lkml.org 
[lkml]   [2012]   [Nov]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2 5/5] page_alloc: Bootmem limit with movablecore_map
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



\
 
 \ /
  Last update: 2012-11-26 17:21    [W:0.082 / U:2.368 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site