Re: Patch for 3.5/0.5 address space split

From: Kirill Korotaev (dev@sw.ru)
Date: Sun Jul 06 2003 - 10:47:49 EST


> Could anybody point out to patches available for 3.5/0.5 address
> space split for 2.4 and 2.5 kernels?
> Any other working options? I managed to compile 2.4.21 kernel
> with 1/3 split, but not with 0.5/3.5. The last one simply doesn't
> boot. What could I be doing wrong?

As far as I remember I saw some places in the code which should be fixed
before split 1/3 can be used. Split 0.5/3.5 can be not-working if you are
using PAE-enabled kernel (in some places pgds are copied directly - i.e. 1GB
granularity is used).

Anyway due to bug in glibc pthread lib some apps are not working properly with
non-standart 3/1 split (i.e. java).

I'm working on 4GB/4GB split now (kernel space is separated from user space
completely). If someone wants to have a look at it I will probably post it
later.

Kirill

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