Re: [PATCH] allocate page caches pages in round robin fasion

[Andi Kleen]

On Fri, Aug 13, 2004 at 12:31:41PM -0500, Brent Casavant wrote:
> On Fri, 13 Aug 2004, Jesse Barnes wrote:
> 
> > On Thursday, August 12, 2004 6:14 pm, Andi Kleen wrote:
> > > I don't like this approach using a dynamic counter. I think it would
> > > be better to add a new function that takes the vma and uses the offset
> > > into the inode for static interleaving (anonymous memory would still
> > > use the vma offset). This way you would have a good guarantee that the
> > > interleaving stays interleaved even when the system swaps pages in and
> > > out and you're less likely to get anomalies in the page distribution.
> >
> > That sounds like a good approach, care to show me exactly what you mean
> > with a
> > patch? :)

I put it on my todo list. 

> 
> Make sure to have some sort of offset for the static interleaving that
> is random or semi-random for each inode, as we discussed on linux-mm last

inode number (possible with some bits of dev_t, although that is probably
not needed) 

-Andi
-
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/