Dear all
      I meet a  problem that I can't resolve , When  I use the backfire to build out the firmwire for wp543, and run the throughput  about 17 hours by wireless, The kernel print out the following information . Does it happen to  memory leackage?
          Mem-Info:
Normal per-cpu:
CPU    0: hi:    0, btch:   1 usd:   0
active_anon:955 inactive_anon:1164 isolated_anon:0
active_file:635 inactive_file:1168 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
free:69 slab_reclaimable:114 slab_unreclaimable:2422
mapped:443 shmem:17 pagetables:99 bounce:0
Normal free:276kB min:720kB low:900kB high:1080kB active_anon:3820kB inactive_an
on:4656kB active_file:2540kB inactive_file:4672kB unevictable:0kB isolated(anon)
:0kB isolated(file):0kB present:32512kB mlocked:0kB dirty:0kB writeback:0kB mapp
ed:1772kB shmem:68kB slab_reclaimable:456kB slab_unreclaimable:9688kB kernel_sta
ck:320kB pagetables:396kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanne
d:0 all_unreclaimable? no
lowmem_reserve[]: 0 0
Normal: 17*4kB 10*8kB 6*16kB 1*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*20
48kB 0*4096kB = 276kB
1828 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
8192 pages RAM
793 pages reserved
3714 pages shared
5685 pages non-shared
SLUB: Unable to allocate memory on node -1 (gfp=0x20)
  cache: kmalloc-8192, object size: 8192, buffer size: 8192, default order: 3, m
in order: 1
  node 0: slabs: 0, objs: 0, free: 0
ar71xx-spi: page allocation failure. order:1, mode:0x4020
Call Trace:[<80068394>] 0x80068394
[<80068394>] 0x80068394