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

[Randy Dunlap <randy.dunlap@oracle.com>]

On Mon, 8 Sep 2008 17:56:21 -0700 Andrew Morton wrote:

> On Mon, 08 Sep 2008 14:52:34 -0700
> Badari Pulavarty <pbadari@us.ibm.com> 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@us.ibm.com>
> > 
> >  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?

After using ia64 defconfig, all I had to do was enable Sparse Memory model
instead of Discontiguous.


---
~Randy
Linux Plumbers Conference, 17-19 September 2008, Portland, Oregon USA
http://linuxplumbersconf.org/

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