linux-mm.kvack.org archive mirror
 help / color / mirror / Atom feed
From: "Michael S. Tsirkin" <mst@redhat.com>
To: Wei Wang <wei.w.wang@intel.com>
Cc: "virtio-dev@lists.oasis-open.org"
	<virtio-dev@lists.oasis-open.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"virtualization@lists.linux-foundation.org"
	<virtualization@lists.linux-foundation.org>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>,
	"mhocko@kernel.org" <mhocko@kernel.org>,
	"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
	"pbonzini@redhat.com" <pbonzini@redhat.com>,
	"liliang.opensource@gmail.com" <liliang.opensource@gmail.com>,
	"yang.zhang.wz@gmail.com" <yang.zhang.wz@gmail.com>,
	"quan.xu0@gmail.com" <quan.xu0@gmail.com>,
	"nilal@redhat.com" <nilal@redhat.com>,
	"riel@redhat.com" <riel@redhat.com>
Subject: Re: [virtio-dev] Re: [PATCH v25 2/2] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT
Date: Thu, 1 Feb 2018 18:03:52 +0200	[thread overview]
Message-ID: <20180201175115-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <5A72E13A.9030701@intel.com>

On Thu, Feb 01, 2018 at 05:43:22PM +0800, Wei Wang wrote:
> 3) Hints means the pages are quite likely to be free pages (no guarantee).
> If the pages given to host are going to be freed, then we really couldn't
> call them hints, they are true free pages. Ballooning needs true free pages,
> while live migration needs hints, would you agree with this?

It's an interesting point, I'm convinced by it.

-- 
MST

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>

  reply	other threads:[~2018-02-01 16:04 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-25  9:14 [PATCH v25 0/2] Virtio-balloon: support free page reporting Wei Wang
2018-01-25  9:14 ` [PATCH v25 1/2] mm: support reporting free page blocks Wei Wang
2018-01-25 13:46   ` Michael S. Tsirkin
2018-01-25  9:14 ` [PATCH v25 2/2] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT Wei Wang
2018-01-25 13:49   ` Michael S. Tsirkin
2018-01-26  1:40     ` [virtio-dev] " Wei Wang
2018-01-26  2:42       ` Michael S. Tsirkin
2018-01-26  3:31         ` Wei Wang
2018-01-26 13:35           ` Tetsuo Handa
2018-01-30 23:44           ` Michael S. Tsirkin
2018-02-01  9:43             ` Wei Wang
2018-02-01 16:03               ` Michael S. Tsirkin [this message]
2018-02-01 19:15 ` [PATCH v25 0/2] Virtio-balloon: support free page reporting Michael S. Tsirkin
2018-02-02 12:48   ` Wei Wang

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=20180201175115-mutt-send-email-mst@kernel.org \
    --to=mst@redhat.com \
    --cc=akpm@linux-foundation.org \
    --cc=kvm@vger.kernel.org \
    --cc=liliang.opensource@gmail.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=mhocko@kernel.org \
    --cc=nilal@redhat.com \
    --cc=pbonzini@redhat.com \
    --cc=quan.xu0@gmail.com \
    --cc=riel@redhat.com \
    --cc=virtio-dev@lists.oasis-open.org \
    --cc=virtualization@lists.linux-foundation.org \
    --cc=wei.w.wang@intel.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).