On Tue, 16 Jan 2007, Peter Zijlstra wrote:

> > B. We add a new counter NR_UNRECLAIMABLE that is subtracted
> >    from the available pages in a node. This allows us to
> >    accurately calculate the dirty ratio even if large portions
> >    of the node have been allocated for huge pages or for
> >    slab pages.
> 
> What about mlock'ed pages?

mlocked pages can be dirty and written back right? So for the
dirty ratio calculation they do not play a role. We may need a
separate counter for mlocked pages if they are to be considered
for other decisions in the VM.

> Otherwise it all looks good.
> 
> Acked-by: Peter Zijlstra <[EMAIL PROTECTED]>

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

Reply via email to