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mm: hugetlbfs: use __compound_tail_refcounted in __get_page_tail too 

Also remove hugetlb.h which isn't needed anymore as PageHeadHuge is
handled in mm.h.

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>
This commit is contained in:
Andrea Arcangeli 2014-01-21 15:48:56 -08:00 committed by Linus Torvalds
parent 44518d2b32
commit 3bfcd13ec0
1 changed files with 1 additions and 2 deletions
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3
mm/swap.c
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@ -31,7 +31,6 @@
#include <linux/memcontrol.h>
#include <linux/gfp.h>
#include <linux/uio.h>
#include <linux/hugetlb.h>
#include "internal.h"
@ -261,7 +260,7 @@ bool __get_page_tail(struct page *page)
struct page *page_head = compound_trans_head(page);
/* Ref to put_compound_page() comment. */
if (PageSlab(page_head) || PageHeadHuge(page_head)) {
if (!__compound_tail_refcounted(page_head)) {
smp_rmb();
if (likely(PageTail(page))) {
/*