+ mm-introduce-memfd_secret-system-call-to-create-secret-memory-areas-fix.patch added to -mm tree

+ mm-introduce-memfd_secret-system-call-to-create-secret-memory-areas-fix.patch added to -mm tree

[akpm]

The patch titled
     Subject: mm-introduce-memfd_secret-system-call-to-create-secret-memory-areas-fix
has been added to the -mm tree.  Its filename is
     mm-introduce-memfd_secret-system-call-to-create-secret-memory-areas-fix.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/mm-introduce-memfd_secret-system-call-to-create-secret-memory-areas-fix.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/mm-introduce-memfd_secret-system-call-to-create-secret-memory-areas-fix.patch

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** 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: Andrew Morton <akpm@linux-foundation.org>
Subject: mm-introduce-memfd_secret-system-call-to-create-secret-memory-areas-fix

suppress Kconfig whine

Cc: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/Kconfig |    1 -
 1 file changed, 1 deletion(-)

--- a/mm/Kconfig~mm-introduce-memfd_secret-system-call-to-create-secret-memory-areas-fix
+++ a/mm/Kconfig
@@ -907,6 +907,5 @@ config IO_MAPPING
 
 config SECRETMEM
 	def_bool ARCH_HAS_SET_DIRECT_MAP && !EMBEDDED
-	select STRICT_DEVMEM
 
 endmenu
_

Patches currently in -mm which might be from akpm@linux-foundation.org are

mm.patch
mm-slub-kunit-add-a-kunit-test-for-slub-debugging-functionality-fix-2.patch
mm-gup-pack-has_pinned-in-mmf_has_pinned-checkpatch-fixes.patch
mm-memcg-optimize-user-context-object-stock-access-checkpatch-fixes.patch
mm-memcg-slab-create-a-new-set-of-kmalloc-cg-n-caches-v5-fix.patch
mm-improve-mprotectrw-efficiency-on-pages-referenced-once-fix.patch
binfmt-remove-in-tree-usage-of-map_executable-fix.patch
mm-mmap-introduce-unlock_range-for-code-cleanup-fix.patch
powerpc-mm-book3s64-update-tlb-flush-routines-to-take-a-page-walk-cache-flush-argument-fix.patch
mm-mremap-use-range-flush-that-does-tlb-and-page-walk-cache-flush-fix.patch
mm-memory_hotplug-disable-memmap_on_memory-when-hugetlb_free_vmemmap-enabled-fix.patch
mm-thp-check-total_mapcount-instead-of-page_mapcount-fix-fix.patch
nommu-remove-__gfp_highmem-in-vmalloc-vzalloc-checkpatch-fixes.patch
mm-madvise-introduce-madv_populate_readwrite-to-prefault-page-tables-checkpatch-fixes.patch
kernelh-split-out-panic-and-oops-helpers-fix.patch
mm-introduce-memfd_secret-system-call-to-create-secret-memory-areas-fix.patch
module-add-printk-formats-to-add-module-build-id-to-stacktraces-fix.patch
kernel-forkc-export-kernel_thread-to-modules.patch

+ mm-introduce-memfd_secret-system-call-to-create-secret-memory-areas-fix.patch added to -mm tree

[akpm]

The patch titled
     Subject: memfd_secret: use unsigned int rather than long as syscall flags type
has been added to the -mm tree.  Its filename is
     mm-introduce-memfd_secret-system-call-to-create-secret-memory-areas-fix.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/mm-introduce-memfd_secret-system-call-to-create-secret-memory-areas-fix.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/mm-introduce-memfd_secret-system-call-to-create-secret-memory-areas-fix.patch

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** 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: Mike Rapoport <rppt@linux.ibm.com>
Subject: memfd_secret: use unsigned int rather than long as syscall flags type

Yuri Norov says:

  If parameter size is the same for native and compat ABIs, we may
  wire a syscall made by compat client to native handler. This is
  true for unsigned int, but not true for unsigned long or pointer.

  That's why I suggest using unsigned int and so avoid creating compat
  entry point.

Use unsigned int as the type of the flags parameter in memfd_secret()
system call.

Link: https://lkml.kernel.org/r/20210331142345.27532-1-rppt@kernel.org
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/secretmem.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/mm/secretmem.c~mm-introduce-memfd_secret-system-call-to-create-secret-memory-areas-fix
+++ a/mm/secretmem.c
@@ -185,7 +185,7 @@ err_free_inode:
 	return file;
 }
 
-SYSCALL_DEFINE1(memfd_secret, unsigned long, flags)
+SYSCALL_DEFINE1(memfd_secret, unsigned int, flags)
 {
 	struct file *file;
 	int fd, err;
_

Patches currently in -mm which might be from rppt@linux.ibm.com are

nds32-flush_dcache_page-use-page_mapping_file-to-avoid-races-with-swapoff.patch
mm-cma-rename-pf_memalloc_nocma-to-pf_memalloc_pin-fix.patch
mmap-make-mlock_future_check-global.patch
riscv-kconfig-make-direct-map-manipulation-options-depend-on-mmu.patch
set_memory-allow-set_direct_map__noflush-for-multiple-pages.patch
set_memory-allow-querying-whether-set_direct_map_-is-actually-enabled.patch
mm-introduce-memfd_secret-system-call-to-create-secret-memory-areas.patch
mm-introduce-memfd_secret-system-call-to-create-secret-memory-areas-fix.patch
pm-hibernate-disable-when-there-are-active-secretmem-users.patch
arch-mm-wire-up-memfd_secret-system-call-where-relevant.patch
arch-mm-wire-up-memfd_secret-system-call-where-relevant-fix.patch
secretmem-test-add-basic-selftest-for-memfd_secret2.patch
secretmem-test-add-basic-selftest-for-memfd_secret2-fix.patch

+ mm-introduce-memfd_secret-system-call-to-create-secret-memory-areas-fix.patch added to -mm tree

[akpm]

The patch titled
     Subject: mm-introduce-memfd_secret-system-call-to-create-secret-memory-areas-fix
has been added to the -mm tree.  Its filename is
     mm-introduce-memfd_secret-system-call-to-create-secret-memory-areas-fix.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/mm-introduce-memfd_secret-system-call-to-create-secret-memory-areas-fix.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/mm-introduce-memfd_secret-system-call-to-create-secret-memory-areas-fix.patch

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** 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: Matthew Wilcox <willy@infradead.org>
Subject: mm-introduce-memfd_secret-system-call-to-create-secret-memory-areas-fix

use find_get_page() in secretmem_fault()

Link: https://lkml.kernel.org/r/20201113135848.GF17076@casper.infradead.org
Cc: Mike Rapoport <rppt@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/secretmem.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/mm/secretmem.c~mm-introduce-memfd_secret-system-call-to-create-secret-memory-areas-fix
+++ a/mm/secretmem.c
@@ -64,7 +64,7 @@ static vm_fault_t secretmem_fault(struct
 	if (((loff_t)vmf->pgoff << PAGE_SHIFT) >= i_size_read(inode))
 		return vmf_error(-EINVAL);
 
-	page = find_get_entry(mapping, offset);
+	page = find_get_page(mapping, offset);
 	if (!page) {
 		page = secretmem_alloc_page(vmf->gfp_mask);
 		if (!page)
_

Patches currently in -mm which might be from willy@infradead.org are

mm-fix-readahead_page_batch-for-retry-entries.patch
mm-fix-madvise-willneed-performance-problem.patch
mm-page-flags-fix-comment.patch
mm-page_alloc-add-__free_pages-documentation.patch
mm-introduce-memfd_secret-system-call-to-create-secret-memory-areas-fix.patch