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| author | Joonsoo Kim | 2013-09-11 23:21:55 +0200 |
|---|---|---|
| committer | Linus Torvalds | 2013-09-12 00:57:44 +0200 |
| commit | 5944d0116c773319a48ea6812d1891aa6d0bbbbf (patch) | |
| tree | 08f092990ce2e7fda1c0f9974a899822ddfe1d5e /mm/hugetlb.c | |
| parent | mm, hugetlb: fix subpool accounting handling (diff) | |
| download | kernel-qcow2-linux-5944d0116c773319a48ea6812d1891aa6d0bbbbf.tar.gz kernel-qcow2-linux-5944d0116c773319a48ea6812d1891aa6d0bbbbf.tar.xz kernel-qcow2-linux-5944d0116c773319a48ea6812d1891aa6d0bbbbf.zip | |
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>
Diffstat (limited to 'mm/hugetlb.c')
| -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 dec5772c8c5c..f6347ec4fd0a 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -2564,8 +2564,7 @@ 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; |