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authorGeorge Spelvin <linux@sciencehorizons.net>2016-06-10 00:22:12 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2016-06-11 14:57:56 -0700
commit703b5faf22fbddf984a361e6555f3a03fdba63d9 (patch)
tree6bcfde71273dc055ba28abedd8305d6a829639f5 /lib
parent8387ff2577eb9ed245df9a39947f66976c6bcd02 (diff)
downloadlinux-stericsson-703b5faf22fbddf984a361e6555f3a03fdba63d9.tar.gz
fs/dcache.c: Save one 32-bit multiply in dcache lookup
Noe that we're mixing in the parent pointer earlier, we don't need to use hash_32() to mix its bits. Instead, we can just take the msbits of the hash value directly. For those applications which use the partial_name_hash(), move the multiply to end_name_hash. Signed-off-by: George Spelvin <linux@sciencehorizons.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib')
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