diff options
| author | Andrew Morton <akpm@linux-foundation.org> | 2014-01-10 12:40:59 +1100 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2014-01-10 12:40:59 +1100 |
| commit | c63279239a55b3966433275d8daba1c65f7b5ae2 (patch) | |
| tree | 9d9ca67d5ce51d9874da1b3c594a46256b318414 /mm/hugetlb.c | |
| parent | 623d9884b9c80ba9558e5b14741f6428a5dc5d19 (diff) | |
mm/hugetlb.c: simplify PageHeadHuge() and PageHuge()
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>
Diffstat (limited to 'mm/hugetlb.c')
| -rw-r--r-- | mm/hugetlb.c | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 7596e104bffa..1d9125360bf5 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -690,15 +690,11 @@ static void prep_compound_gigantic_page(struct page *page, unsigned long order) */ int PageHuge(struct page *page) { - compound_page_dtor *dtor; - if (!PageCompound(page)) return 0; page = compound_head(page); - dtor = get_compound_page_dtor(page); - - return dtor == free_huge_page; + return get_compound_page_dtor(page) == free_huge_page; } EXPORT_SYMBOL_GPL(PageHuge); @@ -708,14 +704,10 @@ EXPORT_SYMBOL_GPL(PageHuge); */ int PageHeadHuge(struct page *page_head) { - compound_page_dtor *dtor; - if (!PageHead(page_head)) return 0; - dtor = get_compound_page_dtor(page_head); - - return dtor == free_huge_page; + return get_compound_page_dtor(page_head) == free_huge_page; } EXPORT_SYMBOL_GPL(PageHeadHuge); |