Re: Hugepages demand paging V1 [3/4]: Overcommit handling

From: Christoph Hellwig
Date: Fri Oct 22 2004 - 06:18:25 EST


On Fri, Oct 22, 2004 at 04:12:59AM -0700, William Lee Irwin III wrote:
> On Thu, Oct 21, 2004 at 09:58:26PM -0700, Christoph Lameter wrote:
> >> Changelog
> >> * overcommit handling
>
> On Fri, Oct 22, 2004 at 12:01:16PM +0100, Christoph Hellwig wrote:
> > overcommit for huge pages sounds like a realy bad idea. Care to explain
> > why you want it?
>
> It's the opposite of what its name implies; it implements strict
> non-overcommit, in the sense that it tries to prevent the sum of
> possible hugetlb allocations arising from handling hugetlb faults from
> exceeding the size of the hugetlb memory pool.

I thought that was the state of the art for hugetlb pages already?
-
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/