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Tue, 28 Jul 2026 08:59:17 -0700 (PDT) From: Youngjun Park X-Google-Original-From: Youngjun Park To: Andrew Morton Cc: Chris Li , Kairui Song , Kemeng Shi , Nhat Pham , Baoquan He , Barry Song , Youngjun Park , her0gyugyu@gmail.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] mm/swap: fix stale comment on swap_info_struct::cluster_info Date: Wed, 29 Jul 2026 00:59:06 +0900 Message-ID: <20260728155907.391820-2-youngjun.park@lge.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20260728155907.391820-1-youngjun.park@lge.com> References: <20260728155907.391820-1-youngjun.park@lge.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 0DD81100002 X-Stat-Signature: odn3opgnbs48yeeirfnyxim37itrk9ep X-Rspam-User: X-Rspamd-Server: rspam02 X-HE-Tag: 1785254358-928762 X-HE-Meta: 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 e/0ym+/o jW3tzIURag6MY2K6Y0nCNACQrS9qvObFK0miRUPttyCh5js7ddsmjN0QNT/LZZgZpY5Rg1K7GX8XtMP2xDmhNfS9iY8xyfcSgDgwfNt/Q9UmWMmE/EjD9x/o9MuqMovrhO4jMkeSz8MFLr2WWh3C6Hh+CB1+HesMbhU7rF2Uo6yIgl/Mho/O0dRYoH/lC97mdwlwcdZ5yebb0ZjWHVebOxLqaI0qnkK2evdhPi1v/GbLNJoZ3HxwruebpWh2QxbbJHUJ2rvLgTrmEGwW2Iqq07yaKZ990SsyJo/1i39EDOro0DQfOhTCrNwwyCeYfTw0G5W9WQIlkoXc00UtYH6fIUwdIperSYH7uDM0W3OgowZkLcCnqBIFNvPXF7HEeatEd4IHuJ8OMmyOwPTsoKg/jHE4C5cA2KCsdvB3BmVl3qK4+zyCddajahw3LicQjsKBM8KNR Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: Youngjun Park From: Youngjun Park setup_swap_clusters_info() allocates cluster_info for every swap area, not only for SSDs. Signed-off-by: Youngjun Park --- include/linux/swap.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/swap.h b/include/linux/swap.h index 2cb1d29307c5..e12c73891b48 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -246,7 +246,7 @@ struct swap_info_struct { struct plist_node list; /* entry in swap_active_head */ signed char type; /* strange name for an index */ unsigned int max; /* size of this swap device */ - struct swap_cluster_info *cluster_info; /* cluster info. Only for SSD */ + struct swap_cluster_info *cluster_info; /* one per cluster, on every device */ struct list_head free_clusters; /* free clusters list */ struct list_head full_clusters; /* full clusters list */ struct list_head nonfull_clusters[SWAP_NR_ORDERS]; -- 2.48.1