From: Dawei Li <set_pte_at@outlook.com>
To: sj@kernel.org, akpm@linux-foundation.org
Cc: damon@lists.linux.dev, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, Dawei Li <set_pte_at@outlook.com>
Subject: [PATCH] mm/damon: Creating kmem cache for damon regions by KMEM_CACHE()
Date: Wed, 14 Sep 2022 00:21:58 +0800 [thread overview]
Message-ID: <TYCP286MB23233778395A18052E578387CA479@TYCP286MB2323.JPNP286.PROD.OUTLOOK.COM> (raw)
Damon regions are dynamic objects which can be created and destroyed
frequently, a dedicated slab cache is created by KMEM_CACHE(), as
suggested by akpm.
Signed-off-by: Dawei Li <set_pte_at@outlook.com>
---
mm/damon/core.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/mm/damon/core.c b/mm/damon/core.c
index 0b1eb945c68a..20163c3c9aa7 100644
--- a/mm/damon/core.c
+++ b/mm/damon/core.c
@@ -1283,8 +1283,7 @@ bool damon_find_biggest_system_ram(unsigned long *start, unsigned long *end)
static int __init damon_init(void)
{
- damon_region_cache = kmem_cache_create("damon_region_cache", sizeof(struct damon_region),
- 0, 0, NULL);
+ damon_region_cache = KMEM_CACHE(damon_region, 0);
if (unlikely(!damon_region_cache)) {
pr_err("creating damon_region_cache fails\n");
return -ENOMEM;
--
2.25.1
next reply other threads:[~2022-09-13 16:22 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-13 16:21 Dawei Li [this message]
2022-09-13 17:16 ` SeongJae Park
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