Re: deferred rss update instead of sloppy rss

Nick Piggin
2004-11-22T23:14:02Z

Christoph Lameter wrote:
> On Tue, 23 Nov 2004, Nick Piggin wrote:
>
>
>>Deferred rss might be a practical solution, but I'd prefer this if it can
>>be made workable.
>
>
> Both results in an additional field in task_struct that is going to be
> incremented when the page_table_lock is not held. It would be possible
> to switch to looping in procfs later. The main question with this patchset
> is:
>

Sure.

> How and when can we get this get into the kernel?
>

Well it is a good starting platform for the various PTL reduction patches
floating around.

I'd say Andrew could be convinced to stick it in -mm after 2.6.10, but we'd
probably need a clear path to one of the PTL patches before anything would
move into 2.6.