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Subject[PATCH v3 3/6] mm/vmscan: activate swap-backed executable folios after first usage
Date
We should activate swap-backed executable folios (e.g. tmpfs) after first
usage so that executable code gets yet better chance to stay in memory.

Suggested-by: Huang, Ying <ying.huang@intel.com>
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Huang, Ying <ying.huang@intel.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
---
mm/vmscan.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 7dcc8cf4526f..82e6fa83c472 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1415,9 +1415,9 @@ static enum page_references folio_check_references(struct folio *folio,
return PAGEREF_ACTIVATE;

/*
- * Activate file-backed executable folios after first usage.
+ * Activate executable folios after first usage.
*/
- if ((vm_flags & VM_EXEC) && !folio_test_swapbacked(folio))
+ if (vm_flags & VM_EXEC)
return PAGEREF_ACTIVATE;

return PAGEREF_KEEP;
--
2.23.0
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