diff options
| author | Joonsoo Kim <iamjoonsoo.kim@lge.com> | 2013-09-11 14:21:55 -0700 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-06-12 16:11:24 +0100 |
| commit | fb20654f392b8b5cb50dbecb5955b51be6d6ae62 (patch) | |
| tree | a8c65942b5d9d3270c073a668dec8cda5989c670 | |
| parent | feec9a9161305f030176dc0b52e983f3f8300173 (diff) | |
mm, hugetlb: remove useless check about mapping type
is_vma_resv_set(vma, HPAGE_RESV_OWNER) implys that this mapping is for
private. So we don't need to check whether this mapping is for shared or
not.
This patch is just for clean-up.
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Aneesh Kumar <aneesh.kumar@linux.vnet.ibm.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Reviewed-by: Davidlohr Bueso <davidlohr@hp.com>
Cc: David Gibson <david@gibson.dropbear.id.au>
Cc: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Cc: Hillf Danton <dhillf@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
(cherry picked from commit 5944d0116c773319a48ea6812d1891aa6d0bbbbf)
Signed-off-by: Mark Brown <broonie@linaro.org>
| -rw-r--r-- | mm/hugetlb.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 92a0ce4f8bc5..f0a9e32c75b4 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -2547,8 +2547,7 @@ retry_avoidcopy: * at the time of fork() could consume its reserves on COW instead * of the full address range. */ - if (!(vma->vm_flags & VM_MAYSHARE) && - is_vma_resv_set(vma, HPAGE_RESV_OWNER) && + if (is_vma_resv_set(vma, HPAGE_RESV_OWNER) && old_page != pagecache_page) outside_reserve = 1; |