Hi,
Can someone explain me what is happening here?
kernel 2.2.14 SMP:
Jan 25 01:03:45 localhost kernel:
Memory: 128392k/131072k available (692k kernel code, 424k reserved, 1516k data,
48k init)
kernel 2.3.42 SMP:
Feb 3 18:48:29 localhost kernel: e820: 0009fc00 @ 00000000 (usable)
Feb 3 18:48:29 localhost kernel: e820: 00000400 @ 0009fc00 (reserved)
Feb 3 18:48:29 localhost kernel: e820: 00020000 @ 000e0000 (reserved)
Feb 3 18:48:29 localhost kernel: e820: 07f00000 @ 00100000 (usable)
Feb 3 18:48:29 localhost kernel: e820: 00001000 @ fec00000 (reserved)
Feb 3 18:48:29 localhost kernel: e820: 00001000 @ fee00000 (reserved)
Feb 3 18:48:29 localhost kernel: e820: 00040000 @ fffc0000 (reserved)
....
Feb 3 18:48:29 localhost kernel: zone(0): 4096 pages.
Feb 3 18:48:29 localhost kernel: zone(1): 28672 pages.
Feb 3 18:48:29 localhost kernel: zone(2): 0 pages.
....
Feb 3 18:48:29 localhost kernel: Memory: 126424k/131072k available (1103k
kernel code, 4260k reserved, 105k data, 152k init, 0k highmem)
These are similarly configured kernels. kernel code + data got smaller which is
good. init
is bigger but it doesn't matter. What's up with the ~ 4 MB of reserved memory?
Does it make
sense or not? For what is it reserved?
Rui Sousa
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