diff options
Diffstat (limited to 'kernel/crash_dump.c')
| -rw-r--r-- | kernel/crash_dump.c | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/kernel/crash_dump.c b/kernel/crash_dump.c deleted file mode 100644 index c766ee54c0b1..000000000000 --- a/kernel/crash_dump.c +++ /dev/null @@ -1,45 +0,0 @@ -#include <linux/kernel.h> -#include <linux/crash_dump.h> -#include <linux/init.h> -#include <linux/errno.h> -#include <linux/export.h> - -/* - * If we have booted due to a crash, max_pfn will be a very low value. We need - * to know the amount of memory that the previous kernel used. - */ -unsigned long saved_max_pfn; - -/* - * stores the physical address of elf header of crash image - * - * Note: elfcorehdr_addr is not just limited to vmcore. It is also used by - * is_kdump_kernel() to determine if we are booting after a panic. Hence put - * it under CONFIG_CRASH_DUMP and not CONFIG_PROC_VMCORE. - */ -unsigned long long elfcorehdr_addr = ELFCORE_ADDR_MAX; - -/* - * stores the size of elf header of crash image - */ -unsigned long long elfcorehdr_size; - -/* - * elfcorehdr= specifies the location of elf core header stored by the crashed - * kernel. This option will be passed by kexec loader to the capture kernel. - * - * Syntax: elfcorehdr=[size[KMG]@]offset[KMG] - */ -static int __init setup_elfcorehdr(char *arg) -{ - char *end; - if (!arg) - return -EINVAL; - elfcorehdr_addr = memparse(arg, &end); - if (*end == '@') { - elfcorehdr_size = elfcorehdr_addr; - elfcorehdr_addr = memparse(end + 1, &end); - } - return end > arg ? 0 : -EINVAL; -} -early_param("elfcorehdr", setup_elfcorehdr); |