Messages in this thread | | | Date | Thu, 15 Aug 2013 14:06:44 -0700 | Subject | Re: [PATCH] memblock, numa: Binary search node id | From | Yinghai Lu <> |
| |
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
| |