[PATCH] Retrieve elfcorehdr address from command line
This patch adds support for retrieving the address of elf core header if one
is passed in command line.
Signed-off-by: Vivek Goyal <vgoyal@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/kernel/crash_dump.c b/kernel/crash_dump.c
index 5a1e6d5..10b966c 100644
--- a/kernel/crash_dump.c
+++ b/kernel/crash_dump.c
@@ -15,6 +15,9 @@
#include <asm/io.h>
#include <asm/uaccess.h>
+/* Stores the physical address of elf header of crash image. */
+unsigned long long elfcorehdr_addr;
+
/*
* Copy a page from "oldmem". For this page, there is no pte mapped
* in the current kernel. We stitch up a pte, similar to kmap_atomic.