Re: 512Meg of Ram
On Sunday, 28. October 2001 15:51, Andrew Perrin wrote:
> Not in my experience:
>
> aperrin@hm269-26876:~$ free
> total used free shared buffers cached
> Mem: 516516 370464 146052 96080 140104 108508
> -/+ buffers/cache: 121852 394664
> Swap: 498004 8728 489276
> aperrin@hm269-26876:~$ uname -a
> Linux hm269-26876 2.2.19pre17 #1 Fri Aug 10 09:28:54 EDT 2001 i686 unknown
>
>
> On Sat, 27 Oct 2001 waynes@techgod.net wrote:
> > I just added 512meg of ram to my Debian Woody box. I had heard that
> > Linux does not support 512meg of ram without a kernel recompile. Is this
> > true?
It's not true, but it was, some time ago, in the dark ages :)
Kernel configuration help says:
CONFIG_NOHIGHMEM:
---snip---
If you are compiling a kernel which will never run on a machine with
more than 1 Gigabyte total physical RAM, answer "off" here (default
choice and suitable for most users). This will result in a "3GB/1GB"
split: 3GB are mapped so that each process sees a 3GB virtual memory
space and the remaining part of the 4GB virtual memory space is used
by the kernel to permanently map as much physical memory as
possible.
---snap---
ps@aries:~$ free
total used free shared buffers cached
Mem: 513948 496456 17492 0 27800 240128
-/+ buffers/cache: 228528 285420
Swap: 3133288 0 3133288
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