diff options
| author | David Woodhouse <David.Woodhouse@intel.com> | 2008-07-25 10:40:14 -0400 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2008-07-25 10:40:14 -0400 |
| commit | ff877ea80efa2015b6263766f78ee42c2a1b32f9 (patch) | |
| tree | 85205005c611ab774702148558321c6fb92f1ccd /include/net/netns/hash.h | |
| parent | 30821fee4f0cb3e6d241d9f7ddc37742212e3eb7 (diff) | |
| parent | d37e6bf68fc1eb34a4ad21d9ae8890ed37ea80e7 (diff) | |
Merge branch 'linux-next' of git://git.infradead.org/~dedekind/ubi-2.6
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 00000000000..548d78f2cc4 --- /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 |