aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/crash_dump.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/crash_dump.h')
-rw-r--r--include/linux/crash_dump.h12
1 files changed, 6 insertions, 6 deletions
diff --git a/include/linux/crash_dump.h b/include/linux/crash_dump.h
index a992e6ca2f1c..f7ac2aa93269 100644
--- a/include/linux/crash_dump.h
+++ b/include/linux/crash_dump.h
@@ -2,13 +2,13 @@
2#ifndef LINUX_CRASH_DUMP_H 2#ifndef LINUX_CRASH_DUMP_H
3#define LINUX_CRASH_DUMP_H 3#define LINUX_CRASH_DUMP_H
4 4
5#ifdef CONFIG_CRASH_DUMP
6#include <linux/kexec.h> 5#include <linux/kexec.h>
7#include <linux/proc_fs.h> 6#include <linux/proc_fs.h>
8#include <linux/elf.h> 7#include <linux/elf.h>
9 8
10#include <asm/pgtable.h> /* for pgprot_t */ 9#include <asm/pgtable.h> /* for pgprot_t */
11 10
11#ifdef CONFIG_CRASH_DUMP
12#define ELFCORE_ADDR_MAX (-1ULL) 12#define ELFCORE_ADDR_MAX (-1ULL)
13#define ELFCORE_ADDR_ERR (-2ULL) 13#define ELFCORE_ADDR_ERR (-2ULL)
14 14
@@ -52,13 +52,13 @@ void vmcore_cleanup(void);
52 * has passed the elf core header address on command line. 52 * has passed the elf core header address on command line.
53 * 53 *
54 * This is not just a test if CONFIG_CRASH_DUMP is enabled or not. It will 54 * This is not just a test if CONFIG_CRASH_DUMP is enabled or not. It will
55 * return 1 if CONFIG_CRASH_DUMP=y and if kernel is booting after a panic of 55 * return true if CONFIG_CRASH_DUMP=y and if kernel is booting after a panic
56 * previous kernel. 56 * of previous kernel.
57 */ 57 */
58 58
59static inline int is_kdump_kernel(void) 59static inline bool is_kdump_kernel(void)
60{ 60{
61 return (elfcorehdr_addr != ELFCORE_ADDR_MAX) ? 1 : 0; 61 return elfcorehdr_addr != ELFCORE_ADDR_MAX;
62} 62}
63 63
64/* is_vmcore_usable() checks if the kernel is booting after a panic and 64/* is_vmcore_usable() checks if the kernel is booting after a panic and
@@ -89,7 +89,7 @@ extern int register_oldmem_pfn_is_ram(int (*fn)(unsigned long pfn));
89extern void unregister_oldmem_pfn_is_ram(void); 89extern void unregister_oldmem_pfn_is_ram(void);
90 90
91#else /* !CONFIG_CRASH_DUMP */ 91#else /* !CONFIG_CRASH_DUMP */
92static inline int is_kdump_kernel(void) { return 0; } 92static inline bool is_kdump_kernel(void) { return 0; }
93#endif /* CONFIG_CRASH_DUMP */ 93#endif /* CONFIG_CRASH_DUMP */
94 94
95extern unsigned long saved_max_pfn; 95extern unsigned long saved_max_pfn;