[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>
git-mirror · Jan 28, 2008 · 680a5a5 · 680a5a5
1 parent d436d68
commit 680a5a5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/net/core/sock.c b/net/core/sock.c
@@ -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;