Keith Owens wrote: > On Thu, 28 Jul 2005 09:41:18 +0200, > Ingo Molnar <mingo@elte.hu> wrote: >>i'm wondering, is the switch_stack at the same/similar place as >>next->thread_info? If yes then we could simply do a >>prefetch(next->thread_info). > > > 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. -- SUSE Labs, Novell Inc. Send instant messages to your online friends http://au.messenger.yahoo.com - To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.htmlReceived on Thu Jul 28 04:34:38 2005
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