The patch titled
Subject: mm-distinguish-vmalloc-pages-fix-fix
has been added to the -mm tree. Its filename is
mm-distinguish-vmalloc-pages-fix-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-distinguish-vmalloc-pages-fix-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-distinguish-vmalloc-pages-fix-fix.patch
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------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: mm-distinguish-vmalloc-pages-fix-fix
add comment to page_mapping()
Cc: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx>
Cc: Christoph Lameter <cl@xxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: Jérôme Glisse <jglisse@xxxxxxxxxx>
Cc: "Kirill A . Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>
Cc: Lai Jiangshan <jiangshanlai@xxxxxxxxx>
Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Pekka Enberg <penberg@xxxxxxxxxx>
Cc: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/util.c | 2 ++
1 file changed, 2 insertions(+)
diff -puN mm/util.c~mm-distinguish-vmalloc-pages-fix-fix mm/util.c
--- a/mm/util.c~mm-distinguish-vmalloc-pages-fix-fix
+++ a/mm/util.c
@@ -512,6 +512,8 @@ struct address_space *page_mapping(struc
mapping = page->mapping;
if ((unsigned long)mapping & PAGE_MAPPING_ANON)
return NULL;
+
+ /* Don't trip over a vmalloc page's MAPPING_VMalloc cookie */
if ((unsigned long)mapping < PAGE_SIZE)
return NULL;
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
i-need-old-gcc.patch
arm-arch-arm-include-asm-pageh-needs-personalityh.patch
ocfs2-without-quota-support-try-to-avoid-calling-quota-recovery-checkpatch-fixes.patch
mm.patch
zram-introduce-zram-memory-tracking-fix.patch
zram-introduce-zram-memory-tracking-update-fix.patch
zram-introduce-zram-memory-tracking-update-fix-fix.patch
mm-check-for-sigkill-inside-dup_mmap-loop-fix.patch
mm-vmalloc-pass-proper-vm_start-into-debugobjects-fix.patch
mm-shmem-make-statst_blksize-return-huge-page-size-if-thp-is-on-fix.patch
mm-ksm-move-page_stable_node-from-ksmh-to-ksmc-fix.patch
mm-memcontrolc-add-mem_cgroup_from_task-as-a-local-helper.patch
mm-distinguish-vmalloc-pages-fix-fix.patch
list_lru-prefetch-neighboring-list-entries-before-acquiring-lock-fix.patch
mm-oom-cgroup-aware-oom-killer-fix.patch
mm-oom-cgroup-aware-oom-killer-fix-2.patch
mm-oom-docs-describe-the-cgroup-aware-oom-killer-fix-2-fix.patch
mm-oom-cgroup-aware-oom-killer-fix-fix.patch
proc-simpler-iterations-for-proc-cmdline-fix.patch
kcov-prefault-the-kcov_area-fix.patch
kcov-prefault-the-kcov_area-fix-fix.patch
kcov-prefault-the-kcov_area-fix-fix-fix.patch
linux-next-rejects.patch
linux-next-git-rejects.patch
kernel-forkc-export-kernel_thread-to-modules.patch
slab-leaks3-default-y.patch
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