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Re: [Xen-devel] [PATCH] Make ballooning work with maxmem > mem (i386 ver
| To: | Glauber de Oliveira Costa <gcosta@xxxxxxxxxx>, Keir Fraser <keir@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH] Make ballooning work with maxmem > mem (i386 version) |
| From: | Keir Fraser <keir@xxxxxxxxxxxxx> |
| Date: | Fri, 10 Nov 2006 15:44:07 +0000 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Fri, 10 Nov 2006 07:44:26 -0800 |
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| Thread-topic: | [Xen-devel] [PATCH] Make ballooning work with maxmem > mem (i386 version) |
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On 10/11/06 15:33, "Glauber de Oliveira Costa" <gcosta@xxxxxxxxxx> 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 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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