# HG changeset patch
# User yamahata@xxxxxxxxxxxxx
# Date 1177993380 -32400
# Node ID 9c503e047679028a73faaaaacf98e3614a183c62
# Parent  b14d777275e39dc51390e614464a1e17be21f12e
sparsemem compilation work around
PATCHNAME: sparsemem_compilation_work_around

Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>

diff -r b14d777275e3 -r 9c503e047679 linux-2.6-xen-sparse/include/asm-ia64/maddr.h
--- a/linux-2.6-xen-sparse/include/asm-ia64/maddr.h	Tue May 01 16:25:36 2007 +0900
+++ b/linux-2.6-xen-sparse/include/asm-ia64/maddr.h	Tue May 01 13:23:00 2007 +0900
@@ -65,6 +65,12 @@ machine_to_phys_for_dma(unsigned long ma
 	return phys;
 }
 
+#ifdef CONFIG_SPARSEMEM
+// When CONFIG_SPARSEMEM=y, pfn_valid() is defined in
+// linux/include/linux/mmzone.h. Hoever #include <linux/mmzone.h>
+// causes the header inclusion hell.
+static inline int pfn_valid(unsigned long pfn);
+#endif
 static inline unsigned long
 mfn_to_local_pfn(unsigned long mfn)
 {