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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-21 13:02:45 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-21 13:02:45 +0400 |
| commit | e27772b48df91a954a74b1411b57d83b945a58c7 (patch) | |
| tree | ebd4a434d9e3cbd0844109e4469f91daac581b59 /include/net/netns/hash.h | |
| parent | d092633bff3b19faffc480fe9810805e7792a029 (diff) | |
| parent | 14b395e35d1afdd8019d11b92e28041fad591b71 (diff) | |
| download | linux-e27772b48df91a954a74b1411b57d83b945a58c7.tar.xz | |
Merge branch 'linus' into x86/urgent
Diffstat (limited to 'include/net/netns/hash.h')
| -rw-r--r-- | include/net/netns/hash.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/net/netns/hash.h b/include/net/netns/hash.h new file mode 100644 index 000000000000..548d78f2cc47 --- /dev/null +++ b/include/net/netns/hash.h @@ -0,0 +1,21 @@ +#ifndef __NET_NS_HASH_H__ +#define __NET_NS_HASH_H__ + +#include <asm/cache.h> + +struct net; + +static inline unsigned net_hash_mix(struct net *net) +{ +#ifdef CONFIG_NET_NS + /* + * shift this right to eliminate bits, that are + * always zeroed + */ + + return (unsigned)(((unsigned long)net) >> L1_CACHE_SHIFT); +#else + return 0; +#endif +} +#endif |