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inet: frags: use kmem_cache for inet_frag_queue

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Use kmem_cache to allocate/free inet_frag_queue objects since they're
all the same size per inet_frags user and are alloced/freed in high volumes
thus making it a perfect case for kmem_cache.

Signed-off-by: Nikolay Aleksandrov <[email protected]>
Acked-by: Florian Westphal <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Nikolay Aleksandrov 2014-08-01 12:29:48 +02:00 • committed by David S. Miller
commit d4ad4d22e7
6 changed files with 35 additions and 9 deletions
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8
net/ipv6/netfilter/nf_conntrack_reasm.c
View file

@ -50,6 +50,7 @@
#include <linux/module.h>
#include <net/netfilter/ipv6/nf_defrag_ipv6.h>
static const char nf_frags_cache_name[] = "nf-frags";
struct nf_ct_frag6_skb_cb
{
@ -677,12 +678,15 @@ int nf_ct_frag6_init(void)
nf_frags.qsize = sizeof(struct frag_queue);
nf_frags.match = ip6_frag_match;
nf_frags.frag_expire = nf_ct_frag6_expire;
inet_frags_init(&nf_frags);
nf_frags.frags_cache_name = nf_frags_cache_name;
ret = inet_frags_init(&nf_frags);
if (ret)
goto out;
ret = register_pernet_subsys(&nf_ct_net_ops);
if (ret)
inet_frags_fini(&nf_frags);
out:
return ret;
}

7
net/ipv6/reassembly.c
View file

@ -60,6 +60,8 @@
#include <net/inet_frag.h>
#include <net/inet_ecn.h>
static const char ip6_frag_cache_name[] = "ip6-frags";
struct ip6frag_skb_cb
{
struct inet6_skb_parm h;
@ -748,7 +750,10 @@ int __init ipv6_frag_init(void)
ip6_frags.qsize = sizeof(struct frag_queue);
ip6_frags.match = ip6_frag_match;
ip6_frags.frag_expire = ip6_frag_expire;
inet_frags_init(&ip6_frags);
ip6_frags.frags_cache_name = ip6_frag_cache_name;
ret = inet_frags_init(&ip6_frags);
if (ret)
goto err_pernet;
out:
return ret;