linux-kernel - [PATCH net-next v2 4/5] ipv4: Simplify the allocation of slab caches in ip_rt

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Message-Id: <20240220073646.102033-5-chentao@kylinos.cn>
Date: Tue, 20 Feb 2024 15:36:45 +0800
From: Kunwu Chan <chentao@...inos.cn>
To: davem@...emloft.net,
	dsahern@...nel.org,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com
Cc: netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	jiri@...nulli.us,
	Kunwu Chan <chentao@...inos.cn>,
	Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
Subject: [PATCH net-next v2 4/5] ipv4: Simplify the allocation of slab caches in ip_rt_init

Use the new KMEM_CACHE() macro instead of direct kmem_cache_create
to simplify the creation of SLAB caches.
And change cache name from 'ip_dst_cache' to 'rtable'.

Signed-off-by: Kunwu Chan <chentao@...inos.cn>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
---
 net/ipv4/route.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 16615d107cf0..b512288d6fcc 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -3693,9 +3693,8 @@ int __init ip_rt_init(void)
 		panic("IP: failed to allocate ip_rt_acct\n");
 #endif
 
-	ipv4_dst_ops.kmem_cachep =
-		kmem_cache_create("ip_dst_cache", sizeof(struct rtable), 0,
-				  SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
+	ipv4_dst_ops.kmem_cachep = KMEM_CACHE(rtable,
+					      SLAB_HWCACHE_ALIGN | SLAB_PANIC);
 
 	ipv4_dst_blackhole_ops.kmem_cachep = ipv4_dst_ops.kmem_cachep;
 
-- 
2.39.2