git: kernel - Report actual real memory during kernel boot
Michael Neumann
mneumann at ntecs.de
Wed Sep 29 02:10:04 PDT 2010
Am Dienstag, den 28.09.2010, 18:56 -0700 schrieb Matthew Dillon:
> commit 1bda0d3d214f53191b6954dd77ba7589b5e23a8a
> Author: Matthew Dillon <dillon at apollo.backplane.com>
> Date: Tue Sep 28 18:20:01 2010 -0700
>
> kernel - Report actual real memory during kernel boot
>
> * Calculate and report the actual real memory reported by the BIOS,
> only counting memory types and ignoring other mapping types and holes.
>
> * Report this value instead of the highest mapped address, reducing
> user confusion. e.g. on a machine with 8G of ram:
>
> real memory = 8858370048 (8448 MB) (before change)
> avail memory = 7597334528 (7245 MB)
>
> real memory = 8049428480 (7676 MB) (after change)
> avail memory = 7597334528 (7245 MB)
>
> real memory = 8452081664 (8060 MB) (after changing BIOS video 512M->128M)
> avail memory = 7987879936 (7617 MB)
Curious where the remaining 315 MB (8060 - 7617 - 128) of the real
memory are used for? I am confused what real and avail memory really
means. Avail memory is the memory available *after* the kernel took it's
share?
Regards,
Michael
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