Re: quicklists confuse meminfo

[Bart Van Assche]

On Tue, Mar 11, 2008 at 5:07 AM, Nick Piggin <nickpiggin@xxxxxxxxxxxx> wrote:
>  [ ... ]
>
>  This is insane. We add more and more of this NUMA and cpuset and anti-frag
>  and page zeroing logic to the page allocator, and then decide that we
>  don't actually need to obey any of those rules when we're running lat_proc.
>
>  You will never be able to make the page allocator faster than a single list
>  of pages. The reason is because we actually *want* some of these checks and
>  heuristics in the page allocator.
>
>  And I doubt a list of zeroed pages is the right approach. That's just
>  adding more complexity for lat_proc AFAIKS.

Is anyone currently working on this
(http://bugzilla.kernel.org/show_bug.cgi?id=9991) ? I think this
should either be fixed or documented as a known issue.

Bart.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/