linux-kernel - [PATCH v1] mm:slab:use kmem_cache

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Message-Id: <20240822022704.1195439-1-yanzhen@vivo.com>
Date: Thu, 22 Aug 2024 10:27:04 +0800
From: Yan Zhen <yanzhen@...o.com>
To: cl@...ux.com,
	penberg@...nel.org,
	rientjes@...gle.com,
	iamjoonsoo.kim@....com,
	akpm@...ux-foundation.org,
	vbabka@...e.cz
Cc: roman.gushchin@...ux.dev,
	42.hyeyoo@...il.com,
	linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	opensource.kernel@...o.com,
	Yan Zhen <yanzhen@...o.com>
Subject: [PATCH v1] mm:slab:use kmem_cache_free() to free

The kmem_cache_alloc() is typically used to free memory allocated through 
the kernel memory cache (slab allocator). 

Using kmem_cache_free() for deallocation may be more reasonable.

Signed-off-by: Yan Zhen <yanzhen@...o.com>
---
 mm/slab_common.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/slab_common.c b/mm/slab_common.c
index da1b00665..0463df45e 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -491,7 +491,7 @@ kmem_buckets *kmem_buckets_create(const char *name, slab_flags_t flags,
 fail:
 	for (idx = 0; idx < ARRAY_SIZE(kmalloc_caches[KMALLOC_NORMAL]); idx++)
 		kmem_cache_destroy((*b)[idx]);
-	kfree(b);
+	kmem_cache_free(kmem_buckets_cache, b);
 
 	return NULL;
 }
-- 
2.34.1