessary-branch.patch " Andrew Morton
2020-03-10 3:38 ` + mm-gup-rename-nonblocking-to-locked-where-proper.patch " Andrew Morton
2020-03-10 3:38 ` + mm-gup-fix-__get_user_pages-on-fault-retry-of-hugetlb.patch " Andrew Morton
2020-03-10 3:38 ` + mm-introduce-fault_signal_pending.patch " Andrew Morton
2020-03-10 3:38 ` + x86-mm-use-helper-fault_signal_pending.patch " Andrew Morton
2020-03-10 3:38 ` + arc-mm-use-helper-fault_signal_pending.patch " Andrew Morton
2020-03-10 3:38 ` + arm64-mm-use-helper-fault_signal_pending.patch " Andrew Morton
2020-03-10 3:38 ` + powerpc-mm-use-helper-fault_signal_pending.patch " Andrew Morton
2020-03-10 3:38 ` + sh-mm-use-helper-fault_signal_pending.patch " Andrew Morton
2020-03-10 3:38 ` + mm-return-faster-for-non-fatal-signals-in-user-mode-faults.patch " Andrew Morton
2020-03-10 3:38 ` + userfaultfd-dont-retake-mmap_sem-to-emulate-nopage.patch " Andrew Morton
2020-03-10 3:38 ` + mm-introduce-fault_flag_default.patch " Andrew Morton
2020-03-10 3:39 ` + mm-introduce-fault_flag_interruptible.patch " Andrew Morton
2020-03-10 3:39 ` + mm-allow-vm_fault_retry-for-multiple-times.patch " Andrew Morton
2020-03-10 3:39 ` + mm-gup-allow-vm_fault_retry-for-multiple-times.patch " Andrew Morton
2020-03-10 3:39 ` + mm-gup-allow-to-react-to-fatal-signals.patch " Andrew Morton
2020-03-10 3:39 ` + mm-userfaultfd-honor-fault_flag_killable-in-fault-path.patch " Andrew Morton
2020-03-10 3:41 ` + userfaultfd-wp-add-helper-for-writeprotect-check.patch " Andrew Morton
2020-03-10 3:41 ` + userfaultfd-wp-hook-userfault-handler-to-write-protection-fault.patch " Andrew Morton
2020-03-10 3:41 ` + userfaultfd-wp-add-wp-pagetable-tracking-to-x86.patch " Andrew Morton
2020-03-10 3:41 ` + userfaultfd-wp-userfaultfd_pte-huge_pmd_wp-helpers.patch " Andrew Morton
2020-03-10 3:41 ` + userfaultfd-wp-add-uffdio_copy_mode_wp.patch " Andrew Morton
2020-03-10 3:41 ` + mm-merge-parameters-for-change_protection.patch " Andrew Morton
2020-03-10 3:41 ` + userfaultfd-wp-apply-_page_uffd_wp-bit.patch " Andrew Morton
2020-03-10 3:41 ` + userfaultfd-wp-drop-_page_uffd_wp-properly-when-fork.patch " Andrew Morton
2020-03-10 3:41 ` + userfaultfd-wp-add-pmd_swp_uffd_wp-helpers.patch " Andrew Morton
2020-03-10 3:41 ` + userfaultfd-wp-support-swap-and-page-migration.patch " Andrew Morton
2020-03-10 3:41 ` + khugepaged-skip-collapse-if-uffd-wp-detected.patch " Andrew Morton
2020-03-10 3:41 ` + userfaultfd-wp-support-write-protection-for-userfault-vma-range.patch " Andrew Morton
2020-03-10 3:41 ` Andrew Morton [this message]
2020-03-10 3:41 ` + userfaultfd-wp-enabled-write-protection-in-userfaultfd-api.patch " Andrew Morton
2020-03-10 3:42 ` + userfaultfd-wp-dont-wake-up-when-doing-write-protect.patch " Andrew Morton
2020-03-10 3:42 ` + userfaultfd-wp-uffdio_register_mode_wp-documentation-update.patch " Andrew Morton
2020-03-10 3:42 ` + userfaultfd-wp-declare-_uffdio_writeprotect-conditionally.patch " Andrew Morton
2020-03-10 3:42 ` + userfaultfd-selftests-refactor-statistics.patch " Andrew Morton
2020-03-10 3:42 ` + userfaultfd-selftests-add-write-protect-test.patch " Andrew Morton
2020-03-10 23:59 ` + kmod-make-request_module-return-an-error-when-autoloading-is-disabled.patch " Andrew Morton
2020-03-11 0:19 ` + mm-filemapc-remove-unused-argument-from-shrink_readahead_size_eio.patch " Andrew Morton
2020-03-11 22:08 ` + mm-hugetlb-remove-unnecessary-memory-fetch-in-pageheadhuge.patch " Andrew Morton
2020-03-11 22:10 ` + fs_parse-remove-pr_notice-about-each-validation.patch " Andrew Morton
2020-03-11 23:26 ` + mmpage_alloccma-conditionally-prefer-cma-pageblocks-for-movable-allocations-fix.patch " Andrew Morton
2020-03-11 23:29 ` + mm-hugetlb-optionally-allocate-gigantic-hugepages-using-cma.patch " Andrew Morton
2020-03-11 23:33 ` + virtio-balloon-switch-back-to-oom-handler-for-virtio_balloon_f_deflate_on_oom.patch " Andrew Morton
2020-03-11 23:38 ` + kasan-fix-wstringop-overflow-warning.patch " Andrew Morton
2020-03-11 23:42 ` + mm-fix-tick-timer-stall-during-deferred-page-init.patch " Andrew Morton
2020-03-12 0:00 ` + drivers-base-memory-map-mmop_offline-to-0.patch " Andrew Morton
2020-03-12 0:00 ` + drivers-base-memory-store-mapping-between-mmop_-and-string-in-an-array.patch " Andrew Morton
2020-03-12 0:00 ` + mm-memory_hotplug-convert-memhp_auto_online-to-store-an-online_type.patch " Andrew Morton
2020-03-12 0:00 ` + mm-memory_hotplug-allow-to-specify-a-default-online_type.patch " Andrew Morton
2020-03-12 0:18 ` + mm-debug-add-tests-validating-architecture-page-table-helpers.patch " Andrew Morton
2020-03-12 0:25 ` + mm-swap_slotsc-assignreset-cache-slot-by-value-directly.patch " Andrew Morton
2020-03-12 0:25 ` [alternative-merged] mm-swap_slotsc-dont-reset-the-cache-slot-after-use.patch removed from " Andrew Morton
2020-03-12 0:33 ` + mm-introduce-fault_signal_pending-fix.patch added to " Andrew Morton
2020-03-12 0:34 ` [failures] mm-sparsemem-use-wrapped-macros-instead-of-open-coding.patch removed from " Andrew Morton
2020-03-12 1:04 ` + kasan-detect-negative-size-in-memory-operation-function-fix-2.patch added to " Andrew Morton
2020-03-12 1:08 ` + page-flags-fix-a-crash-at-setpageerrorthp_swap.patch " Andrew Morton
2020-03-12 1:11 ` + mm-page_alloc-simplify-page_is_buddy-for-better-code-readability.patch " Andrew Morton
2020-03-12 1:17 ` + mm-special-create-generic-fallbacks-for-pte_special-and-pte_mkspecial-v3.patch " Andrew Morton
2020-03-12 2:40 ` + memcg-fix-null-pointer-dereference-in-__mem_cgroup_usage_unregister_event-fix.patch " Andrew Morton
2020-03-12 2:58 ` + list-prevent-compiler-reloads-inside-safe-list-iteration.patch " Andrew Morton
2020-03-12 3:14 ` + mm-clarify-a-confusing-comment-of-remap_pfn_range.patch " Andrew Morton
2020-03-12 4:12 ` mmotm 2020-03-11-21-11 uploaded Andrew Morton
2020-03-12 22:29 ` + fs-filesystemsc-downgrade-user-reachable-warn_once-to-pr_warn_once.patch added to -mm tree Andrew Morton
2020-03-12 22:29 ` + docs-admin-guide-document-the-kernelmodprobe-sysctl.patch " Andrew Morton
2020-03-12 22:29 ` + selftests-kmod-test-disabling-module-autoloading.patch " Andrew Morton
2020-03-12 22:35 ` + mm-memcg-fix-corruption-on-64-bit-divisor-in-memoryhigh-throttling.patch " Andrew Morton
2020-03-12 22:35 ` + mm-memcg-throttle-allocators-based-on-ancestral-memoryhigh.patch " Andrew Morton
2020-03-12 22:44 ` + mm-memcg-prevent-memoryhigh-load-store-tearing.patch " Andrew Morton
2020-03-12 22:45 ` + mm-memcg-prevent-memorymax-load-tearing.patch " Andrew Morton
2020-03-12 22:45 ` + mm-memcg-prevent-memorylow-load-store-tearing.patch " Andrew Morton
2020-03-12 22:45 ` + mm-memcg-prevent-memorymin-load-store-tearing.patch " Andrew Morton
2020-03-12 22:45 ` + mm-memcg-prevent-memoryswapmax-load-tearing.patch " Andrew Morton
2020-03-12 22:45 ` + mm-memcg-prevent-mem_cgroup_protected-store-tearing.patch " Andrew Morton
2020-03-12 22:46 ` + mm-memcg-bypass-high-reclaim-iteration-for-cgroup-hierarchy-root.patch " Andrew Morton
2020-03-12 22:47 ` [failures] hugetlbfs-use-i_mmap_rwsem-for-more-pmd-sharing-synchronization.patch removed from " Andrew Morton
2020-03-12 22:47 ` [failures] hugetlbfs-use-i_mmap_rwsem-to-address-page-fault-truncate-race.patch " Andrew Morton
2020-03-12 22:53 ` + mm-sparsec-use-kvmalloc_node-kvfree-to-alloc-free-memmap-for-the-classic-sparse.patch added to " Andrew Morton
2020-03-12 23:41 ` + mm-sparsec-introduce-new-function-fill_subsection_map.patch " Andrew Morton
2020-03-12 23:41 ` + mm-sparsec-introduce-a-new-function-clear_subsection_map.patch " Andrew Morton
2020-03-12 23:41 ` + mm-sparsec-only-use-subsection-map-in-vmemmap-case.patch " Andrew Morton
2020-03-12 23:41 ` + mm-sparsec-add-note-about-only-vmemmap-supporting-sub-section-hotplug.patch " Andrew Morton
2020-03-12 23:41 ` + mm-sparsec-move-subsection_map-related-functions-together.patch " Andrew Morton
2020-03-12 23:43 ` + mm-make-may_enter_fs-bool-in-shrink_page_list.patch " Andrew Morton
2020-03-12 23:44 ` + stackdepot-check-depot_index-before-accessing-the-stack-slab-fix.patch " Andrew Morton
2020-03-13 0:26 ` + mm-do-not-allow-madv_pageout-for-cow-pages.patch " Andrew Morton
2020-03-13 0:32 ` + mm-gup-track-foll_pin-pages-fix-2-fix.patch " Andrew Morton
2020-03-13 3:05 ` + a.patch " Andrew Morton
2020-03-13 3:05 ` + mm-hugetlb-optionally-allocate-gigantic-hugepages-using-cma-fix.patch " Andrew Morton
2020-03-13 3:13 ` + kasan-stackdepot-move-filter_irq_stacks-to-stackdepotc-fix-1.patch " Andrew Morton
2020-03-13 3:13 ` + kasan-stackdepot-move-filter_irq_stacks-to-stackdepotc-fix-2.patch " Andrew Morton
2020-03-13 3:25 ` + selftests-vm-fix-map_hugetlb-length-used-for-testing-read-and-write.patch " Andrew Morton
2020-03-13 4:49 ` mmotm 2020-03-12-21-49 uploaded Andrew Morton
2020-03-18 2:58 ` + proc-inline-vma_stop-into-m_stop.patch added to -mm tree Andrew Morton
2020-03-18 2:58 ` + proc-remove-m_cache_vma.patch " Andrew Morton
2020-03-18 2:58 ` + proc-use-ppos-instead-of-m-version.patch " Andrew Morton
2020-03-18 2:58 ` + seq_file-remove-m-version.patch " Andrew Morton
2020-03-18 2:58 ` + proc-inline-m_next_vma-into-m_next.patch " Andrew Morton
2020-03-18 2:59 ` + mm-kmemleak-silence-kcsan-splats-in-checksum.patch " Andrew Morton
2020-03-18 3:07 ` + mm-swap-make-page_evictable-inline.patch " Andrew Morton
2020-03-18 3:07 ` + mm-swap-use-smp_mb__after_atomic-to-order-lru-bit-set.patch " Andrew Morton
2020-03-18 3:12 ` + mm-mmu_notifier-silence-prove_rcu_list-warnings.patch " Andrew Morton
2020-03-18 3:19 ` + lib-test_lockup-test-module-to-generate-lockups-fix.patch " Andrew Morton
2020-03-18 3:25 ` + ocfs2-roll-back-the-reference-count-modification-of-the-parent-directory-if-an-error-occurs.patch " Andrew Morton
2020-03-18 4:08 ` + hv_balloon-dont-check-for-memhp_auto_online-manually-fix.patch " Andrew Morton
2020-03-18 4:08 ` + drivers-base-memory-rename-mmop_online_keep-to-mmop_online.patch " Andrew Morton
2020-03-18 4:08 ` + drivers-base-memory-map-mmop_offline-to-0.patch " Andrew Morton
2020-03-18 4:08 ` + drivers-base-memory-store-mapping-between-mmop_-and-string-in-an-array.patch " Andrew Morton
2020-03-18 4:08 ` + powernv-memtrace-always-online-added-memory-blocks.patch " Andrew Morton
2020-03-18 4:08 ` + hv_balloon-dont-check-for-memhp_auto_online-manually.patch " Andrew Morton
2020-03-18 4:08 ` + hv_balloon-dont-check-for-memhp_auto_online-manually-fix.patch " Andrew Morton
2020-03-18 4:08 ` + mm-memory_hotplug-unexport-memhp_auto_online.patch " Andrew Morton
2020-03-18 4:08 ` + mm-memory_hotplug-convert-memhp_auto_online-to-store-an-online_type.patch " Andrew Morton
2020-03-18 4:08 ` + mm-memory_hotplug-allow-to-specify-a-default-online_type.patch " Andrew Morton
2020-03-18 4:57 ` + mm-code-cleanup-for-madv_free.patch " Andrew Morton
2020-03-18 5:02 ` + mm-hugetlb-fix-build-failure-with-hugetlb_page-but-not-hugebtlbfs.patch " Andrew Morton
2020-03-18 20:21 ` + mm-compactionc-clean-code-by-removing-unnecessary-assignment.patch " Andrew Morton
2020-03-18 20:31 ` + mm-hugetlb-fix-hugetlb_cma_reserve-if-config_numa-isnt-set.patch " Andrew Morton
2020-03-18 20:39 ` + mm-clarify-a-confusing-comment-for-vm_iomap_memory.patch " Andrew Morton
2020-03-18 21:03 ` + psi-move-pf_memstall-out-of-task-flags.patch " Andrew Morton
2020-03-18 21:08 ` + ocfs2-use-scnprintf-for-avoiding-potential-buffer-overflow.patch " Andrew Morton
2020-03-18 21:12 ` + mm-memcg-make-memoryoomgroup-tolerable-to-task-migration.patch " Andrew Morton
2020-03-18 21:14 ` [to-be-updated] mm-swap-make-page_evictable-inline.patch removed from " Andrew Morton
2020-03-18 21:14 ` [to-be-updated] mm-swap-use-smp_mb__after_atomic-to-order-lru-bit-set.patch " Andrew Morton
2020-03-18 21:19 ` + memremap-remove-stale-comments.patch added to " Andrew Morton
2020-03-18 21:30 ` + hugetlbfs-use-i_mmap_rwsem-for-more-pmd-sharing-synchronization.patch " Andrew Morton
2020-03-18 21:30 ` + hugetlbfs-use-i_mmap_rwsem-to-address-page-fault-truncate-race.patch " Andrew Morton
2020-03-20 23:36 ` + mm-dmapoolc-micro-optimisation-remove-unnecessary-branch.patch " Andrew Morton
2020-03-20 23:48 ` + mm-slub-prevent-kmalloc_node-crashes-and-memory-leaks.patch " Andrew Morton
2020-03-20 23:48 ` + revert-topology-add-support-for-node_to_mem_node-to-determine-the-fallback-node.patch " Andrew Morton
2020-03-20 23:55 ` + mmap-remove-inline-of-vm_unmapped_area.patch " Andrew Morton
2020-03-20 23:55 ` + mm-mmap-add-trace-point-of-vm_unmapped_area.patch " Andrew Morton
2020-03-21 0:23 ` [to-be-updated] kcov-cleanup-debug-messages.patch removed from " Andrew Morton
2020-03-21 0:23 ` [to-be-updated] kcov-collect-coverage-from-interrupts.patch " Andrew Morton
2020-03-21 0:23 ` [to-be-updated] usb-core-kcov-collect-coverage-from-usb-complete-callback.patch " Andrew Morton
2020-03-21 0:27 ` + kcov-cleanup-debug-messages.patch added to " Andrew Morton
2020-03-21 0:27 ` + kcov-fix-potential-use-after-free-in-kcov_remote_start.patch " Andrew Morton
2020-03-21 0:27 ` + kcov-move-t-kcov-assignments-into-kcov_start-stop.patch " Andrew Morton
2020-03-21 0:27 ` + kcov-move-t-kcov_sequence-assignment.patch " Andrew Morton
2020-03-21 0:27 ` + kcov-use-t-kcov_mode-as-enabled-indicator.patch " Andrew Morton
2020-03-21 0:27 ` + kcov-collect-coverage-from-interrupts.patch " Andrew Morton
2020-03-21 0:27 ` + usb-core-kcov-collect-coverage-from-usb-complete-callback.patch " Andrew Morton
2020-03-21 0:40 ` + dynamic_debug-use-address-of-operator-on-section-symbols.patch " Andrew Morton
2020-03-21 0:45 ` + mm-vmscanc-do_try_to_free_pages-clean-code-by-removing-unnecessary-assignment.patch " Andrew Morton
2020-03-21 0:54 ` + mm-compaction-disable-compact_unevictable_allowed-on-rt-v5.patch " Andrew Morton
2020-03-21 1:22 ` + mm-swap-make-page_evictable-inline.patch " Andrew Morton
2020-03-21 1:22 ` + mm-swap-use-smp_mb__after_atomic-to-order-lru-bit-set.patch " Andrew Morton
2020-03-21 2:07 ` + sparcx86-vdso-remove-meaningless-undefining-config_optimize_inlining.patch " Andrew Morton
2020-03-21 2:07 ` + compiler-remove-config_optimize_inlining-entirely.patch " Andrew Morton
2020-03-21 2:13 ` + mm-swap-make-page_evictable-inline-fix.patch " Andrew Morton
2020-03-21 2:23 ` + selftests-kmod-fix-handling-test-numbers-above-9.patch " Andrew Morton
2020-03-21 2:42 ` + mm-hugetlbc-fix-printk-format-warning-for-32-bit-phys_addr_t.patch " Andrew Morton
2020-03-21 2:42 ` + mm-hugetlbc-fix-printk-format-warning-for-32-bit-phys_addr_t-fix.patch " Andrew Morton
2020-03-21 2:48 ` [to-be-updated] mm-sparsec-use-kvmalloc_node-kvfree-to-alloc-free-memmap-for-the-classic-sparse.patch removed from " Andrew Morton
2020-03-21 2:48 ` + mm-sparsec-use-kvmalloc-kvfree-to-alloc-free-memmap-for-the-classic-sparse.patch added to " Andrew Morton
2020-03-21 3:05 ` + mm-memory_hotplug-use-__pfn_to_section-instead-of-open-coding.patch " Andrew Morton
2020-03-21 20:24 ` + mm-swap_statec-use-the-same-way-to-count-page-in-_swap_cache.patch " Andrew Morton
2020-03-21 20:36 ` + change-email-address-for-pali-rohar.patch " Andrew Morton
2020-03-21 20:41 ` + hugetlb_cgroup-fix-illegal-access-to-memory.patch " Andrew Morton
2020-03-21 20:43 ` + scripts-spellingtxt-add-more-spellings-to-spellingtxt.patch " Andrew Morton
2020-03-21 21:14 ` + mm-sparsec-move-subsection_map-related-functions-together-fix.patch " Andrew Morton
2020-03-21 22:17 ` mmotm 2020-03-21-15-17 uploaded Andrew Morton
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