linux-kernel - [PATCH v8 09/23] maple_tree: remove redundant __GFP

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Message-Id: <20250910-slub-percpu-caches-v8-9-ca3099d8352c@suse.cz>
Date: Wed, 10 Sep 2025 10:01:11 +0200
From: Vlastimil Babka <vbabka@...e.cz>
To: Suren Baghdasaryan <surenb@...gle.com>, 
 "Liam R. Howlett" <Liam.Howlett@...cle.com>, 
 Christoph Lameter <cl@...two.org>, David Rientjes <rientjes@...gle.com>
Cc: Roman Gushchin <roman.gushchin@...ux.dev>, 
 Harry Yoo <harry.yoo@...cle.com>, Uladzislau Rezki <urezki@...il.com>, 
 Sidhartha Kumar <sidhartha.kumar@...cle.com>, linux-mm@...ck.org, 
 linux-kernel@...r.kernel.org, rcu@...r.kernel.org, 
 maple-tree@...ts.infradead.org, vbabka@...e.cz, 
 Qianfeng Rong <rongqianfeng@...o.com>, Wei Yang <richard.weiyang@...il.com>, 
 "Matthew Wilcox (Oracle)" <willy@...radead.org>, 
 Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH v8 09/23] maple_tree: remove redundant __GFP_NOWARN

From: Qianfeng Rong <rongqianfeng@...o.com>

Commit 16f5dfbc851b ("gfp: include __GFP_NOWARN in GFP_NOWAIT") made
GFP_NOWAIT implicitly include __GFP_NOWARN.

Therefore, explicit __GFP_NOWARN combined with GFP_NOWAIT (e.g.,
`GFP_NOWAIT | __GFP_NOWARN`) is now redundant.  Let's clean up these
redundant flags across subsystems.

No functional changes.

Link: https://lkml.kernel.org/r/20250804125657.482109-1-rongqianfeng@vivo.com
Signed-off-by: Qianfeng Rong <rongqianfeng@...o.com>
Reviewed-by: Wei Yang <richard.weiyang@...il.com>
Reviewed-by: Liam R. Howlett <Liam.Howlett@...cle.com>
Cc: Matthew Wilcox (Oracle) <willy@...radead.org>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Vlastimil Babka <vbabka@...e.cz>
---
 lib/maple_tree.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index b4ee2d29d7a962ca374467d0533185f2db3d35ff..38fb68c082915211c80f473d313159599fe97e2c 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -1344,11 +1344,11 @@ static void mas_node_count_gfp(struct ma_state *mas, int count, gfp_t gfp)
  * @mas: The maple state
  * @count: The number of nodes needed
  *
- * Note: Uses GFP_NOWAIT | __GFP_NOWARN for gfp flags.
+ * Note: Uses GFP_NOWAIT for gfp flags.
  */
 static void mas_node_count(struct ma_state *mas, int count)
 {
-	return mas_node_count_gfp(mas, count, GFP_NOWAIT | __GFP_NOWARN);
+	return mas_node_count_gfp(mas, count, GFP_NOWAIT);
 }

 /*

-- 
2.51.0