Messages in this thread | | | Date | Tue, 15 Jan 2013 12:04:49 -0500 | From | Rik van Riel <> | Subject | Re: [RFCv3][PATCH 1/3] create slow_virt_to_phys() |
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On 01/09/2013 01:59 PM, Dave Hansen wrote: > Broadening the cc list here a bit... This bug is still present, > and I still need these patches to boot 32-bit NUMA kernels. They > might be obscure, but if we don't care about them any more, perhaps > we should go remove the NUMA remapping code instead of this. > > -- > > This is necessary because __pa() does not work on some kinds of > memory, like vmalloc() or the alloc_remap() areas on 32-bit > NUMA systems. We have some functions to do conversions _like_ > this in the vmalloc() code (like vmalloc_to_page()), but they > do not work on sizes other than 4k pages. We would potentially > need to be able to handle all the page sizes that we use for > the kernel linear mapping (4k, 2M, 1G).
Acked-by: Rik van Riel <riel@redhat.com>
-- All rights reversed
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