Re: mmotm 2011-06-15-16-56 uploaded (mm/page_cgroup.c)

From: Dave Hansen
Date: Thu Jun 16 2011 - 12:26:32 EST

On Thu, 2011-06-16 at 11:35 +0100, Mel Gorman wrote:
> > This patch removes definitions of node_start/end_pfn() in each archs
> > and defines a unified one in linux/mmzone.h. It's not under
> Does anyone remember *why* this did not happen in the first place? I
> can't think of a good reason so I've cc'd Dave Hansen as he might
> remember.

You mean why it's not under CONFIG_NEED_MULTIPLE_NODES? I'd guess it's
just because it keeps working in all configurations since the
pg_data_t->node_*_pfn entries are defined everywhere.

Is that what you're asking?

-- Dave

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