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SubjectRe: 2.6.22-rc4-mm1
On Wed, 06 Jun 2007 14:48:52 +0100 Andy Whitcroft <apw@shadowen.org> wrote:

> Cedric Le Goater wrote:
> > Andrew,
> >
> > here's a minor fix for x86_64,
> >
> > C.
> >
> >
> > when CONFIG_PM=y and CONFIG_SOFTWARE_SUSPEND=n,
> >
> > CC arch/x86_64/kernel/e820.o
> > /home/legoater/linux/2.6.22-rc4-mm1/arch/x86_64/kernel/e820.c: In function `e820_mark_nosave_regions':
> > /home/legoater/linux/2.6.22-rc4-mm1/arch/x86_64/kernel/e820.c:248: warning: implicit declaration of function `register_nosave_region'
> >
> > Signed-off-by: Cedric Le Goater <clg@fr.ibm.com>
> > ---
> > include/linux/suspend.h | 8 ++++++++
> > 1 file changed, 8 insertions(+)
> >
> > Index: 2.6.22-rc4-mm1/include/linux/suspend.h
> > ===================================================================
> > --- 2.6.22-rc4-mm1.orig/include/linux/suspend.h
> > +++ 2.6.22-rc4-mm1/include/linux/suspend.h
> > @@ -74,6 +74,14 @@
> > extern void hibernation_set_ops(struct hibernation_ops *ops);
> > extern int hibernate(void);
> > #else /* CONFIG_SOFTWARE_SUSPEND */
> > +static inline void register_nosave_region(unsigned long b, unsigned long e)
> > +{
> > +}
> > +
> > +static inline void register_nosave_region_late(unsigned long b, unsigned long e)
> > +{
> > +}
> > +
> > static inline int swsusp_page_is_forbidden(struct page *p) { return 0; }
> > static inline void swsusp_set_page_free(struct page *p) {}
> > static inline void swsusp_unset_page_free(struct page *p) {}
> > -
>
>
> Looks like this is the cause of a bunch of compile failures across our
> testing. Will shove this through tko.
>

Yeah. I put a different fix into the hot-fixes directory, thanks.

The powerpc failure is nasty - probably a toolchain stupidity. I reverted
slub-use-ilog2-instead-of-series-of-constant-comparisons.patch which
_should_ fix it, but really the problem is triggered by ilog2().

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