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[Xen-devel] Re: [PATCH 2/6] Change the boot allocator function to suppor
| To: | "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxxxx>, Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] Re: [PATCH 2/6] Change the boot allocator function to support memory add |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Sun, 28 Jun 2009 14:43:40 +0100 |
| Cc: | |
| Delivery-date: | Sun, 28 Jun 2009 06:44:18 -0700 |
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| Thread-topic: | [PATCH 2/6] Change the boot allocator function to support memory add |
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On 28/06/2009 14:24, "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx> wrote: >> The undelrying implementation ideas may be okay, but calling these >> extensions to the 'boot allocator' makes no sense. The boot >> allocator only >> exists during boot. The fact that the bitmap it uses persists >> beyond boot is >> an implementation detail. Perhaps you just need to change the > > So can I understand the allocator bitmap (i.e. those for map_free/map_call) as > something not just about boot allocator, but for generic bitmap to remember > the page allocation status? > Maybe we can just using one bit in page_info to indicate if page is allocated > in future? I think the PGC_ flags could be extended to do this, yes. Maybe I will look into that. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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