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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 <nikolay@redhat.com>
Acked-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nikolay Aleksandrov 2014-08-01 12:29:48 +02:00 • committed by David S. Miller
parent 2e404f632f
commit d4ad4d22e7
6 changed files with 35 additions and 9 deletions
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5
net/ipv4/ip_fragment.c
View file

@ -55,6 +55,7 @@
*/
static int sysctl_ipfrag_max_dist __read_mostly = 64;
static const char ip_frag_cache_name[] = "ip4-frags";
struct ipfrag_skb_cb
{
@ -860,5 +861,7 @@ void __init ipfrag_init(void)
ip4_frags.qsize = sizeof(struct ipq);
ip4_frags.match = ip4_frag_match;
ip4_frags.frag_expire = ip_expire;
inet_frags_init(&ip4_frags);
ip4_frags.frags_cache_name = ip_frag_cache_name;
if (inet_frags_init(&ip4_frags))
panic("IP: failed to allocate ip4_frags cache\n");
}