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1GB RAM on smp kernel? [solved]


Dutch
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A bit of technical info on how to make sure all is OK with your running kernel. Normally, for 1GB you'd be fine. The problems come when you want to use any more of this.

 

Between 1 and 4GB, you need the kernel to have the 4GB option enabled. For greater than 4GB you need the 64GB option enabled. Mandriva has i686-up-4GB kernels which you can upgrade to, but I think there is probably no need to.

 

Why I say this, is you can check your /boot/config file to see if these options are enabled. Here is a sample from mine:

 

[ian@europa boot]$ cat /boot/config | grep CONFIG_HIGHMEM
# CONFIG_HIGHMEM4G is not set
CONFIG_HIGHMEM64G=y
CONFIG_HIGHMEM=y

 

as you can see, the 4GB is commented out, and the 64GB is enabled by default. Therefore, in my system I could run 2-4GB no problem, or even 32GB no problem without having to change the kernel.

 

Hope this helps.

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