From: "Kirill A. Shutemov" <kirill@shutemov.name>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Sasha Levin <sasha.levin@oracle.com>,
Mel Gorman <mgorman@suse.de>, Dave Jones <davej@redhat.com>,
Hugh Dickins <hughd@google.com>,
Al Viro <viro@zeniv.linux.org.uk>, Rik van Riel <riel@redhat.com>,
Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Aneesh Kumar <aneesh.kumar@linux.vnet.ibm.com>,
Michel Lespinasse <walken@google.com>,
Kirill A Shutemov <kirill.shutemov@linux.intel.com>,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 4/4] mm: numa: Do not mark PTEs pte_numa when splitting huge pages
Date: Thu, 2 Oct 2014 22:07:34 +0300 [thread overview]
Message-ID: <20141002190734.GA15671@node.dhcp.inet.fi> (raw)
In-Reply-To: <CA+55aFwybOYtuOn43idiikVDPfBO7pWb4vLjhcM0dYUxTx7odA@mail.gmail.com>
On Thu, Oct 02, 2014 at 12:03:58PM -0700, Linus Torvalds wrote:
> On Thu, Oct 2, 2014 at 11:58 AM, Sasha Levin <sasha.levin@oracle.com> wrote:
> >
> > You've also mentioned that while I can tell you if nothing dies, I can't
> > really tell you if everything is working well. Is there a reasonable way
> > to easily say if NUMA is working properly? Even something that would just
> > tell me "your NUMA balancing seems to be sane" would be good.
>
> So not having a NUMA machine (and not really wanting one), I can't
> really test things like the migration even *working*.
I believe Sasha uses fakenuma in his KVM for that.
--
Kirill A. Shutemov
next prev parent reply other threads:[~2014-10-02 19:08 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-02 13:29 [PATCH 0/4] NUMA balancing related fixlets Mel Gorman
2014-10-02 13:29 ` [PATCH 1/4] mm: remove misleading ARCH_USES_NUMA_PROT_NONE (from Andrew's tree) Mel Gorman
2014-10-02 13:29 ` [PATCH 2/4] mm: migrate: Close race between migration completion and mprotect Mel Gorman
2014-10-02 15:48 ` Rik van Riel
2014-10-02 16:41 ` Linus Torvalds
2014-10-02 13:29 ` [PATCH 3/4] mm: mempolicy: Skip inaccessible VMAs when setting MPOL_MF_LAZY Mel Gorman
2014-10-02 15:51 ` Rik van Riel
2014-10-02 13:29 ` [PATCH 4/4] mm: numa: Do not mark PTEs pte_numa when splitting huge pages Mel Gorman
2014-10-02 15:18 ` Kirill A. Shutemov
2014-10-02 16:19 ` Rik van Riel
2014-10-02 16:36 ` Linus Torvalds
2014-10-02 18:58 ` Sasha Levin
2014-10-02 19:03 ` Linus Torvalds
2014-10-02 19:07 ` Kirill A. Shutemov [this message]
2014-10-02 19:12 ` Sasha Levin
2014-10-02 19:26 ` Linus Torvalds
2014-10-02 19:28 ` Rik van Riel
2014-10-02 19:32 ` Linus Torvalds
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