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/openbmc/linux/include/linux/
H A Dstringhash.h703b5faf Thu Jun 09 23:22:12 CDT 2016 George Spelvin <linux@sciencehorizons.net> 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>
703b5faf Thu Jun 09 23:22:12 CDT 2016 George Spelvin <linux@sciencehorizons.net> 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>
/openbmc/linux/fs/
H A Ddcache.c703b5faf Thu Jun 09 23:22:12 CDT 2016 George Spelvin <linux@sciencehorizons.net> 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>