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From: David Hildenbrand <david@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>,
	Andrew Morton <akpm@linux-foundation.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>,
	Randy Dunlap <rdunlap@infradead.org>,
	broonie@kernel.org, linux-fsdevel@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	linux-next@vger.kernel.org, mhocko@suse.cz,
	mm-commits@vger.kernel.org, Jason Wang <jasowang@redhat.com>
Subject: Re: mmotm 2020-07-27-18-18 uploaded (mm/page_alloc.c)
Date: Wed, 29 Jul 2020 16:38:21 +0200	[thread overview]
Message-ID: <e7173f3b-6e30-03ce-74ef-291236917da3@redhat.com> (raw)
In-Reply-To: <20200729101807-mutt-send-email-mst@kernel.org>

On 29.07.20 16:18, Michael S. Tsirkin wrote:
> On Tue, Jul 28, 2020 at 03:31:43PM -0700, Andrew Morton wrote:
>> On Wed, 29 Jul 2020 08:20:53 +1000 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>>
>>> Hi Andrew,
>>>
>>> On Tue, 28 Jul 2020 14:55:53 -0700 Andrew Morton <akpm@linux-foundation.org> wrote:
>>>> config CONTIG_ALLOC
>>>>         def_bool (MEMORY_ISOLATION && COMPACTION) || CMA
>>>>
>>>> says this is an improper combination.  And `make oldconfig' fixes it up.
>>>>
>>>> What's happening here?
>>>
>>> CONFIG_VIRTIO_MEM selects CONFIG_CONTIG_ALLOC ...
>>
>> Argh, select strikes again.
>>
>> So I guess VIRTIO_MEM should also select COMPACTION?
> 
> +Cc the maintainer.
> 

We had select CONFIG_CONTIG_ALLOC before and that seemed to be wrong. I
was told select might be the wrong approach.

We want memory isolation and contig_alloc with virtio-mem (which depends
on memory hot(un)plug). What would be the right way to achieve this?

-- 
Thanks,

David / dhildenb


  reply	other threads:[~2020-07-29 14:38 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20200723211432.b31831a0df3bc2cbdae31b40@linux-foundation.org>
2020-07-28  1:19 ` mmotm 2020-07-27-18-18 uploaded Andrew Morton
2020-07-28  2:14   ` Stephen Rothwell
     [not found]   ` <CGME20200728032310epcas5p27226ae967b93325ca145e70a14a8bdf8@epcas5p2.samsung.com>
     [not found]     ` <c99c3cef-1b03-0adf-62a6-373e692425b5@infradead.org>
2020-07-28  8:23       ` mmotm 2020-07-27-18-18 uploaded (drivers/scsi/ufs/: SCSI_UFS_EXYNOS) Alim Akhtar
     [not found]   ` <ae87385b-f830-dbdf-ebc7-1afb82a7fed0@infradead.org>
2020-07-28 21:55     ` mmotm 2020-07-27-18-18 uploaded (mm/page_alloc.c) Andrew Morton
2020-07-28 22:20       ` Stephen Rothwell
2020-07-28 22:31         ` Andrew Morton
2020-07-29 14:18           ` Michael S. Tsirkin
2020-07-29 14:38             ` David Hildenbrand [this message]
2020-07-29 16:14               ` David Hildenbrand
2020-07-29 17:29                 ` Randy Dunlap
2020-07-28 22:39       ` Randy Dunlap
2020-07-29  1:43         ` Nathan Chancellor
2020-07-29  1:44         ` Andrew Morton
2020-07-29  2:04           ` Randy Dunlap
2020-07-29 14:09           ` make oldconfig (Re: mmotm 2020-07-27-18-18 uploaded (mm/page_alloc.c)) Alexey Dobriyan
2020-07-31 23:46 ` mmotm 2020-07-31-16-45 uploaded Andrew Morton

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