From: David Vrabel <david.vrabel@citrix.com>
To: Boris Ostrovsky <boris.ostrovsky@oracle.com>,
<konrad.wilk@oracle.com>, <david.vrabel@citrix.com>
Cc: <linux-kernel@vger.kernel.org>, <stable@vger.kernel.org>,
<xen-devel@lists.xen.org>
Subject: Re: [Xen-devel] [PATCH RESEND] xen/gntdev: Grant maps should not be subject to NUMA balancing
Date: Thu, 26 Nov 2015 17:48:15 +0000 [thread overview]
Message-ID: <565745DF.8030008@citrix.com> (raw)
In-Reply-To: <1447186233-3194-1-git-send-email-boris.ostrovsky@oracle.com>
On 10/11/15 20:10, Boris Ostrovsky wrote:
> Doing so will cause the grant to be unmapped and then, during
> fault handling, the fault to be mistakenly treated as NUMA hint
> fault.
>
> In addition, even if those maps could partcipate in NUMA
> balancing, it wouldn't provide any benefit since we are unable
> to determine physical page's node (even if/when VNUMA is
> implemented).
>
> Marking grant maps' VMAs as VM_IO will exclude them from being
> part of NUMA balancing.
Applied to for-linus-4.4, thanks.
David
next prev parent reply other threads:[~2015-11-26 17:48 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-10 20:10 [PATCH RESEND] xen/gntdev: Grant maps should not be subject to NUMA balancing Boris Ostrovsky
2015-11-26 17:48 ` David Vrabel [this message]
2016-11-10 16:26 ` [Xen-devel] " Olaf Hering
2016-11-10 16:39 ` Boris Ostrovsky
2016-11-10 16:42 ` Olaf Hering
2016-11-10 17:34 ` Boris Ostrovsky
2016-11-10 17:47 ` Olaf Hering
2016-11-10 17:49 ` David Vrabel
2016-11-10 18:09 ` Boris Ostrovsky
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=565745DF.8030008@citrix.com \
--to=david.vrabel@citrix.com \
--cc=boris.ostrovsky@oracle.com \
--cc=konrad.wilk@oracle.com \
--cc=linux-kernel@vger.kernel.org \
--cc=stable@vger.kernel.org \
--cc=xen-devel@lists.xen.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).