From: Mel Gorman <mgorman@suse.de>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>, Linux-X86 <x86@kernel.org>,
Cyrill Gorcunov <gorcunov@gmail.com>,
Ingo Molnar <mingo@kernel.org>,
Steven Noonan <steven@uplinklabs.net>,
Rik van Riel <riel@redhat.com>,
David Vrabel <david.vrabel@citrix.com>,
Andrew Morton <akpm@linux-foundation.org>,
Peter Zijlstra <peterz@infradead.org>,
Andrea Arcangeli <aarcange@redhat.com>,
Dave Hansen <dave.hansen@intel.com>,
Srikar Dronamraju <srikar@linux.vnet.ibm.com>,
Linux-MM <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [RFC PATCH 0/5] Use an alternative to _PAGE_PROTNONE for _PAGE_NUMA v2
Date: Tue, 8 Apr 2014 20:06:26 +0100 [thread overview]
Message-ID: <20140408190625.GQ7292@suse.de> (raw)
In-Reply-To: <CA+55aFwXuwE8=4h2LrjfjjMhE35pj4W6oOXYFuWkkB65eya=XA@mail.gmail.com>
On Tue, Apr 08, 2014 at 11:55:22AM -0700, Linus Torvalds wrote:
> On Tue, Apr 8, 2014 at 11:51 AM, Mel Gorman <mgorman@suse.de> wrote:
> >
> > I picked a solution. The posted series uses a different bit.
>
> Yes, and I actually like that. I have nothing against your patch
> series. I'm ranting and raving because you then seemed to say "maybe
> we shouldn't pick a solution after all" when you said:
>
> > > If you are ok with leaving _PAGE_NUMA as _PAGE_PROTNONE
>
> which was what I reacted to.
>
Ok, my bad. To be absolutly clear I want to move away from aliasing the
_PAGE_PROTNONE bit. As David reports the series works for him, I'll wait
a bit to see if there are objections or an alternative patch series from
another direction. If not, I'll remove the RFC and repost it through the
x86 maintainers.
--
Mel Gorman
SUSE Labs
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WARNING: multiple messages have this Message-ID (diff)
From: Mel Gorman <mgorman@suse.de>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>, Linux-X86 <x86@kernel.org>,
Cyrill Gorcunov <gorcunov@gmail.com>,
Ingo Molnar <mingo@kernel.org>,
Steven Noonan <steven@uplinklabs.net>,
Rik van Riel <riel@redhat.com>,
David Vrabel <david.vrabel@citrix.com>,
Andrew Morton <akpm@linux-foundation.org>,
Peter Zijlstra <peterz@infradead.org>,
Andrea Arcangeli <aarcange@redhat.com>,
Dave Hansen <dave.hansen@intel.com>,
Srikar Dronamraju <srikar@linux.vnet.ibm.com>,
Linux-MM <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [RFC PATCH 0/5] Use an alternative to _PAGE_PROTNONE for _PAGE_NUMA v2
Date: Tue, 8 Apr 2014 20:06:26 +0100 [thread overview]
Message-ID: <20140408190625.GQ7292@suse.de> (raw)
In-Reply-To: <CA+55aFwXuwE8=4h2LrjfjjMhE35pj4W6oOXYFuWkkB65eya=XA@mail.gmail.com>
On Tue, Apr 08, 2014 at 11:55:22AM -0700, Linus Torvalds wrote:
> On Tue, Apr 8, 2014 at 11:51 AM, Mel Gorman <mgorman@suse.de> wrote:
> >
> > I picked a solution. The posted series uses a different bit.
>
> Yes, and I actually like that. I have nothing against your patch
> series. I'm ranting and raving because you then seemed to say "maybe
> we shouldn't pick a solution after all" when you said:
>
> > > If you are ok with leaving _PAGE_NUMA as _PAGE_PROTNONE
>
> which was what I reacted to.
>
Ok, my bad. To be absolutly clear I want to move away from aliasing the
_PAGE_PROTNONE bit. As David reports the series works for him, I'll wait
a bit to see if there are objections or an alternative patch series from
another direction. If not, I'll remove the RFC and repost it through the
x86 maintainers.
--
Mel Gorman
SUSE Labs
next prev parent reply other threads:[~2014-04-08 19:06 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-08 13:09 [RFC PATCH 0/5] Use an alternative to _PAGE_PROTNONE for _PAGE_NUMA v2 Mel Gorman
2014-04-08 13:09 ` Mel Gorman
2014-04-08 13:09 ` [PATCH 1/5] x86: Require x86-64 for automatic NUMA balancing Mel Gorman
2014-04-08 13:09 ` Mel Gorman
2014-04-08 13:09 ` [PATCH 2/5] x86: Define _PAGE_NUMA by reusing software bits on the PMD and PTE levels Mel Gorman
2014-04-08 13:09 ` Mel Gorman
2014-04-08 13:09 ` [PATCH 3/5] mm: Allow FOLL_NUMA on FOLL_FORCE Mel Gorman
2014-04-08 13:09 ` Mel Gorman
2014-04-08 13:09 ` [PATCH 4/5] mm: use paravirt friendly ops for NUMA hinting ptes Mel Gorman
2014-04-08 13:09 ` Mel Gorman
2014-04-08 17:21 ` David Vrabel
2014-04-08 17:21 ` David Vrabel
2014-04-15 10:27 ` David Vrabel
2014-04-15 10:27 ` David Vrabel
2014-04-15 14:44 ` Mel Gorman
2014-04-15 14:44 ` Mel Gorman
2014-04-08 13:09 ` [PATCH 5/5] x86: Allow Xen to enable NUMA_BALANCING Mel Gorman
2014-04-08 13:09 ` Mel Gorman
2014-04-08 14:40 ` [RFC PATCH 0/5] Use an alternative to _PAGE_PROTNONE for _PAGE_NUMA v2 H. Peter Anvin
2014-04-08 14:40 ` H. Peter Anvin
2014-04-08 15:22 ` Linus Torvalds
2014-04-08 15:22 ` Linus Torvalds
2014-04-08 16:04 ` H. Peter Anvin
2014-04-08 16:04 ` H. Peter Anvin
2014-04-08 16:12 ` Peter Zijlstra
2014-04-08 16:12 ` Peter Zijlstra
2014-04-08 16:46 ` Mel Gorman
2014-04-08 16:46 ` Mel Gorman
2014-04-08 17:01 ` Linus Torvalds
2014-04-08 17:01 ` Linus Torvalds
2014-04-08 18:51 ` Mel Gorman
2014-04-08 18:51 ` Mel Gorman
2014-04-08 18:55 ` Linus Torvalds
2014-04-08 18:55 ` Linus Torvalds
2014-04-08 19:06 ` Mel Gorman [this message]
2014-04-08 19:06 ` Mel Gorman
2014-04-08 19:08 ` Rik van Riel
2014-04-08 19:08 ` Rik van Riel
2014-04-08 17:03 ` Mel Gorman
2014-04-08 17:03 ` Mel Gorman
2014-04-08 17:30 ` Peter Zijlstra
2014-04-08 17:30 ` Peter Zijlstra
2014-04-08 17:41 ` Linus Torvalds
2014-04-08 17:41 ` Linus Torvalds
2014-04-08 18:16 ` Cyrill Gorcunov
2014-04-08 18:16 ` Cyrill Gorcunov
2014-04-09 6:21 ` Ingo Molnar
2014-04-09 6:21 ` Ingo Molnar
2014-04-09 23:34 ` H. Peter Anvin
2014-04-09 23:34 ` H. Peter Anvin
2014-04-10 0:12 ` Linus Torvalds
2014-04-10 0:12 ` Linus Torvalds
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