linux-mm.kvack.org archive mirror
 help / color / mirror / Atom feed
From: "Michael S. Tsirkin" <mst@redhat.com>
To: David Hildenbrand <david@redhat.com>
Cc: Alexander Duyck <alexander.duyck@gmail.com>,
	Nitesh Narayan Lal <nitesh@redhat.com>,
	kvm list <kvm@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	linux-mm <linux-mm@kvack.org>,
	Paolo Bonzini <pbonzini@redhat.com>,
	lcapitulino@redhat.com, pagupta@redhat.com,
	Yang Zhang <yang.zhang.wz@gmail.com>,
	Rik van Riel <riel@surriel.com>,
	dodgen@google.com, Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	dhildenb@redhat.com, Andrea Arcangeli <aarcange@redhat.com>,
	Dave Hansen <dave.hansen@intel.com>
Subject: Re: On guest free page hinting and OOM
Date: Tue, 2 Apr 2019 15:49:00 -0400	[thread overview]
Message-ID: <20190402154732-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <d105e3c7-52b4-de94-9f61-0aee5442d463@redhat.com>

On Tue, Apr 02, 2019 at 08:21:30PM +0200, David Hildenbrand wrote:
> The other extreme is a system that barely frees (MAX_ORDER - X) pages,
> however your thread will waste cycles scanning for such.

I don't think we need to scan as such. An arch hook
that queues a job to a wq only when there's work to
do will fix the issue, right?

-- 
MST


  reply	other threads:[~2019-04-02 19:49 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-29 13:26 On guest free page hinting and OOM Michael S. Tsirkin
2019-03-29 14:24 ` David Hildenbrand
2019-03-29 15:08   ` Michael S. Tsirkin
2019-03-29 15:37     ` David Hildenbrand
2019-03-29 15:45       ` David Hildenbrand
2019-03-29 16:51         ` Michael S. Tsirkin
2019-04-01  8:17           ` David Hildenbrand
2019-04-01 13:24             ` Michael S. Tsirkin
2019-04-01 14:09               ` David Hildenbrand
2019-04-01 14:11                 ` David Hildenbrand
2019-04-01 14:47                   ` Michael S. Tsirkin
2019-04-01 14:54                     ` David Hildenbrand
2019-04-01 20:56                     ` Alexander Duyck
2019-04-02  7:42                       ` David Hildenbrand
2019-04-02 15:04                         ` Alexander Duyck
2019-04-02 15:25                           ` Michael S. Tsirkin
2019-04-02 15:57                             ` David Hildenbrand
2019-04-02 16:18                               ` Alexander Duyck
2019-04-02 17:08                                 ` David Hildenbrand
2019-04-02 17:45                                   ` Alexander Duyck
2019-04-02 17:53                                     ` Michael S. Tsirkin
2019-04-02 20:32                                       ` Alexander Duyck
2019-04-02 18:21                                     ` David Hildenbrand
2019-04-02 19:49                                       ` Michael S. Tsirkin [this message]
2019-04-02 20:32                                         ` David Hildenbrand
2019-04-02 15:55                           ` David Hildenbrand
2019-04-02 17:30                             ` Alexander Duyck
2019-04-02 18:53                               ` David Hildenbrand
2019-04-02 23:43                                 ` Alexander Duyck
2019-04-03 19:43                                   ` David Hildenbrand
2019-04-04 13:28                                   ` Michael S. Tsirkin
2019-04-02 16:19                           ` David Hildenbrand
2019-04-01 14:45                 ` Michael S. Tsirkin
2019-03-29 16:09       ` Michael S. Tsirkin

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=20190402154732-mutt-send-email-mst@kernel.org \
    --to=mst@redhat.com \
    --cc=aarcange@redhat.com \
    --cc=alexander.duyck@gmail.com \
    --cc=dave.hansen@intel.com \
    --cc=david@redhat.com \
    --cc=dhildenb@redhat.com \
    --cc=dodgen@google.com \
    --cc=konrad.wilk@oracle.com \
    --cc=kvm@vger.kernel.org \
    --cc=lcapitulino@redhat.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=nitesh@redhat.com \
    --cc=pagupta@redhat.com \
    --cc=pbonzini@redhat.com \
    --cc=riel@surriel.com \
    --cc=yang.zhang.wz@gmail.com \
    /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).