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From: <xiongwei.song@windriver.com>
To: <vbabka@suse.cz>, <rientjes@google.com>, <cl@linux.com>,
        <penberg@kernel.org>, <iamjoonsoo.kim@lge.com>,
        <akpm@linux-foundation.org>, <roman.gushchin@linux.dev>,
        <42.hyeyoo@gmail.com>
CC: <linux-mm@kvack.org>, <linux-kernel@vger.kernel.org>,
        <chengming.zhou@linux.dev>
Subject: [PATCH 4/4] mm/slub: don't read slab->cpu_partial_slabs directly
Date: Sun, 31 Mar 2024 10:19:26 +0800
Message-ID: <20240331021926.2732572-5-xiongwei.song@windriver.com>
In-Reply-To: <20240331021926.2732572-1-xiongwei.song@windriver.com>
References: <20240331021926.2732572-1-xiongwei.song@windriver.com>
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From: Xiongwei Song <xiongwei.song@windriver.com>

We can use slub_get_cpu_partial() to read cpu_partial_slabs.

Signed-off-by: Xiongwei Song <xiongwei.song@windriver.com>
---
 mm/slub.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/slub.c b/mm/slub.c
index ec91c7435d4e..47ea06d6feae 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2966,7 +2966,7 @@ static void put_cpu_partial(struct kmem_cache *s, struct slab *slab, int drain)
 	oldslab = this_cpu_read(s->cpu_slab->partial);
 
 	if (oldslab) {
-		if (drain && oldslab->slabs >= s->cpu_partial_slabs) {
+		if (drain && oldslab->slabs >= slub_get_cpu_partial(s)) {
 			/*
 			 * Partial array is full. Move the existing set to the
 			 * per node partial list. Postpone the actual unfreezing
-- 
2.27.0