From: David Vrabel <david.vrabel@citrix.com>
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: <mgorman@suse.de>, <akpm@linux-foundation.org>,
<steven@uplinklabs.net>, <boris.ostrovsky@oracle.com>,
David Sutton <kantras@gmail.com>,
"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>,
<linux-kernel@vger.kernel.org>
Subject: Re: [Xen-devel] [PATCH 1/2] Revert "xen: properly account for _PAGE_NUMA during xen pte translations"
Date: Tue, 25 Mar 2014 18:30:40 +0000 [thread overview]
Message-ID: <5331CB50.9000306@citrix.com> (raw)
In-Reply-To: <20140325181939.GA11073@phenom.dumpdata.com>
On 25/03/14 18:19, Konrad Rzeszutek Wilk wrote:
>
> With that in mind I was wondering whether it would be possible to revert
> Mel's 1667918b6483 ("mm: numa: clear numa hinting information on mprotect")
> so there is a bit more time in 3.15 to re-introduce his patch and also a
> proper fix so that Xen guests won't fall flat on their face?
Unfortunately, I think this can only be safely reverted on architectures
with ARCH_WANTS_PROT_NUMA_PROT_NONE (x86) and would cause regressions on
other architectures with only ARCH_SUPPORTS_NUMA_BALANCING (powerpc).
David
prev parent reply other threads:[~2014-03-25 18:30 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CAPCj91+c8kE8dgp7U3N1ti=XOzFrgcg3Z3S9dYK4AG1tEMqsaA@mail.gmail.com>
[not found] ` <5331B94F.9020601@citrix.com>
2014-03-25 18:19 ` [Xen-devel] [PATCH 1/2] Revert "xen: properly account for _PAGE_NUMA during xen pte translations" Konrad Rzeszutek Wilk
2014-03-25 18:30 ` David Vrabel [this message]
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