diff mbox series

[5/9] mm: swap: use swap_entries_free() drop last 1 flag in swap_entries_put_nr()

Message ID 20250313210515.9920-6-shikemeng@huaweicloud.com (mailing list archive)
State New
Headers show
Series Minor cleanups and improvements to swap freeing code | expand

Commit Message

Kemeng Shi March 13, 2025, 9:05 p.m. UTC 
Use swap_entries_free() to drop last 1 flag to eliminate the need to set
slot to the intermediate SWAP_HAS_CACHE state.

Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
---
 mm/swapfile.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/mm/swapfile.c b/mm/swapfile.c
index 14b7b37996ff..0ce0ca08594e 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -1508,10 +1508,11 @@  static bool swap_entries_put_nr(struct swap_info_struct *si,
 		unlock_cluster(ci);
 		goto fallback;
 	}
-	for (i = 0; i < nr; i++)
-		WRITE_ONCE(si->swap_map[offset + i], SWAP_HAS_CACHE);
 	if (!has_cache)
 		swap_entries_free(si, ci, entry, nr);
+	else
+		for (i = 0; i < nr; i++)
+			WRITE_ONCE(si->swap_map[offset + i], SWAP_HAS_CACHE);
 	unlock_cluster(ci);
 
 	return has_cache;