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mm: remove redundant assignment of entry

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Since ptent will not be changed after previous assignment of entry, it is
not necessary to do the assignment again.

Link: http://lkml.kernel.org/r/20190708082740.21111-1-richardw.yang@linux.intel.com
Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
Acked-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Will Deacon <will@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Wei Yang 2019-09-23 15:35:13 -07:00 committed by Linus Torvalds
parent 1edc97694d
commit 9da99f20ec
1 changed files with 0 additions and 1 deletions
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mm/memory.c
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@ -1093,7 +1093,6 @@ static unsigned long zap_pte_range(struct mmu_gather *tlb,
if (unlikely(details))
continue;
entry = pte_to_swp_entry(ptent);
if (!non_swap_entry(entry))
rss[MM_SWAPENTS]--;
else if (is_migration_entry(entry)) {