On Fri, Nov 01, 2002 at 07:33:54PM +1100, Rusty Russell wrote:
> On Thu, 31 Oct 2002 21:36:40 +0530
> Ravikiran G Thirumalai <kiran@in.ibm.com> wrote:
>
> > Here's kmalloc_percpu interfaces ported (...mostly rediffed) to
> > 2.5.45. (One last try for 2.6).
>
> IMHO this is a "when we need it" patch. Baby steps...
Agreed. It could be useful if we want to use per-CPU statistics
for things like disk I/O (now in struct gendisk).
>
> > +#define this_cpu_ptr(ptr) per_cpu_ptr(ptr, smp_processor_id())
>
> Probably want a get_cpu_ptr() & put_cpu_ptr() using get_cpu() and put_cpu()
> (and this would become __get_cpu_ptr()).
>
> And probably move them all to linux/percpu.h.
Yes, it needs to sync up with its static twin ;-)
Thanks
Dipankar
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