| From | Andi Kleen <> | Subject | [PATCH 01/24] net, diet: Reduce netdev name hash table for CONFIG_BASE_SMALL | Date | Mon, 5 May 2014 15:25:50 -0700 |
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From: Andi Kleen <ak@linux.intel.com>
Small systems typically only have two network devices, so use hash shift 2.
Signed-off-by: Andi Kleen <ak@linux.intel.com> --- 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
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