Re: Why is current->mm==0 ?

Alan Cox (alan@lxorguk.ukuu.org.uk)
Fri, 22 Oct 1999 16:17:40 +0100 (BST)

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> The problem occurs, when we try to get the physical addresses of the
> buffer pages. The "mm" field of _all_ task_structs is zero, which gives
> an oops in pgd_offset. =:-/ My testroutine:

That normally means you compiled against mismatched headers. The kernel
task struct changed size in 2.2.13 ..

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