[PATCH] mm: remove redundant assignment of entry

Wei Yang
2019-07-08T08:28:35Z

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

Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
---
mm/memory.c | 1 -
1 file changed, 1 deletion(-)

diff --git a/mm/memory.c b/mm/memory.c
index ddf20bd0c317..d108bb979a08 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1127,7 +1127,6 @@ 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)) {
--
2.17.1