Re: About highmem in 2.6

From: Martin J. Bligh
Date: Thu Feb 12 2004 - 01:49:41 EST


> I've been using this patch for a while now on my box (with 1GB):
> http://www.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.4/2.4.23aa1/00_3.5G-address-space-5
> (kernel is 'vanilla' otherwise)
>
> This allows you to use your full 1GB w/out highmem support.... (2G/2G user/kernel addr space split, or something..)
>
> Anything (potentially) wrong/bad about this patch??

The only problem is that you lose some virtual address space for the user,
which isn't a problem for most people.

> Is there a simmilar patch for 2.6??

ftp://ftp.kernel.org/pub/linux/kernel/people/mbligh/patches/2.6.2/2.6.2-mjb1/212-config_page_offset

You might have to tweak the config stuff a tiny bit to get the patch to apply
if you don't have 4/4 split in.

M.
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