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mm: swap.h: Remove deleted field from comments

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The comment for struct swap_info_struct.lock incorrectly mentions fields
that have already been deleted from the structure.

Update the comments to accurately reflect the current struct
swap_info_struct.

There is no functional change.

Link: https://lkml.kernel.org/r/20250812-swap-scan-list-v3-2-6d73504d267b@kernel.org
Signed-off-by: Chris Li <chrisl@kernel.org>
Reviewed-by: Kairui Song <kasong@tencent.com>
Acked-by: Nhat Pham <nphamcs@gmail.com>
Reviewed-by: Barry Song <baohua@kernel.org>
Cc: Baoquan He <bhe@redhat.com>
Cc: "Huang, Ying" <ying.huang@linux.alibaba.com>
Cc: Kemeng Shi <shikemeng@huaweicloud.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Chris Li
2025-08-12 00:10:59 -07:00
committed by Andrew Morton
parent 348e474f18
commit 85b8cec150
1 changed files with 2 additions and 5 deletions
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7
include/linux/swap.h
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@@ -320,11 +320,8 @@ struct swap_info_struct {
struct completion comp; /* seldom referenced */
spinlock_t lock; /*
* protect map scan related fields like
* swap_map, lowest_bit, highest_bit,
* inuse_pages, cluster_next,
* cluster_nr, lowest_alloc,
* highest_alloc, free/discard cluster
* list. other fields are only changed
* swap_map, inuse_pages and all cluster
* lists. other fields are only changed
* at swapon/swapoff, so are protected
* by swap_lock. changing flags need
* hold this lock and swap_lock. If