Re: [PATCH] mm: show node to memory section relationship withsymlinks in sysfs

[Gary Hade]

On Tue, Sep 30, 2008 at 05:06:08PM +0900, Yasunori Goto wrote:
> 
> > +#ifdef CONFIG_MEMORY_HOTPLUG_SPARSE
> > +int register_mem_sect_under_node(struct memory_block *mem_blk)
>         :
> 
> I think this patch is convenience even when memory hotplug is disabled.
> CONFIG_SPARSEMEM seems better than CONFIG_MEMORY_HOTPLUG_SPARSE.

Yes, this would be nice but unfortunately the presence of the
memory section directories that are referenced by the symlinks
also depend on CONFIG_MEMORY_HOTPLUG_SPARSE being enabled.  Removal
of the memory hotplug dependency for the code in drivers/base/memory.c
will require more than a simple CONFIG_MEMORY_HOTPLUG_SPARSE to
CONFIG_SPARSEMEM dependency change.  I am still looking at this.

Thanks for the review and testing.

Gary

-- 
Gary Hade
System x Enablement
IBM Linux Technology Center
503-578-4503  IBM T/L: 775-4503
garyhade@xxxxxxxxxx
http://www.ibm.com/linux/ltc
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