Messages in this thread | | | Date | Thu, 3 Jul 2003 19:24:21 -0700 (PDT) | From | Linus Torvalds <> | Subject | Re: [PATCH] kstat_this_cpu in terms of __get_cpu_var and use it |
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On Fri, 4 Jul 2003, Rusty Russell wrote: > > kstat_this_cpu() is defined in terms of per_cpu instead of __get_cpu_var. > This patch changes that, and uses it where appropriate.
This makes some things much slower, since we'll re-compute the cpu number over and over and over again.
This per-cpu'ification has to stop if it just makes code slower.
Linus
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