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| author | Liam R. Howlett <Liam.Howlett@oracle.com> | 2026-01-30 15:59:34 -0500 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-04-05 13:52:57 -0700 |
| commit | b82f4c811e4d22b308dccf9f7b0a382b0105c190 (patch) | |
| tree | e78e879dc9f6c087a6efa4d190597d1351c7be87 /lib | |
| parent | 2969241fa22e39f0c751e96d2f53b1d9dfac19ba (diff) | |
| download | lwn-b82f4c811e4d22b308dccf9f7b0a382b0105c190.tar.gz lwn-b82f4c811e4d22b308dccf9f7b0a382b0105c190.zip | |
maple_tree: don't pass end to mas_wr_append()
Figure out the end internally. This is necessary for future cleanups.
Link: https://lkml.kernel.org/r/20260130205935.2559335-30-Liam.Howlett@oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Cc: Alice Ryhl <aliceryhl@google.com>
Cc: Andrew Ballance <andrewjballance@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Christian Kujau <lists@nerdbynature.de>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: SeongJae Park <sj@kernel.org>
Cc: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/maple_tree.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/lib/maple_tree.c b/lib/maple_tree.c index fe8424f4657d..46111912b26b 100644 --- a/lib/maple_tree.c +++ b/lib/maple_tree.c @@ -3309,18 +3309,17 @@ static inline unsigned char mas_wr_new_end(struct ma_wr_state *wr_mas) /* * mas_wr_append: Attempt to append * @wr_mas: the maple write state - * @new_end: The end of the node after the modification * * This is currently unsafe in rcu mode since the end of the node may be cached * by readers while the node contents may be updated which could result in * inaccurate information. */ -static inline void mas_wr_append(struct ma_wr_state *wr_mas, - unsigned char new_end) +static inline void mas_wr_append(struct ma_wr_state *wr_mas) { struct ma_state *mas = wr_mas->mas; void __rcu **slots; unsigned char end = mas->end; + unsigned char new_end = mas_wr_new_end(wr_mas); if (new_end < mt_pivots[wr_mas->type]) { wr_mas->pivots[new_end] = wr_mas->pivots[end]; @@ -3513,7 +3512,7 @@ static inline void mas_wr_store_entry(struct ma_wr_state *wr_mas) mas_update_gap(mas); break; case wr_append: - mas_wr_append(wr_mas, new_end); + mas_wr_append(wr_mas); break; case wr_slot_store: mas_wr_slot_store(wr_mas); |