real vs. avail memory

Warren Block wblock at wonkity.com
Sun Oct 12 07:10:00 PDT 2003


On Sun, 12 Oct 2003, Dag-Erling [iso-8859-1] Sm=F8rgrav wrote:

> dmesg on a new P4 system:
>
> real memory  =3D 1073676288 (1023 MB)
> avail memory =3D 1037799424 (989 MB)
>
> That's a full 40 MB difference...  where does that memory go?  is it
> used for page maps or something like that?

34M, as I figure it.  Is this an Intel motherboard, or other motherboard
with integrated video adapter?  That could be "shared" memory used for
the video.

-Warren Block * Rapid City, South Dakota USA


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