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authorNaoya Horiguchi <n-horiguchi@ah.jp.nec.com>2015-08-07 01:47:04 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2015-08-07 04:39:41 +0300
commit98ed2b0052e68420f1bad6c81e3f2600d25023e7 (patch)
tree6cd4c68bc6b5ff247305b802d402113df3d494ff /mm/migrate.c
parenta209ef09af0dc921311d0cc4a1d4f926321d91b8 (diff)
downloadlinux-98ed2b0052e68420f1bad6c81e3f2600d25023e7.tar.xz
mm/memory-failure: give up error handling for non-tail-refcounted thp
"non anonymous thp" case is still racy with freeing thp, which causes panic due to put_page() for refcount-0 page. It seems that closing up this race might be hard (and/or not worth doing,) so let's give up the error handling for this case. Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Dean Nelson <dnelson@redhat.com> Cc: Tony Luck <tony.luck@intel.com> Cc: "Kirill A. Shutemov" <kirill@shutemov.name> Cc: Hugh Dickins <hughd@google.com> Cc: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/migrate.c')
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