[PATCH 01/24] net, diet: Reduce netdev name hash table for CONFIG_BASE_SMALL
From: Andi Kleen <hidden>
Date: 2014-05-05 22:28:33
Also in:
lkml
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Andi Kleen <redacted> Small systems typically only have two network devices, so use hash shift 2. Signed-off-by: Andi Kleen <redacted> --- include/net/net_namespace.h | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 5f9eb26..d2b8c6c 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h@@ -37,7 +37,11 @@ struct sock; struct netns_ipvs; +#ifdef CONFIG_BASE_SMALL +#define NETDEV_HASHBITS 2 +#else #define NETDEV_HASHBITS 8 +#endif #define NETDEV_HASHENTRIES (1 << NETDEV_HASHBITS) struct net {
--
1.9.0