linux-kernel - [PATCH] khugepaged: Simplify the allocation of slab caches

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Message-Id: <20240618014517.25954-1-lihongfu@kylinos.cn>
Date: Tue, 18 Jun 2024 09:45:17 +0800
From: Hongfu Li <lihongfu@...inos.cn>
To: akpm@...ux-foundation.org
Cc: linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Hongfu Li <lihongfu@...inos.cn>
Subject: [PATCH] khugepaged: Simplify the allocation of slab caches

Use the new KMEM_CACHE() macro instead of direct kmem_cache_create
to simplify the creation of SLAB caches.

Signed-off-by: Hongfu Li <lihongfu@...inos.cn>
---
 mm/khugepaged.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index 774a97e6e2da..f8d08b49420c 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -385,10 +385,7 @@ int hugepage_madvise(struct vm_area_struct *vma,
 
 int __init khugepaged_init(void)
 {
-	mm_slot_cache = kmem_cache_create("khugepaged_mm_slot",
-					  sizeof(struct khugepaged_mm_slot),
-					  __alignof__(struct khugepaged_mm_slot),
-					  0, NULL);
+	mm_slot_cache = KMEM_CACHE(khugepaged_mm_slot, 0);
 	if (!mm_slot_cache)
 		return -ENOMEM;
 
-- 
2.25.1