Re: [PATCH] Cleanup to make remove_memory() arch neutral

From: Badari Pulavarty
Date: Tue Sep 09 2008 - 11:12:56 EST



On Tue, 2008-09-09 at 10:21 +0900, Yasunori Goto wrote:
> > On Mon, 08 Sep 2008 14:52:34 -0700
> > Badari Pulavarty <pbadari@xxxxxxxxxx> wrote:
> >
> > > There is nothing architecture specific about remove_memory().
> > > remove_memory() function is common for all architectures which
> > > support hotplug memory remove. Instead of duplicating it in every
> > > architecture, collapse them into arch neutral function.
> > >
> > > Signed-off-by: Badari Pulavarty <pbadari@xxxxxxxxxx>
> > >
> > > arch/ia64/mm/init.c | 17 -----------------
> > > arch/powerpc/mm/mem.c | 17 -----------------
> > > arch/s390/mm/init.c | 11 -----------
> > > mm/memory_hotplug.c | 10 ++++++++++
> > > 4 files changed, 10 insertions(+), 45 deletions(-)
> >
> > I spent some time trying to build-test this on ia64 and gave up. How
> > the heck do you turn on memory hotplug on ia64?
> >
>
> EXPORT_SYMBOL_GPL(remove_memory) is removed.
> It is required by drivers/acpi/acpi_memhotplug.ko.

Thanks for catching it. I forgot that it was being used
by acpi. Since we didn't export it for ppc and s390,
I assumed its safe to remove the export. Sorry !!

Thanks,
Badari

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