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Re: 884MB instead of 1024MB memory and HIGHMEM enabled



On Tuesday, 02.08.2005 at 13:06 +0200, sYs wrote:

> Recently I have changed my kernel from 2.4.31-grsec to 2.6.11.12-grsec 
> and I can't resolve this problem:
> After changing my OS (Debian Etch), it sees only 884 MB of the physical 
> memory but i have 1Gbyte (2x512MB) installed in my box and HIGHMEM (4gb) 
> support is already enabled.
> 
> free -m:
>            total       used       free     shared    buffers     cached
> Mem:           884        875          8          0          7        443
> -/+ buffers/cache:        425        459
> Swap:         1953          0       1953
> 
> cat /boot/config-2.6.11.12-grsec |grep -i mem:
> CONFIG_SHMEM=y
> # CONFIG_TINY_SHMEM is not set
> # CONFIG_NOHIGHMEM is not set
> CONFIG_HIGHMEM4G=y
> # CONFIG_HIGHMEM64G is not set
> CONFIG_HIGHMEM=y
> # Memory Technology Devices (MTD)
> # CONFIG_BLK_DEV_UMEM is not set
> CONFIG_GRKERNSEC_KMEM=y
> CONFIG_GRKERNSEC_PROC_MEMMAP=y
> # CONFIG_GRKERNSEC_BIGMEM is not set
> 
> What should i do? Sry for my bad english and thanks you for youre 
> answers! :>

Can you be sure that this config really relates to your running kernel?

Do you have a shared RAM display card installed which is using some of
the RAM?

(Just two random thoughts really - you appear to have everything
correctly set up!)

Dave.
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