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| author | Andrea Arcangeli <aarcange@redhat.com> | 2011-11-02 13:37:25 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-11-11 09:36:47 -0800 |
| commit | 7a093bf2f9356230afccb4b79091787feb5aed97 (patch) | |
| tree | b5cedbe1592a2df1c2effc9d21d48db7d523deea /lib/genalloc.c | |
| parent | 2429d1c2f20466effdc70ced613f591f8675059f (diff) | |
s390: gup_huge_pmd() support THP tail recounting
commit 220a2eb228d032acde60e9fd044ca802706ff583 upstream.
Up to this point the code assumed old refcounting for hugepages (pre-thp).
This updates the code directly to the thp mapcount tail page refcounting.
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Hugh Dickins <hughd@google.com>
Cc: Johannes Weiner <jweiner@redhat.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: David Gibson <david@gibson.dropbear.id.au>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'lib/genalloc.c')
0 files changed, 0 insertions, 0 deletions