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authorAlice Ryhl <aliceryhl@google.com>2024-11-27 13:53:29 +0000
committerAndrew Morton <akpm@linux-foundation.org>2025-01-13 22:40:30 -0800
commita882dd92de83f7d1634dbde6f1d065d6ac73546e (patch)
treef71e57c1ba104e830ec1e24dc7617a6092bdc316
parent002ebb925e2fcf150b0e346a960060ea4789ff01 (diff)
mm/zswap: add LRU_STOP to comment about dropping the lru lock
This function has been able to return LRU_STOP since commit b49547ade38a ("mm/zswap: stop lru list shrinking when encounter warm region"). To reduce confusion, update the comment to also list LRU_STOP as an option. Link: https://lkml.kernel.org/r/20241127-lru-stop-comment-v1-1-f54a7cba9429@google.com Signed-off-by: Alice Ryhl <aliceryhl@google.com> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Reviewed-by: Chengming Zhou <chengming.zhou@linux.dev> Cc: Alice Ryhl <aliceryhl@google.com> Cc: Nhat Pham <nphamcs@gmail.com> Cc: Yosry Ahmed <yosryahmed@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
-rw-r--r--mm/zswap.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/zswap.c b/mm/zswap.c
index 30f5a27a6862..167ae641379f 100644
--- a/mm/zswap.c
+++ b/mm/zswap.c
@@ -1186,7 +1186,7 @@ static enum lru_status shrink_memcg_cb(struct list_head *item, struct list_lru_o
/*
* It's safe to drop the lock here because we return either
- * LRU_REMOVED_RETRY or LRU_RETRY.
+ * LRU_REMOVED_RETRY, LRU_RETRY or LRU_STOP.
*/
spin_unlock(&l->lock);