On Sat, Apr 01, 2006 at 04:08:18PM -0800, Randy.Dunlap wrote:
> On Sun, 2 Apr 2006 00:16:41 +0200 Adrian Bunk wrote:
>
> > On Tue, Mar 28, 2006 at 11:46:55AM -0800, Randy.Dunlap wrote:
> > > From: Randy Dunlap <[email protected]>
> > >
> > > Spell CONFIG option correctly so that externs work.
> > > Fixes these warnings:
> > > drivers/acpi/acpi_memhotplug.c:248: warning: implicit declaration of function 'add_memory'
> > > drivers/acpi/acpi_memhotplug.c:312: warning: implicit declaration of function 'remove_memory'
> > >
> > > Signed-off-by: Randy Dunlap <[email protected]>
> > > ---
> > > linsrc/linux-2616-mm2/include/linux/memory_hotplug.h | 2 +-
> > > 1 files changed, 1 insertion(+), 1 deletion(-)
> > >
> > > --- rddunlap.orig/linsrc/linux-2616-mm2/include/linux/memory_hotplug.h
> > > +++ rddunlap/linsrc/linux-2616-mm2/include/linux/memory_hotplug.h
> > > @@ -105,7 +105,7 @@ static inline int __remove_pages(struct
> > > }
> > >
> > > #if defined(CONFIG_MEMORY_HOTPLUG) || defined(CONFIG_ACPI_HOTPLUG_MEMORY) \
> > > - || defined(CONFIG_ACPI_MEMORY_HOTPLUG_MODULE)
> > > + || defined(CONFIG_ACPI_HOTPLUG_MEMORY_MODULE)
> > > extern int add_memory(u64 start, u64 size);
> > > extern int remove_memory(u64 start, u64 size);
> > > #endif
> >
> > What about simply offering the prototypes unconditionally?
>
> duh, yes, that should be OK AFAIK. Could you do that?
Patch below.
> ~Randy
cu
Adrian
<-- snip -->
We don't have to #if guard prototypes.
This also fixes a bug observed by Randy Dunlap due to a misspelled
option in the #if (I haven't investigated whether it was harmless or
might have caused runtime corruption).
Signed-off-by: Adrian Bunk <[email protected]>
--- linux-2.6.16-mm2-full/include/linux/memory_hotplug.h.old 2006-04-02 10:44:37.000000000 +0200
+++ linux-2.6.16-mm2-full/include/linux/memory_hotplug.h 2006-04-02 10:44:50.000000000 +0200
@@ -104,10 +104,7 @@
return -ENOSYS;
}
-#if defined(CONFIG_MEMORY_HOTPLUG) || defined(CONFIG_ACPI_HOTPLUG_MEMORY) \
- || defined(CONFIG_ACPI_MEMORY_HOTPLUG_MODULE)
extern int add_memory(u64 start, u64 size);
extern int remove_memory(u64 start, u64 size);
-#endif
#endif /* __LINUX_MEMORY_HOTPLUG_H */
-
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