diff options
| author | Joonsoo Kim <iamjoonsoo.kim@lge.com> | 2013-09-11 14:21:55 -0700 |
|---|---|---|
| committer | Steve Capper <steve.capper@linaro.org> | 2014-06-12 08:48:14 +0100 |
| commit | f599b1d2955f6c236969adb8e0c621eb1424a33c (patch) | |
| tree | 14c032dd6ff54fa47888e751c1cd12608b891a9a | |
| parent | 01f5b7fdb84ffeaaa20dcc2facfa7d4aeee6e6a4 (diff) | |
| download | linux-f599b1d2955f6c236969adb8e0c621eb1424a33c.tar.gz | |
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>
| -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 1d59a6c0d0f..7fb4b98faa8 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -2601,8 +2601,7 @@ 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; |