[PATCH] Retrieve elfcorehdr address from command line

[safe/jmp/linux-2.6] / arch / i386 / kernel / setup.c

diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index 8d58a05..7306353 100644 (file)
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -44,6 +44,7 @@
 #include <linux/edd.h>
 #include <linux/nodemask.h>
 #include <linux/kexec.h>
+#include <linux/crash_dump.h>
 
 #include <video/edid.h>
 
@@ -881,6 +882,13 @@ static void __init parse_cmdline_early (char ** cmdline_p)
                        }
                }
 #endif
+#ifdef CONFIG_CRASH_DUMP
+               /* elfcorehdr= specifies the location of elf core header
+                * stored by the crashed kernel.
+                */
+               else if (!memcmp(from, "elfcorehdr=", 11))
+                       elfcorehdr_addr = memparse(from+11, &from);
+#endif
 
                /*
                 * highmem=size forces highmem to be exactly 'size' bytes.