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)) { _
