lkml.org 
[lkml]   [2013]   [Aug]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH] memblock, numa: Binary search node id
From
On Thu, Aug 15, 2013 at 1:43 PM, Andrew Morton
<akpm@linux-foundation.org> wrote:
> On Wed, 14 Aug 2013 22:46:29 -0700 Yinghai Lu <yinghai@kernel.org> wrote:
>
>> Current early_pfn_to_nid() on arch that support memblock go
>> over memblock.memory one by one, so will take too many try
>> near the end.
>>
>> We can use existing memblock_search to find the node id for
>> given pfn, that could save some time on bigger system that
>> have many entries memblock.memory array.
>
> Looks nice. I wonder how much difference it makes.

Russ said he would test on his 256 nodes system, but looks he never
got chance.

Thanks

Yinghai


\
 
 \ /
  Last update: 2013-08-15 23:21    [W:0.318 / U:0.472 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site