[PATCH v8 3/6] zswap: make shrinking memcg-aware (fix 2)

From: Nhat Pham <nphamcs@gmail.com>
To: akpm@linux-foundation.org
Cc: hannes@cmpxchg.org, cerasuolodomenico@gmail.com,
	yosryahmed@google.com, sjenning@redhat.com, ddstreet@ieee.org,
	vitaly.wool@konsulko.com, mhocko@kernel.org,
	roman.gushchin@linux.dev, shakeelb@google.com,
	muchun.song@linux.dev, chrisl@kernel.org, linux-mm@kvack.org,
	kernel-team@meta.com, linux-kernel@vger.kernel.org,
	cgroups@vger.kernel.org, linux-doc@vger.kernel.org,
	linux-kselftest@vger.kernel.org, shuah@kernel.org
Subject: [PATCH v8 3/6] zswap: make shrinking memcg-aware (fix 2)
Date: Tue,  5 Dec 2023 19:06:27 -0800	[thread overview]
Message-ID: <20231206030627.4155634-1-nphamcs@gmail.com> (raw)
In-Reply-To: <20231130194023.4102148-4-nphamcs@gmail.com>

Drop the pool's reference at the end of the writeback step. Apply on
top of the first fixlet:

https://lore.kernel.org/linux-mm/20231130203522.GC543908@cmpxchg.org/T/#m6ba8efd2205486b1b333a29f5a890563b45c7a7e

Signed-off-by: Nhat Pham <nphamcs@gmail.com>
---
 mm/zswap.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/zswap.c b/mm/zswap.c
index 7a84c1454988..56d4a8cc461d 100644
--- a/mm/zswap.c
+++ b/mm/zswap.c
@@ -859,6 +859,7 @@ static void shrink_worker(struct work_struct *w)
 resched:
 		cond_resched();
 	} while (!zswap_can_accept());
+	zswap_pool_put(pool);
 }
 
 static struct zswap_pool *zswap_pool_create(char *type, char *compressor)
-- 
2.34.1
