Revision 48db54ee2f41e8ae2faf330b55db34a9fffb5b3c authored by Minchan Kim on 01 February 2011, 23:52:33 UTC, committed by Linus Torvalds on 03 February 2011, 00:03:18 UTC
If migrate_huge_page by memory-failure fails , it calls put_page in itself
to decrease page reference and caller of migrate_huge_page also calls
putback_lru_pages.  It can do double free of page so it can make page
corruption on page holder.

In addtion, clean of pages on caller is consistent behavior with
migrate_pages by cf608ac19c ("mm: compaction: fix COMPACTPAGEFAILED
counting").

Signed-off-by: Minchan Kim <minchan.kim@gmail.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 parent 57fc4a5
History
File Mode Size
Kconfig -rw-r--r-- 979 bytes
Makefile -rw-r--r-- 268 bytes
acl.c -rw-r--r-- 9.0 KB
acl.h -rw-r--r-- 1.4 KB
cache.c -rw-r--r-- 11.2 KB
cache.h -rw-r--r-- 4.8 KB
fid.c -rw-r--r-- 6.1 KB
fid.h -rw-r--r-- 1.7 KB
v9fs.c -rw-r--r-- 11.3 KB
v9fs.h -rw-r--r-- 6.0 KB
v9fs_vfs.h -rw-r--r-- 2.8 KB
vfs_addr.c -rw-r--r-- 4.8 KB
vfs_dentry.c -rw-r--r-- 2.9 KB
vfs_dir.c -rw-r--r-- 7.0 KB
vfs_file.c -rw-r--r-- 12.7 KB
vfs_inode.c -rw-r--r-- 27.4 KB
vfs_inode_dotl.c -rw-r--r-- 20.2 KB
vfs_super.c -rw-r--r-- 7.1 KB
xattr.c -rw-r--r-- 4.3 KB
xattr.h -rw-r--r-- 1.2 KB
xattr_user.c -rw-r--r-- 2.0 KB

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