linux-kernel - [PATCH v2 1/2] zswap: implement a second chance algorithm for dynamic zswap shrinker (fix)

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Message-ID: <20240730224716.2392068-1-nphamcs@gmail.com>
Date: Tue, 30 Jul 2024 15:47:16 -0700
From: Nhat Pham <nphamcs@...il.com>
To: akpm@...ux-foundation.org
Cc: hannes@...xchg.org,
	yosryahmed@...gle.com,
	shakeel.butt@...ux.dev,
	linux-mm@...ck.org,
	kernel-team@...a.com,
	linux-kernel@...r.kernel.org,
	flintglass@...il.com,
	chengming.zhou@...ux.dev
Subject: [PATCH v2 1/2] zswap: implement a second chance algorithm for dynamic zswap shrinker (fix)

I put the referenced bit documentation in the wrong order. Fix this.

Signed-off-by: Nhat Pham <nphamcs@...il.com>
---
 mm/zswap.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/mm/zswap.c b/mm/zswap.c
index f4e001c9e7e0..f7f6bbb400c4 100644
--- a/mm/zswap.c
+++ b/mm/zswap.c
@@ -184,13 +184,13 @@ static struct shrinker *zswap_shrinker;
  * page within zswap.
  *
  * swpentry - associated swap entry, the offset indexes into the red-black tree
+ * length - the length in bytes of the compressed page data.  Needed during
+ *          decompression. For a same value filled page length is 0, and both
+ *          pool and lru are invalid and must be ignored.
  * referenced - true if the entry recently entered the zswap pool. Unset by the
  *              dynamic shrinker. The entry is only reclaimed by the dynamic
  *              shrinker if referenced is unset. See comments in the shrinker
  *              section for context.
- * length - the length in bytes of the compressed page data.  Needed during
- *          decompression. For a same value filled page length is 0, and both
- *          pool and lru are invalid and must be ignored.
  * pool - the zswap_pool the entry's data is in
  * handle - zpool allocation handle that stores the compressed page data
  * value - value of the same-value filled pages which have same content
-- 
2.43.0