Re: dynamically determining page offset
Alan Cox (alan@lxorguk.ukuu.org.uk)
Tue, 31 Aug 1999 21:06:32 +0100 (BST)
> Is there a way to determine the page offset (usually 0xC0000000)
> from a loaded kernel module dynamically? This becomes a problem when
> trying to insert modules into kernels that might have a different page
> offset than the one the module was compiled with. For example, if the
> PAGE_OFFSET macro in page.h has been changed to say 0x80000000 to
> accomodate a 2g + 2g kernel/user space as opposed to the more usual 1g
> + 3g kernel/user division
> this will cause the module that uses the wrong PAGE_OFFSET value to do
> extremely weird things. Is there a
> consistent, relatively kernel-independent way of dealing with this?
> I would appreciate if you would also copy me on any responses.
2.2.13 will generate different version data for 2G v 3G base kernels
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