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Subject[PATCH v2 04/20] mm, hugetlb: remove useless check about mapping type
Date
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>

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index ea1ae0a..c017c52 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -2544,8 +2544,7 @@ 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;

--
1.7.9.5


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