From: Keir Fraser <keir@xensource.com>
To: Glauber de Oliveira Costa <gcosta@redhat.com>,
Keir Fraser <keir@xensource.com>
Cc: xen-devel@lists.xensource.com
Subject: Re: [PATCH] Make ballooning work with maxmem > mem (i386 version)
Date: Fri, 10 Nov 2006 15:44:07 +0000 [thread overview]
Message-ID: <C17A4EC7.4549%keir@xensource.com> (raw)
In-Reply-To: <20061110153357.GD32562@redhat.com>
On 10/11/06 15:33, "Glauber de Oliveira Costa" <gcosta@redhat.com> wrote:
>> I took both patches and then changed my mind and immediately reverted them.
>> There is a better way: we should support the XENMEM_memory_map hypercall.
>> We should provide a hypercall (domctl) to set a memory_map_limit parameter
>> and then Xen can use that to fake a memory map when XENMEM_memory_map is
>> called. The tools can set that parameter from config['maxmem'].
>
> And what happens when the hypercall ever returns ENOSYS, like a kernel
> running in a bit old Hypervisor?
Oh, and bear in mind you can always use 'memory=' as a boot parameter to
force the p2m size and mem_map size.
-- Keir
next prev parent reply other threads:[~2006-11-10 15:44 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-10 13:24 [PATCH] Make ballooning work with maxmem > mem (i386 version) Glauber de Oliveira Costa
[not found] ` <C17A49E3.4537%keir@xensource.com>
2006-11-10 15:33 ` Glauber de Oliveira Costa
2006-11-10 15:43 ` Keir Fraser
2006-11-10 15:54 ` Daniel P. Berrange
2006-11-10 15:57 ` Keir Fraser
2006-11-10 16:10 ` Glauber de Oliveira Costa
2006-11-10 16:16 ` Keir Fraser
2006-11-10 20:27 ` Glauber de Oliveira Costa
2006-11-11 0:08 ` Keir Fraser
2006-11-10 15:44 ` Keir Fraser [this message]
2006-11-10 15:50 ` Daniel P. Berrange
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