Messages in this thread |  | | | Date | Wed, 21 Sep 2011 11:57:24 -0700 | | From | Jeremy Fitzhardinge <> | | Subject | Re: [Xen-devel] Re: [PATCH 0/6] xen: don't call vmalloc_sync_all() when mapping foreign pages |
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On 09/21/2011 03:42 AM, Stefano Stabellini wrote: > On Thu, 15 Sep 2011, Jeremy Fitzhardinge wrote: >> This series is relying on regular ram mappings are already synced to all >> tasks, but I'm not sure that's necessarily guaranteed (for example, if >> you hotplug new memory into the domain, the new pages won't be mapped >> into every mm unless they're synced). > the series is using GFP_KERNEL, so this problem shouldn't occur, right?
What properties do you think GFP_KERNEL guarantees?
J
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