Re: [PATCH/RFC] A method for clearing out page cache

From: Andrew Morton
Date: Tue Feb 22 2005 - 13:48:41 EST


Paul Jackson <pj@xxxxxxx> wrote:
>
> As Martin wrote, when he submitted this patch:
> > The motivation for this patch is for setting up High Performance
> > Computing jobs, where initial memory placement is very important to
> > overall performance.
>
> Any left over cache is wrong, for this situation.

So... Cannot the applicaiton remove all its pagecache with posix_fadvise()
prior to exitting?
-
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/