hugetlb: remove redundant validation in has_same_uncharge_info()

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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>

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This commit is contained in:

Baolin Wang 2021-11-05 13:41:58 -07:00 • committed by Linus Torvalds

parent aa6d2e8cba

commit 0739eb437f

1 changed files with 1 additions and 2 deletions

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mm/hugetlb.c

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