After recent changes setting elfcorehdr_addr to ELFCORE_ADDR_MAX
will cause is_kdump_kernel() to return 0 when it should return 1.
Instead use vmcore_unusable(), which has been added for this purpose.

Signed-off-by: Simon Horman <horms@verge.net.au>

Index: linux-2.6/arch/ia64/kernel/setup.c
===================================================================
--- linux-2.6.orig/arch/ia64/kernel/setup.c	2008-07-29 17:27:43.000000000 +1000
+++ linux-2.6/arch/ia64/kernel/setup.c	2008-07-29 17:50:50.000000000 +1000
@@ -502,11 +502,11 @@ int __init reserve_elfcorehdr(unsigned l
 	 * to work properly.
 	 */
 
-	if (elfcorehdr_addr >= ELFCORE_ADDR_MAX)
+	if (!is_vmcore_usable())
 		return -EINVAL;
 
 	if ((length = vmcore_find_descriptor_size(elfcorehdr_addr)) == 0) {
-		elfcorehdr_addr = ELFCORE_ADDR_MAX;
+		vmcore_unusable();
 		return -EINVAL;
 	}
 

-- 

-- 
Horms