The patch titled
Subject: mm: remove redundant assignment of entry
has been added to the -mm tree. Its filename is
mm-remove-redundant-assignment-of-entry.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-remove-redundant-assignment-of-entry.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-remove-redundant-assignment-of-entry.patch
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------------------------------------------------------
From: Wei Yang <richardw.yang@xxxxxxxxxxxxxxx>
Subject: mm: remove redundant assignment of entry
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@xxxxxxxxxxxxxxx
Signed-off-by: Wei Yang <richardw.yang@xxxxxxxxxxxxxxx>
Acked-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Cc: Will Deacon <will@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memory.c | 1 -
1 file changed, 1 deletion(-)
--- a/mm/memory.c~mm-remove-redundant-assignment-of-entry
+++ a/mm/memory.c
@@ -1093,7 +1093,6 @@ again:
if (unlikely(details))
continue;
- entry = pte_to_swp_entry(ptent);
if (!non_swap_entry(entry))
rss[MM_SWAPENTS]--;
else if (is_migration_entry(entry)) {
_
Patches currently in -mm which might be from richardw.yang@xxxxxxxxxxxxxxx are
mm-remove-redundant-assignment-of-entry.patch
