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NeilBrown 1f1e030bf7 [PATCH] knfsd: fix hash function for IP addresses on 64bit little-endian machines. ... The hash.h hash_long function, when used on a 64 bit machine, ignores many of the middle-order bits. (The prime chosen it too bit-sparse). IP addresses for clients of an NFS server are very likely to differ only in the low-order bits. As addresses are stored in network-byte-order, these bits become middle-order bits in a little-endian 64bit 'long', and so do not contribute to the hash. Thus you can have the situation where all clients appear on one hash chain. So, until hash_long is fixed (or maybe forever), us a hash function that works well on IP addresses - xor the bytes together. Thanks to "Iozone" <capps@iozone.org> for identifying this problem. Cc: "Iozone" <capps@iozone.org> Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>		19 years ago
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rose	…
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sunrpc	[PATCH] knfsd: fix hash function for IP addresses on 64bit little-endian machines.	19 years ago
unix	…
wanrouter	…
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compat.c	…
nonet.c	…
socket.c	…
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