Re: [PATCH] ia64: Avoid unnecessary TLB flushes when allocating memory

From: KAMEZAWA Hiroyuki <kamezawa.hiroyu_at_jp.fujitsu.com>
Date: 2007-12-18 12:05:45
On Thu, 13 Dec 2007 15:03:07 +0000

> +       if (mm != active_mm) {
> +               /* Restore region IDs for mm */
> +               if (mm && active_mm) {
> +                       activate_context(mm);
> +               } else {
> +                       flush_tlb_all();
> +                       return;
> +               }
>         }
should be 

preempt_disable();
activate_context(mm);
preempt_enable();

?
(from comments for activate_context()).


Thanks,
-Kame

-
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.html
Received on Tue Dec 18 12:03:20 2007

This archive was generated by hypermail 2.1.8 : 2007-12-18 12:03:35 EST