https://github.com/torvalds/linux
Revision 4fad7fb6b0279a85e16e6a63e0f1f7d98cedddf1 authored by David Rientjes on 07 April 2017, 23:04:54 UTC, committed by Linus Torvalds on 08 April 2017, 07:47:48 UTC
Setting thp defrag mode of "defer+madvise" actually sets "defer" in the
kernel due to the name similarity and the out-of-order way the string is
checked in defrag_store().

Check the string in the correct order so that
TRANSPARENT_HUGEPAGE_DEFRAG_KSWAPD_OR_MADV_FLAG is set appropriately for
"defer+madvise".

Fixes: 21440d7eb904 ("mm, thp: add new defer+madvise defrag option")
Link: http://lkml.kernel.org/r/alpine.DEB.2.10.1704051814420.137626@chino.kir.corp.google.com
Signed-off-by: David Rientjes <rientjes@google.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 parent 5402e97
History
Tip revision: 4fad7fb6b0279a85e16e6a63e0f1f7d98cedddf1 authored by David Rientjes on 07 April 2017, 23:04:54 UTC
mm, thp: fix setting of defer+madvise thp defrag mode
Tip revision: 4fad7fb
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