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mm/swap_state.c: fix the obsolete code comment

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Patch series "Tiny cleanup and improvements about SWAP code".

These are all made during review and from reading the patchset "[PATCH v3
00/13] mm, swap: rework of swap allocator locks" from Kairui.


This patch (of 12):

Since commit 85a1333417 ("mm/swap: use dedicated entry for swap in
folio"), there's a dedicated field in folio for swap entry.  Let's update
the code comment above add_to_swap_cache() accordingly.

Link: https://lkml.kernel.org/r/20250205092721.9395-1-bhe@redhat.com
Link: https://lkml.kernel.org/r/20250205092721.9395-2-bhe@redhat.com
Signed-off-by: Baoquan He <bhe@redhat.com>
Reviewed-by: Kairui Song <kasong@tencent.com>
Cc: Baoquan he <bhe@redhat.com>
Cc: Chris Li <chrisl@kernel.org> (Google)
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Baoquan He 2025-02-05 17:27:10 +08:00 • committed by Andrew Morton
parent 33c9b01ed2
commit 81fe88a946
1 changed files with 1 additions and 1 deletions
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2
mm/swap_state.c
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@ -85,7 +85,7 @@ void *get_shadow_from_swap_cache(swp_entry_t entry)
/*
* add_to_swap_cache resembles filemap_add_folio on swapper_space,
* but sets SwapCache flag and private instead of mapping and index.
* but sets SwapCache flag and 'swap' instead of mapping and index.
*/
int add_to_swap_cache(struct folio *folio, swp_entry_t entry,
gfp_t gfp, void **shadowp)