Commit 680a5a50 authored Dec 31, 2007 by Eric Dumazet Committed by David S. Miller Jan 28, 2008

[PATCH] use SK_MEM_QUANTUM_SHIFT in __sk_mem_reclaim()



Avoid an expensive divide (as done in commit
18030477e70a826b91608aee40a987bbd368fec6 but lost in commit
23821d2653111d20e75472c8c5003df1a55309a8)

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent d436d686

net/core/sock.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1476,7 +1476,7 @@ void __sk_mem_reclaim(struct sock *sk)
		{
		struct proto *prot = sk->sk_prot;

		atomic_sub(sk->sk_forward_alloc / SK_MEM_QUANTUM,
		atomic_sub(sk->sk_forward_alloc >> SK_MEM_QUANTUM_SHIFT,
		prot->memory_allocated);
		sk->sk_forward_alloc &= SK_MEM_QUANTUM - 1;