[lkml]   [2010]   [Apr]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 2/6] change alloc function in pcpu_alloc_pages

On 04/14/2010 12:48 AM, Mel Gorman wrote:
> and the mapping table on x86 at least is based on possible CPUs in
> init_cpu_to_node() leaves the mapping as 0 if the APIC is bad or the numa
> node is reported in apicid_to_node as -1. It would appear on power that
> the node will be 0 for possible CPUs as well.
> Hence, I believe this to be safe but a confirmation from Tejun would be
> nice. I would continue digging but this looks like an initialisation path
> so I'll move on to the next patch rather than spending more time.

This being a pretty cold path, I don't really see much benefit in
converting it to alloc_pages_node_exact(). It ain't gonna make any
difference. I'd rather stay with the safer / boring one unless
there's a pressing reason to convert.



 \ /
  Last update: 2010-04-15 01:39    [W:0.070 / U:8.764 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site