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| author | Liam R. Howlett <Liam.Howlett@oracle.com> | 2026-01-30 15:59:13 -0500 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-04-05 13:52:54 -0700 |
| commit | 368015952767753abdf13e62b31e58b8107fc916 (patch) | |
| tree | 425cd20b04b54bdfaf7d7f063749ae7485dcbd3c /lib | |
| parent | 41bcc348f23feacb2b6c16dd0b7aa7d024ce93cc (diff) | |
| download | lwn-368015952767753abdf13e62b31e58b8107fc916.tar.gz lwn-368015952767753abdf13e62b31e58b8107fc916.zip | |
maple_tree: don't pass through height in mas_wr_spanning_store
Height is not used locally in the function, so call the height argument
closer to where it is passed in the next level.
Link: https://lkml.kernel.org/r/20260130205935.2559335-9-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 | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/lib/maple_tree.c b/lib/maple_tree.c index afa39bbd687c..91d3fb7ac39c 100644 --- a/lib/maple_tree.c +++ b/lib/maple_tree.c @@ -2750,10 +2750,10 @@ static void mas_spanning_rebalance(struct ma_state *mas, static noinline void mas_wr_spanning_rebalance(struct ma_state *mas, - struct maple_subtree_state *mast, unsigned char height, - struct ma_wr_state *wr_mas) + struct maple_subtree_state *mast, struct ma_wr_state *wr_mas) { struct maple_big_node b_node; + unsigned char height; MA_STATE(l_mas, mas->tree, mas->index, mas->index); MA_STATE(r_mas, mas->tree, mas->index, mas->last); MA_STATE(m_mas, mas->tree, mas->index, mas->index); @@ -2788,6 +2788,7 @@ static noinline void mas_wr_spanning_rebalance(struct ma_state *mas, unlikely(mast->bn->b_end <= mt_min_slots[mast->bn->type])) mast_spanning_rebalance(mast); + height = mas_mt_height(mas) + 1; mas_spanning_rebalance_loop(mas, mast, height); } /* @@ -3448,7 +3449,6 @@ static void mas_wr_spanning_store(struct ma_wr_state *wr_mas) { struct maple_subtree_state mast; struct ma_state *mas; - unsigned char height; /* Left and Right side of spanning store */ MA_STATE(l_mas, NULL, 0, 0); @@ -3476,7 +3476,6 @@ static void mas_wr_spanning_store(struct ma_wr_state *wr_mas) * Node rebalancing may occur due to this store, so there may be three new * entries per level plus a new root. */ - height = mas_mt_height(mas); /* * Set up right side. Need to get to the next offset after the spanning @@ -3509,7 +3508,7 @@ static void mas_wr_spanning_store(struct ma_wr_state *wr_mas) l_mas = *mas; mast.orig_l = &l_mas; mast.orig_r = &r_mas; - mas_wr_spanning_rebalance(mas, &mast, height + 1, wr_mas); + mas_wr_spanning_rebalance(mas, &mast, wr_mas); } /* |