Re: [PATCH 1/2] mm: thp: relax __GFP_THISNODE for MADV_HUGEPAGE mappings
From: Andrew Morton
Date: Mon Oct 15 2018 - 18:45:04 EST
On Mon, 15 Oct 2018 15:30:17 -0700 (PDT) David Rientjes <rientjes@xxxxxxxxxx> wrote:
> At the risk of beating a dead horse that has already been beaten, what are
> the plans for this patch when the merge window opens?
I'll hold onto it until we've settled on something. Worst case,
Andrea's original is easily backportable.
> It would be rather
> unfortunate for us to start incurring a 14% increase in access latency and
> 40% increase in fault latency.
> Would it be possible to test with my
> patch[*] that does not try reclaim to address the thrashing issue?
And have you been able to test it with the sort of workloads which
Andrea is attempting to address?