lkml.org 
[lkml]   [2014]   [Jul]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC Patch V1 07/30] mm: Use cpu_to_mem()/numa_mem_id() to support memoryless node
Hi Tejun and Christoph,
Thanks for your suggestions and discussion. Tejun really
gives a good point to hide memoryless node interface from normal
slab users. I will rework the patch set to go that direction.
Regards!
Gerry

On 2014/7/12 3:11, Christoph Lameter wrote:
> On Fri, 11 Jul 2014, Tejun Heo wrote:
>
>> On Fri, Jul 11, 2014 at 12:29:30PM -0500, Christoph Lameter wrote:
>>> GFP_THISNODE is mostly used by allocators that need memory from specific
>>> nodes. The use of numa_mem_id() there is useful because one will not
>>> get any memory at all when attempting to allocate from a memoryless
>>> node using GFP_THISNODE.
>>
>> As long as it's in allocator proper, it doesn't matter all that much
>> but the changes are clearly not contained, are they?
>
> Well there is a proliferation of memory allocators recently. NUMA is often
> a second thought in those.
>


\
 
 \ /
  Last update: 2014-07-23 05:41    [W:0.120 / U:0.256 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site