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| author | Andrea Arcangeli <aarcange@redhat.com> | 2014-01-21 15:48:51 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-21 16:19:43 -0800 |
| commit | ebf360f9bb957f68e19e88f5067c015997dc26a6 (patch) | |
| tree | d8727be798034e9b045d28cab2f079386ce0d5f9 /crypto/ghash-generic.c | |
| parent | a0368d4e48fc9ad65a66f6819a801f3f542b4f0f (diff) | |
| download | op-kernel-dev-ebf360f9bb957f68e19e88f5067c015997dc26a6.zip op-kernel-dev-ebf360f9bb957f68e19e88f5067c015997dc26a6.tar.gz | |
mm: hugetlbfs: move the put/get_page slab and hugetlbfs optimization in a faster path
We don't actually need a reference on the head page in the slab and
hugetlbfs paths, as long as we add a smp_rmb() which should be faster
than get_page_unless_zero.
[akpm@linux-foundation.org: fix typo in comment]
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Cc: Khalid Aziz <khalid.aziz@oracle.com>
Cc: Pravin Shelar <pshelar@nicira.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Ben Hutchings <bhutchings@solarflare.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Johannes Weiner <jweiner@redhat.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Rik van Riel <riel@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'crypto/ghash-generic.c')
0 files changed, 0 insertions, 0 deletions
