Messages in this thread | | | Date | Tue, 15 Dec 2009 07:24:44 +0100 | From | Eric Dumazet <> | Subject | Re: [this_cpu_xx V7 6/8] Make slub statistics use this_cpu_inc |
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Le 14/12/2009 23:03, Christoph Lameter a écrit : > this_cpu_inc() translates into a single instruction on x86 and does not > need any register. So use it in stat(). We also want to avoid the > calculation of the per cpu kmem_cache_cpu structure pointer. So pass > a kmem_cache pointer instead of a kmem_cache_cpu pointer. >
Hmm, last time I checked, [__]this_cpu_inc were not using "inc" on x86, but the default [__]this_cpu_add((pcp), 1)
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