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 <[email protected]> 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
