Le mercredi 04 janvier 2006 à 18:08 +0100, Goetz Bock a écrit :
> Dear list,
>
> after upgrading my server to 3GB (as it would not take 4GB :-(, the BIOS
> only counts to 3.5GB) I realised that when the Dom0 kernel boots,
> something reserves over 80M:
>
> Memory: 136060k/221184k available (1562k kernel code, 84432k reserved, 586k
> data
> , 128k init)
>
> Can someone enlight me what takes the memeory? The Xen hypervisor get's
> about 48MB of it's own.
Hi,
I have this same problem:
I have two similar arch: (nforce4 + athlon 64 X2), the first one have
4GB, the second 2GB.
xen is xen-3.0-testing, kernel 2.6.12.6
== 4GB: ==
Dentry cache hash table entries: 65536 (order: 7, 524288 bytes)
Inode-cache hash table entries: 32768 (order: 6, 262144 bytes)
Software IO TLB enabled:
Aperture: 64 megabytes
Bus range: 0x0000000078000000 - 0x000000007c000000
Kernel range: 0xffff88000157b000 - 0xffff88000557b000
Memory: 184444k/270336k available (1670k kernel code, 85260k reserved,
579k data, 152k init)
# free
total used free shared buffers
cached
Mem: 185076 104668 80408 0 17556
38412
-/+ buffers/cache: 48700 136376
Swap: 524280 0 524280
# cat /proc/iomem
00000000-0009fbff : System RAM
0009fc00-0009ffff : reserved
000a0000-000bffff : Video RAM area
000c0000-000cebff : Video ROM
000cf000-000d07ff : Adapter ROM
000f0000-000fffff : System ROM
00100000-7efbffff : System RAM
7efc0000-7efcdfff : reserved
7efce000-7efeffff : reserved
7eff0000-7effffff : reserved
d0000000-dfffffff : 0000:00:05.0
faaff800-faafffff : 0000:04:05.0
faaff800-faafffff : ohci1394
fc000000-fcffffff : 0000:00:05.0
fd000000-fdffffff : 0000:00:05.0
febd7000-febd7fff : 0000:00:14.0
febd7000-febd7fff : forcedeth
febdc000-febdcfff : 0000:00:0f.0
febdc000-febdcfff : sata_nv
febdd000-febddfff : 0000:00:0e.0
febdd000-febddfff : sata_nv
febde000-febdefff : 0000:00:0b.0
febde000-febdefff : ohci_hcd
febdfc00-febdfcff : 0000:00:0b.1
fec00000-fec00fff : reserved
fee00000-feefffff : reserved
ff780000-ffffffff : reserved
== 2GB: ==
Dentry cache hash table entries: 65536 (order: 7, 524288 bytes)
Inode-cache hash table entries: 32768 (order: 6, 262144 bytes)
Software IO TLB enabled:
Aperture: 2 megabytes
Bus range: 0x000000000c200000 - 0x000000000c400000
Kernel range: 0xffff88000069d000 - 0xffff88000089d000
Memory: 248576k/270336k available (1670k kernel code, 21152k reserved,
579k data, 152k init)
# free
total used free shared buffers
cached
Mem: 249184 67040 182144 0 4588
19304
-/+ buffers/cache: 43148 206036
Swap: 524280 0 524280
# cat /proc/iomem
00000000-0009fbff : System RAM
0009fc00-0009ffff : reserved
000a0000-000bffff : Video RAM area
000c0000-000cebff : Video ROM
000cf000-000d07ff : Adapter ROM
000f0000-000fffff : System ROM
00100000-7efbffff : System RAM
7efc0000-7efcdfff : reserved
7efce000-7efeffff : reserved
7eff0000-7effffff : reserved
d0000000-dfffffff : 0000:00:05.0
faaff800-faafffff : 0000:04:05.0
faaff800-faafffff : ohci1394
fc000000-fcffffff : 0000:00:05.0
fd000000-fdffffff : 0000:00:05.0
febd7000-febd7fff : 0000:00:14.0
febd7000-febd7fff : forcedeth
febd8000-febdbfff : 0000:00:10.1 <-- this line not exist on 4GB version
febdc000-febdcfff : 0000:00:0f.0
febdc000-febdcfff : sata_nv
febdd000-febddfff : 0000:00:0e.0
febdd000-febddfff : sata_nv
febde000-febdefff : 0000:00:0b.0
febde000-febdefff : ohci_hcd
febdfc00-febdfcff : 0000:00:0b.1
fec00000-fec00fff : reserved
fee00000-feefffff : reserved
ff780000-ffffffff : reserved
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