[openib-general] High memory

[Shuang Liang]

>I agree u64 should be ok for this particular case.
>But it should be dma_addr_t, not u64.
>
>You are using a mellanox (ib_mthca) device?
>
>  
>
Yes,  part of lspci output:
02:02.0 PCI bridge: Mellanox Technologies MT23108 PCI Bridge (rev a1)
03:00.0 InfiniBand: Mellanox Technologies MT23108 InfiniHost (rev a1)

>Can you post /proc/iomem and /proc/meminfo output?
>  
>
# cat /proc/iomem
00000000-0009fbff : System RAM
0009fc00-0009ffff : reserved
000a0000-000bffff : Video RAM area
000c0000-000c7fff : Video ROM
000c8000-000c8fff : Adapter ROM
000c9000-000d0fff : Adapter ROM
000d1000-000d65ff : Adapter ROM
000f0000-000fffff : System ROM
00100000-3ffeffff : System RAM
  00100000-00358542 : Kernel code
  00358543-0041ee07 : Kernel data
3fff0000-3fffefff : ACPI Tables
3ffff000-3fffffff : ACPI Non-volatile Storage
a0000000-bfffffff : 0000:01:02.0
c0c00000-c0dfffff : 0000:01:02.0
c0efc000-c0efffff : 0000:01:02.0
c0f00000-d1ffffff : PCI Bus #03
  c8000000-cfffffff : 0000:03:00.0
    c8000000-cfffffff : ib_mthca
  d1800000-d1ffffff : 0000:03:00.0
    d1800000-d1ffffff : ib_mthca
e0000000-efffffff : 0000:04:02.0
f4000000-f7ffffff : 0000:04:02.0
fb000000-fbffffff : 0000:00:02.0
fc3a0000-fc3bffff : 0000:00:04.0
  fc3a0000-fc3bffff : e100
fc3c0000-fc3dffff : 0000:00:02.0
fc3e0000-fc3effff : 0000:00:04.0
fc3fd000-fc3fdfff : 0000:00:04.0
  fc3fd000-fc3fdfff : e100
fc3fe000-fc3fefff : 0000:00:0f.2
  fc3fe000-fc3fefff : ohci_hcd
fc3ff000-fc3fffff : 0000:00:02.0
fc4f0000-fc4fffff : 0000:01:02.0
fc500000-fc7fffff : PCI Bus #03
  fc700000-fc7fffff : 0000:03:00.0
    fc780680-fc78069b : ib_mthca
    fc780700-fc78070f : ib_mthca
    fc7f00d8-fc7f00df : ib_mthca
fd000000-fdffffff : 0000:05:02.0
feb00000-feb7ffff : 0000:05:02.0
feba0000-febbffff : 0000:05:03.0
febc0000-febdffff : 0000:05:03.1
febfe000-febfefff : 0000:05:03.0
  febfe000-febfefff : aic7xxx
febff000-febfffff : 0000:05:03.1
  febff000-febfffff : aic7xxx
fec00000-fec03fff : reserved
fee00000-fee00fff : reserved
fff80000-ffffffff : reserved

# cat /proc/meminfo
MemTotal:      1034396 kB
MemFree:        922376 kB
Buffers:         15056 kB
Cached:          55404 kB
SwapCached:          0 kB
Active:          37032 kB
Inactive:        43756 kB
HighTotal:      131008 kB
HighFree:        60780 kB
LowTotal:       903388 kB
LowFree:        861596 kB
SwapTotal:     2048276 kB
SwapFree:      2048276 kB
Dirty:             140 kB
Writeback:           0 kB
Mapped:          15596 kB
Slab:            15136 kB
CommitLimit:   2565472 kB
Committed_AS:    42328 kB
PageTables:        956 kB
VmallocTotal:   116728 kB
VmallocUsed:     37164 kB
VmallocChunk:    79364 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB


Thanks
-Shuang,

-- 
Shuang Liang, 
Graduate Administration Assistant, 
Department of Computer Science & Engineering
The Ohio State University, 374 Dreese Labs, 2015 Neil Ave
Columbus, Ohio 43210  
614-292-1900, 
614-292-2911 (fax)