Messages in this thread | | | Date | Thu, 28 Jul 2005 18:48:38 +1000 | From | Nick Piggin <> | Subject | Re: Add prefetch switch stack hook in scheduler function |
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Ingo Molnar wrote: > * Nick Piggin <nickpiggin@yahoo.com.au> wrote: > > >>>No, they can be up to 30K apart. See include/asm-ia64/ptrace.h. >>>thread_info is at ~0xda0, depending on the config. The switch_stack >>>can be as high as 0x7bd0 in the kernel stack, depending on why the task >>>is sleeping. >>> >> >>Just a minor point, I agree with David: I'd like it to be called >>prefetch_task(), because some architecture may want to prefetch other >>memory. > > > such as? >
Not sure. thread_info? Maybe next->timestamp or some other fields in next, something in next->mm?
I didn't really have a concrete example, but in the interests of being future proof...
-- SUSE Labs, Novell Inc.
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