From: Youngjun Park <her0gyugyu@gmail.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Chris Li <chrisl@kernel.org>, Kairui Song <kasong@tencent.com>,
Kemeng Shi <shikemeng@huaweicloud.com>,
Nhat Pham <nphamcs@gmail.com>, Baoquan He <baoquan.he@linux.dev>,
Barry Song <baohua@kernel.org>,
Youngjun Park <youngjun.park@lge.com>,
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 [thread overview]
Message-ID: <20260728155907.391820-2-youngjun.park@lge.com> (raw)
In-Reply-To: <20260728155907.391820-1-youngjun.park@lge.com>
From: Youngjun Park <her0gyugyu@gmail.com>
From: Youngjun Park <youngjun.park@lge.com>
setup_swap_clusters_info() allocates cluster_info for every swap area,
not only for SSDs.
Signed-off-by: Youngjun Park <youngjun.park@lge.com>
---
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
next prev parent reply other threads:[~2026-07-28 15:59 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-28 15:59 [PATCH 0/2] mm/swap: skip empty clusters in the swapoff scan Youngjun Park
2026-07-28 15:59 ` Youngjun Park [this message]
2026-08-04 9:48 ` [PATCH 1/2] mm/swap: fix stale comment on swap_info_struct::cluster_info Kairui Song
2026-08-04 16:36 ` Youngjun Park
2026-08-04 9:51 ` Barry Song
2026-08-04 16:33 ` Youngjun Park
2026-07-28 15:59 ` [PATCH 2/2] mm/swap: scan by cluster in find_next_to_unuse() Youngjun Park
2026-08-04 16:51 ` Kairui Song
2026-08-05 14:23 ` Youngjun Park
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