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Re: [Xen-devel] [PATCH] xen: limit memory to architectural maximum

From Roger Pau Monné <roger.pau@citrix.com>
Newsgroups linux.kernel
Subject Re: [Xen-devel] [PATCH] xen: limit memory to architectural maximum
Date 2015-09-04 16:20 +0200
Message-ID <q500p-4vH-3@gated-at.bofh.it> (permalink)
References <q4Y8i-1MD-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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El 04/09/15 a les 14.18, Juergen Gross ha escrit:
> When a pv-domain (including dom0) is started it tries to size it's
> p2m list according to the maximum possible memory amount it ever can
> achieve. Limit the initial maximum memory size to the architectural
> limit of the hardware in order to avoid overflows during remapping
> of memory.
> 
> This problem will occur when dom0 is started with an initial memory
> size being a multiple of 1GB, but without specifying it's maximum
> memory size. The kernel must be configured without
> CONFIG_XEN_BALLOON_MEMORY_HOTPLUG for the problem to happen.
> 
> Reported-by: Roger Pau Monné <roger.pau@citrix.com>
> Signed-off-by: Juergen Gross <jgross@suse.com>

Tested-by: Roger Pau Monné <roger.pau@citrix.com>

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Thread

[PATCH] xen: limit memory to architectural maximum Juergen Gross <jgross@suse.com> - 2015-09-04 14:20 +0200
  Re: [Xen-devel] [PATCH] xen: limit memory to architectural maximum Roger Pau Monné <roger.pau@citrix.com> - 2015-09-04 16:20 +0200
  Re: [Xen-devel] [PATCH] xen: limit memory to architectural maximum David Vrabel <david.vrabel@citrix.com> - 2015-09-04 18:00 +0200

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