lkml.org 
[lkml]   [2000]   [Feb]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: Reserved memory
Date
In article <linux.kernel.389BEEDF.5CCCB33@grad.physics.sunysb.edu>,
Rui Sousa <rsousa@grad.physics.sunysb.edu> wrote:
>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)


This reserved memory is memory that's reserved by the bios; it's
either rom (009fc00->00a0000, 00e0000->0fffff are likely that)
or ACPI tables and configuration data. I don't believe that this
reserved memory is even counted in the the Memory: message.


____
david parsons \bi/ though I've been narrowly focusing on the mechanics
\/ of the memory detection to the exclusion of all other
kernel-side stuff.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:56    [W:0.026 / U:0.264 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site