Messages in this thread | | | Date | Mon, 26 Nov 2012 07:48:57 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH v2 5/5] page_alloc: Bootmem limit with movablecore_map |
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On 11/26/2012 05:15 AM, Tang Chen wrote: > > Hi Wu, > > That is really a problem. And, before numa memory got initialized, > memblock subsystem would be used to allocate memory. I didn't find any > approach that could fully address it when I making the patches. There > always be risk that memblock allocates memory on ZONE_MOVABLE. I think > we can only do our best to prevent it from happening. > > Your patch is very helpful. And after a shot look at the code, it seems > that acpi_numa_memory_affinity_init() is an architecture dependent > function. Could we do this somewhere which is not depending on the > architecture ? >
The movable memory should be classified as a non-RAM type in memblock, that way we will not allocate from it early on.
-hpa
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