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From: "Michael S. Tsirkin" <mst@redhat.com>
To: "Wang, Wei W" <wei.w.wang@intel.com>
Cc: "Hansen, Dave" <dave.hansen@intel.com>,
	David Hildenbrand <david@redhat.com>,
	Alexander Duyck <alexander.duyck@gmail.com>,
	"nitesh@redhat.com" <nitesh@redhat.com>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>,
	"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
	"yang.zhang.wz@gmail.com" <yang.zhang.wz@gmail.com>,
	"pagupta@redhat.com" <pagupta@redhat.com>,
	"riel@surriel.com" <riel@surriel.com>,
	"konrad.wilk@oracle.com" <konrad.wilk@oracle.com>,
	"lcapitulino@redhat.com" <lcapitulino@redhat.com>,
	"aarcange@redhat.com" <aarcange@redhat.com>,
	"pbonzini@redhat.com" <pbonzini@redhat.com>,
	"Williams, Dan J" <dan.j.williams@intel.com>,
	"alexander.h.duyck@linux.intel.com" 
	<alexander.h.duyck@linux.intel.com>
Subject: Re: [PATCH v1 6/6] virtio-balloon: Add support for aerating memory via hinting
Date: Tue, 16 Jul 2019 12:12:56 -0400	[thread overview]
Message-ID: <20190716120839-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <286AC319A985734F985F78AFA26841F73E16AB21@shsmsx102.ccr.corp.intel.com>

On Tue, Jul 16, 2019 at 03:01:52PM +0000, Wang, Wei W wrote:
> On Tuesday, July 16, 2019 10:41 PM, Hansen, Dave wrote:
> > Where is the page allocator integration?  The set you linked to has 5 patches,
> > but only 4 were merged.  This one is missing:
> > 
> > 	https://lore.kernel.org/patchwork/patch/961038/
> 
> For some reason, we used the regular page allocation to get pages
> from the free list at that stage.


This is what Linus suggested, that is why:

https://lkml.org/lkml/2018/6/27/461

and

https://lkml.org/lkml/2018/7/11/795


See also

https://lkml.org/lkml/2018/7/10/1157

for some failed attempts to upstream mm core changes
related to this.

> This part could be improved by Alex
> or Nitesh's approach.
> 
> The page address transmission from the balloon driver to the host
> device could reuse what's upstreamed there. I think you could add a
> new VIRTIO_BALLOON_CMD_xx for your usages.
> 
> Best,
> Wei

  reply	other threads:[~2019-07-16 16:13 UTC|newest]

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-19 22:32 [PATCH v1 0/6] mm / virtio: Provide support for paravirtual waste page treatment Alexander Duyck
2019-06-19 22:33 ` [PATCH v1 1/6] mm: Adjust shuffle code to allow for future coalescing Alexander Duyck
2019-06-25  7:55   ` David Hildenbrand
2019-06-28 19:49     ` Alexander Duyck
2019-06-25 18:25   ` Dave Hansen
2019-06-25 18:26   ` Dave Hansen
2019-06-19 22:33 ` [PATCH v1 2/6] mm: Move set/get_pcppage_migratetype to mmzone.h Alexander Duyck
2019-06-25 18:28   ` Dave Hansen
2019-06-28 19:55     ` Alexander Duyck
2019-06-19 22:33 ` [PATCH v1 3/6] mm: Use zone and order instead of free area in free_list manipulators Alexander Duyck
2019-06-25 18:36   ` Dave Hansen
2019-06-19 22:33 ` [PATCH v1 4/6] mm: Introduce "aerated" pages Alexander Duyck
2019-06-25 19:45   ` Dave Hansen
2019-07-08 17:32     ` Alexander Duyck
2019-06-19 22:33 ` [PATCH v1 5/6] mm: Add logic for separating "aerated" pages from "raw" pages Alexander Duyck
2019-06-25 20:24   ` Dave Hansen
2019-07-08 19:02     ` Alexander Duyck
2019-07-08 19:36       ` Dave Hansen
2019-07-08 22:02         ` Alexander Duyck
2019-06-19 22:33 ` [PATCH v1 6/6] virtio-balloon: Add support for aerating memory via hinting Alexander Duyck
2019-07-16  9:55   ` Michael S. Tsirkin
2019-07-16 14:00     ` Dave Hansen
2019-07-16 14:12       ` David Hildenbrand
2019-07-16 14:17         ` David Hildenbrand
2019-07-16 15:04           ` Michael S. Tsirkin
2019-07-16 14:41         ` Dave Hansen
2019-07-16 15:01           ` Wang, Wei W
2019-07-16 16:12             ` Michael S. Tsirkin [this message]
2019-07-16 15:02           ` David Hildenbrand
2019-07-16 15:37     ` Alexander Duyck
2019-07-16 16:07       ` Michael S. Tsirkin
2019-07-16 16:54         ` Alexander Duyck
2019-07-16 17:41           ` Michael S. Tsirkin
2019-07-16 21:06             ` Alexander Duyck
2019-07-17 10:28               ` Michael S. Tsirkin
2019-07-17 16:43                 ` Alexander Duyck
2019-07-18  5:13                   ` Michael S. Tsirkin
2019-07-18 15:34                     ` Alexander Duyck
2019-07-18 16:03                       ` Nitesh Narayan Lal
2019-07-18 20:27                         ` Michael S. Tsirkin
2019-07-18 16:07                       ` Michael S. Tsirkin
2019-07-18 20:29                         ` Alexander Duyck
2019-07-18 20:37                           ` Michael S. Tsirkin
2019-07-18 20:54                             ` Alexander Duyck
2019-07-18 20:24                       ` Michael S. Tsirkin
2019-07-18 20:34                         ` Alexander Duyck
2019-07-18 20:48                           ` Michael S. Tsirkin
2019-07-18 21:09                             ` Alexander Duyck
2019-06-19 22:37 ` [PATCH v1 QEMU] QEMU: Provide a interface for hinting based off of the balloon infrastructure Alexander Duyck
2019-06-25  7:42 ` [PATCH v1 0/6] mm / virtio: Provide support for paravirtual waste page treatment David Hildenbrand
2019-06-25 14:10   ` Dave Hansen
2019-06-25 17:00     ` Alexander Duyck
2019-06-25 18:12       ` David Hildenbrand
2019-06-25 18:22       ` Dave Hansen
2019-07-15  9:41         ` David Hildenbrand
2019-07-15 14:57           ` Alexander Duyck
2019-06-25 16:09   ` Alexander Duyck
2019-06-26  9:01   ` Christophe de Dinechin
2019-06-26  9:12     ` David Hildenbrand

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