Gentoo Archives: gentoo-amd64

From: Mark Knecht <markknecht@×××××.com>
To: gentoo-amd64@l.g.o
Subject: Re: [gentoo-amd64] Re: Memory usage; 32 bit vs 64 bit.
Date: Thu, 06 Jan 2011 23:12:24
Message-Id: AANLkTikJYVDO7qbCYRevKp6NZsY630KyfvKErKXJ5q9f@mail.gmail.com
In Reply to: Re: [gentoo-amd64] Re: Memory usage; 32 bit vs 64 bit. by Enrico Weigelt
On Thu, Jan 6, 2011 at 12:29 PM, Enrico Weigelt <weigelt@×××××.de> wrote:
> * Duncan <1i5t5.duncan@×××.net> wrote: > >> $free -m >>              total       used       free     shared    buffers     cached >> Mem:          5925       3334       2590          0        319       1571 >> -/+ buffers/cache:       1443       4481 >> Swap:        20479          0      20479 > > Apropos total memory: on my box w/ 4GB, it only shows up 3GB. > On bootup, kernel (built w/ CONFIG_HIGHMEM4G=y) says: > >    2119MB HIGHMEM available. >    887MB LOWMEM available. > > Who's eating up a whole GB ? BIOS ? GPU ?
It sounds suspiciously like video memory to me. GART could be involved. How much DRAM on your video card? - Mark