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[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>
This commit is contained in:
Eric Dumazet 2007-12-31 15:00:50 -08:00 committed by David S. Miller
parent d436d68630
commit 680a5a5086
1 changed files with 1 additions and 1 deletions
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2
net/core/sock.c
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@ -1476,7 +1476,7 @@ void __sk_mem_reclaim(struct sock *sk)
{ {
struct proto *prot = sk->sk_prot; 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); prot->memory_allocated);
sk->sk_forward_alloc &= SK_MEM_QUANTUM - 1; sk->sk_forward_alloc &= SK_MEM_QUANTUM - 1;