Linux 6.9-rc5

[sfrench/cifs-2.6.git] / kernel / crash_dump.c

diff --git a/kernel/crash_dump.c b/kernel/crash_dump.c
deleted file mode 100644 (file)
index 9c23ae0..0000000
--- a/kernel/crash_dump.c
+++ /dev/null
@@ -1,47 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-#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;
-EXPORT_SYMBOL_GPL(elfcorehdr_addr);
-
-/*
- * 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);