Messages in this thread | | | Date | Mon, 17 Mar 2003 16:05:56 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH] Don't refill pcp lists during SWSUSP. |
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Nigel Cunningham <ncunningham@clear.net.nz> wrote: > > +extern unsigned int suspend_task;
Please do:
#ifdef CONFIG_SOFTWARE_SUSPEND unsigned int suspend_task; #else #define suspend_task 0 #endif
so the compiler can remove the few fast-path instructions which you have added.
> > + suspend_task = current->pid; > +
Zero is a valid PID (the idle task...). It might be clearer to make suspend_task a task_struct*.
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