page_alloc: make setup_nr_node_ids() usable for arch init code
authorCody P Schafer <cody@linux.vnet.ibm.com>
Mon, 29 Apr 2013 22:08:01 +0000 (15:08 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Mon, 29 Apr 2013 22:54:36 +0000 (15:54 -0700)
powerpc and x86 were opencoding copies of setup_nr_node_ids(), which
page_alloc provides but makes static.  Make it avaliable to the archs in
linux/mm.h.

Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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