commit c69f915b8163bb9209cb329a6186b7261b545a4b
Author: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
Date:   Tue Mar 22 11:57:36 2011 +0900

    [PATCH] s390x: Fix KVBASE to correct value for s390x arcitecture
    
    While excluding free pages from s390x dumps taken on LPAR, makedumpfile
    fails to convert page address to pfn. The reason is, the memory for
    mem_section structure is allocated below '_stext' and since KVBASE is
    set to SYMBOL(_stext), the function is_kvaddr() fails and return NULL
    address.
    
    Set KVBASE to KENRELBASE(0) for s390x architecture to fix this issue.
    
    Signed-off-by: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>


diff -Nrup kexec-tools-2.0.0.orig/makedumpfile-1.3.5/makedumpfile.h kexec-tools-2.0.0/makedumpfile-1.3.5/makedumpfile.h
--- kexec-tools-2.0.0.orig/makedumpfile-1.3.5/makedumpfile.h	2011-04-05 12:41:00.000000000 +0800
+++ kexec-tools-2.0.0/makedumpfile-1.3.5/makedumpfile.h	2011-04-05 12:41:27.000000000 +0800
@@ -600,7 +600,7 @@ do { \
 #ifdef __s390x__
 #define __PAGE_OFFSET		(info->page_size - 1)
 #define KERNELBASE		(0)
-#define KVBASE			(SYMBOL(_stext))
+#define KVBASE			KERNELBASE
 #define _SECTION_SIZE_BITS	(28)
 #define _MAX_PHYSMEM_BITS	(42)