Re: [PATCH] x86-32: Allocate irq stacks seperate from percpu area

[Eric Dumazet]

Le mercredi 27 octobre 2010 Ã 16:00 +0200, Tejun Heo a Ãcrit :

> Heh, interesting table.  What does the same code say on 64bit?  Is it
> the same?
> 

Yes this is the same

32bit : # numactl --hardware
available: 2 nodes (0-1)
node 0 cpus: 1 3 5 7 9 11 13 15
node 0 size: 2047 MB
node 0 free: 144 MB
node 1 cpus: 0 2 4 6 8 10 12 14
node 1 size: 2038 MB
node 1 free: 197 MB
node distances:
node   0   1 
  0:  10  20 
  1:  20  10 


64bit : # numactl --hardware
available: 2 nodes (0-1)
node 0 cpus: 1 3 5 7 9 11 13 15
node 0 size: 2047 MB
node 0 free: 1868 MB
node 1 cpus: 0 2 4 6 8 10 12 14
node 1 size: 2038 MB
node 1 free: 1912 MB
node distances:
node   0   1 
  0:  10  20 
  1:  20  10 
# cat /proc/buddyinfo 
Node 0, zone      DMA      1      0      1      0      2      1      1      0      1      1      3 
Node 0, zone    DMA32    454    206     93     15      3      1      1      2      1      3    460 
Node 1, zone    DMA32      3     19     17      1      0      1      1      1      1      1    380 
Node 1, zone   Normal     89     67     15      6      0      2      2      0      0      3     95 


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