linux

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Matt Turner a75f5f0f0a alpha: simplify and optimize sched_find_first_bit

Search only the first 100 bits instead of 140, saving a couple
instructions. The resulting code is about 1/3 faster (40K ticks/1000
iterations down to 30K ticks/1000 iterations).

Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: linux-alpha@vger.kernel.org
Acked-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Matt Turner <mattst88@gmail.com>

2010-05-26 00:40:28 +02:00

boot

include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h

2010-03-30 22:02:32 +09:00

include/asm

alpha: simplify and optimize sched_find_first_bit

2010-05-26 00:40:28 +02:00

kernel

Convert alpha to use clocksources instead of arch_gettimeoffset

2010-05-26 00:40:27 +02:00

lib

remove __attribute_used__