Merge branch 'net-kmem-cache-create'

Kunwu Chan says:

====================
net: Use KMEM_CACHE instead of kmem_cache_create

As Jiri Pirko suggests,
I'm using a patchset to cleanup the same issues in the 'net' module.
Use the new KMEM_CACHE() macro instead of direct kmem_cache_create
to simplify the creation of SLAB caches.

Some cache names are changed to be the same as struct names.
This change is recorded in the changelog for easy reference.
It's harmless cause it's used in /proc/slabinfo to identify this cache.
---
Changes in v2:
	- Delete a patch as Eric said in https://lore.kernel.org/all/CANn89iLkWvum6wSqSya_K+1eqnFvp=L2WLW=kAYrZTF8Ei4b7g@mail.gmail.com/
	- No code changes,only add Reviewed-by tag
====================
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv4/ipmr.c

@@ -3139,10 +3139,7 @@ int __init ip_mr_init(void)
 {
 	int err;
 
-	mrt_cachep = kmem_cache_create("ip_mrt_cache",
-				       sizeof(struct mfc_cache),
-				       0, SLAB_HWCACHE_ALIGN | SLAB_PANIC,
-				       NULL);
+	mrt_cachep = KMEM_CACHE(mfc_cache, SLAB_HWCACHE_ALIGN | SLAB_PANIC);
 
 	err = register_pernet_subsys(&ipmr_net_ops);
 	if (err)

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;
 

net/ipv6/ip6_fib.c

@@ -2493,10 +2493,8 @@ int __init fib6_init(void)
 {
 	int ret = -ENOMEM;
 
-	fib6_node_kmem = kmem_cache_create("fib6_nodes",
-					   sizeof(struct fib6_node), 0,
-					   SLAB_HWCACHE_ALIGN | SLAB_ACCOUNT,
-					   NULL);
+	fib6_node_kmem = KMEM_CACHE(fib6_node,
+				    SLAB_HWCACHE_ALIGN | SLAB_ACCOUNT);
 	if (!fib6_node_kmem)
 		goto out;
 

net/ipv6/ip6mr.c

@@ -1373,10 +1373,7 @@ int __init ip6_mr_init(void)
 {
 	int err;
 
-	mrt_cachep = kmem_cache_create("ip6_mrt_cache",
-				       sizeof(struct mfc6_cache),
-				       0, SLAB_HWCACHE_ALIGN,
-				       NULL);
+	mrt_cachep = KMEM_CACHE(mfc6_cache, SLAB_HWCACHE_ALIGN);
 	if (!mrt_cachep)
 		return -ENOMEM;
 

net/kcm/kcmsock.c

@@ -1878,15 +1878,11 @@ static int __init kcm_init(void)
 {
 	int err = -ENOMEM;
 
-	kcm_muxp = kmem_cache_create("kcm_mux_cache",
-				     sizeof(struct kcm_mux), 0,
-				     SLAB_HWCACHE_ALIGN, NULL);
+	kcm_muxp = KMEM_CACHE(kcm_mux, SLAB_HWCACHE_ALIGN);
 	if (!kcm_muxp)
 		goto fail;
 
-	kcm_psockp = kmem_cache_create("kcm_psock_cache",
-				       sizeof(struct kcm_psock), 0,
-					SLAB_HWCACHE_ALIGN, NULL);
+	kcm_psockp = KMEM_CACHE(kcm_psock, SLAB_HWCACHE_ALIGN);
 	if (!kcm_psockp)
 		goto fail;