Re: [Xen-devel] Build problems: references to init_mm in pgtable*.h

[Christian Limpach <christian.limpach@xxxxxxxxx>]

On 12/5/05, Stephen Tweedie <sct@xxxxxxxxxx> wrote:
> My normal xen .config will not build on recent linux-2.6-merge.hg trees.
> The problem is the
>        include/asm-i386/mach-xen/asm/pgtable-2level.h
> and
>        include/asm-i386/mach-xen/asm/pgtable-3level.h
> files, which reference "init_mm" without ever pulling in a definition of
> those files.
>
> Whether you see the problem or not depends on the .config; most files
> which include the pgtable*.h includes already pull in sched.h (which is
> where init_mm is declared), but not all do so.  Trivial patch attached,
> but it's not necessarily the best solution as we don't want sched.h
> changes polluting mm .o's unnecessarily.

I've changed the set_pte_at and set_pte_at_sync inline functions to be
macros.  This way, init_mm only needs to be defined where these macros
are used.
Does this fix all the errors you're seeing?

     christian

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