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authorBaolin Wang2021-11-05 13:41:58 -0700
committerLinus Torvalds2021-11-06 13:30:39 -0700
commit0739eb437f3d397eb39b5dc653aa250ee7b453f0 (patch)
tree2e7b944df7c7188066e97f8013a12c13671ee63d /mm/hugetlb.c
parentaa6d2e8cba2dc6f1f3dd39f7a7cc8ac788ad6c1a (diff)
hugetlb: remove redundant validation in has_same_uncharge_info()
The callers of has_same_uncharge_info() has accessed the original file_region and new file_region, and they are impossible to be NULL now. So we can remove the file_region validation in has_same_uncharge_info() to simplify the code. Link: https://lkml.kernel.org/r/97fc68d3f8d34f63c204645e10d7a718997e50b7.1634797639.git.baolin.wang@linux.alibaba.com Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com> Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com> Cc: Michal Hocko <mhocko@kernel.org> 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.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index f9c1ec1180d3..1869ca9f21f3 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -332,8 +332,7 @@ static bool has_same_uncharge_info(struct file_region *rg,
struct file_region *org)
{
#ifdef CONFIG_CGROUP_HUGETLB
- return rg && org &&
- rg->reservation_counter == org->reservation_counter &&
+ return rg->reservation_counter == org->reservation_counter &&
rg->css == org->css;
#else