lkml.org 
[lkml]   [2013]   [Aug]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
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


\
 
 \ /
  Last update: 2013-08-09 12:21    [W:0.246 / U:0.320 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site