[patch 01/43] [IA64] Build fix for __early_pfn_to_nid() undefined link error

[Greg KH]

2.6.28-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Tony Luck <tony.luck@xxxxxxxxx>

commit 334f85b647bc46ff4d27ace55aa65f44d6a2f4db upstream.

ia64 only defines __early_pfn_to_nid() for SPARSEMEM && NUMA configurations,
so the recent:

	commit: f2dbcfa738368c8a40d4a5f0b65dc9879577cb21
	mm: clean up for early_pfn_to_nid()

ends up with some link problems for certain configuration files.

Fix arch/ia64/Kconfig to only define HAVE_ARCH_EARLY_PFN_TO_NID in the
cases where we do provide this function.

Signed-off-by: Tony Luck <tony.luck@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 arch/ia64/Kconfig |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -479,8 +479,7 @@ config HOLES_IN_ZONE
 	default y if VIRTUAL_MEM_MAP
 
 config HAVE_ARCH_EARLY_PFN_TO_NID
-	def_bool y
-	depends on NEED_MULTIPLE_NODES
+	def_bool NUMA && SPARSEMEM
 
 config HAVE_ARCH_NODEDATA_EXTENSION
 	def_bool y


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