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authorJens Axboe <jaxboe@fusionio.com>2011-03-01 15:04:39 -0500
committerJens Axboe <jaxboe@fusionio.com>2011-03-01 15:04:39 -0500
commit6fae9c25134baffbeeb20031479e7ff6f6d8eec0 (patch)
treec9ab89992ce5293a43cd455a81dc8a5926a28a5e /net/ipv6/reassembly.c
parentc186794dbb466b45cf40f942f2d09d6d5b4b0e42 (diff)
parentf5412be599602124d2bdd49947b231dd77c0bf99 (diff)
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Merge commit 'v2.6.38-rc6' into for-2.6.39/core
Conflicts: block/cfq-iosched.c Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'net/ipv6/reassembly.c')
-rw-r--r--net/ipv6/reassembly.c36
1 files changed, 16 insertions, 20 deletions
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index 0f27664..07beeb0 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -104,26 +104,22 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev,
unsigned int inet6_hash_frag(__be32 id, const struct in6_addr *saddr,
const struct in6_addr *daddr, u32 rnd)
{
- u32 a, b, c;
-
- a = (__force u32)saddr->s6_addr32[0];
- b = (__force u32)saddr->s6_addr32[1];
- c = (__force u32)saddr->s6_addr32[2];
-
- a += JHASH_GOLDEN_RATIO;
- b += JHASH_GOLDEN_RATIO;
- c += rnd;
- __jhash_mix(a, b, c);
-
- a += (__force u32)saddr->s6_addr32[3];
- b += (__force u32)daddr->s6_addr32[0];
- c += (__force u32)daddr->s6_addr32[1];
- __jhash_mix(a, b, c);
-
- a += (__force u32)daddr->s6_addr32[2];
- b += (__force u32)daddr->s6_addr32[3];
- c += (__force u32)id;
- __jhash_mix(a, b, c);
+ u32 c;
+
+ c = jhash_3words((__force u32)saddr->s6_addr32[0],
+ (__force u32)saddr->s6_addr32[1],
+ (__force u32)saddr->s6_addr32[2],
+ rnd);
+
+ c = jhash_3words((__force u32)saddr->s6_addr32[3],
+ (__force u32)daddr->s6_addr32[0],
+ (__force u32)daddr->s6_addr32[1],
+ c);
+
+ c = jhash_3words((__force u32)daddr->s6_addr32[2],
+ (__force u32)daddr->s6_addr32[3],
+ (__force u32)id,
+ c);
return c & (INETFRAGS_HASHSZ - 1);
}