tree c9669e800bca28d9b905b6e47c206a5ea3fe149b
parent 1ebb7044c9142c67d1d2b04d84010b4810a43fd8
author Hillf Danton <dhillf@gmail.com> 1326236910 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1326241845 -0800

mm/hugetlb.c: avoid bogus counter of surplus huge page

If we have to hand back the newly allocated huge page to page allocator,
for any reason, the changed counter should be recovered.

This affects only s390 at present.

Signed-off-by: Hillf Danton <dhillf@gmail.com>
Reviewed-by: Michal Hocko <mhocko@suse.cz>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>