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From: Paolo Bonzini <pbonzini@redhat.com>
To: Gerd Hoffmann <kraxel@redhat.com>, qemu-devel@nongnu.org
Cc: "Michael S. Tsirkin" <mst@redhat.com>,
	Richard Henderson <rth@twiddle.net>,
	Eduardo Habkost <ehabkost@redhat.com>
Subject: Re: [Qemu-devel] [RESEND PATCH] pc: allow raising low memory via max-ram-below-4g option
Date: Wed, 1 Jun 2016 15:02:56 +0200	[thread overview]
Message-ID: <7e45a573-a884-ceb5-7d7f-e26dc0f9fa3c@redhat.com> (raw)
In-Reply-To: <1464784092-28298-1-git-send-email-kraxel@redhat.com>



On 01/06/2016 14:28, Gerd Hoffmann wrote:
> This patch extends the functionality of the max-ram-below-4g option
> to also allow increasing lowmem.  Use case: Give as much memory as
> possible to legacy non-PAE guests.
> 
> While being at it also rework the lowmem calculation logic and add a
> longish comment describing how it works and what the compatibility
> constrains are.

Does this break migration if you use something like "-M
max-ram-below-4g=4g -m 3968m"?

I don't have big problems with that, but it has to be documented.

Thanks,

Paolo

  reply	other threads:[~2016-06-01 13:03 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-01 12:28 [Qemu-devel] [RESEND PATCH] pc: allow raising low memory via max-ram-below-4g option Gerd Hoffmann
2016-06-01 13:02 ` Paolo Bonzini [this message]
2016-06-01 19:09   ` Eduardo Habkost
2016-06-01 19:03 ` Eduardo Habkost

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