diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-07-30 19:36:55 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-30 19:36:55 +0200 |
| commit | bc588df79ebfb710abc27342fccf336a68ed1216 (patch) | |
| tree | e50e125eaa6da83fa715704e53c1bde013d1ef8e /include/linux/crash_dump.h | |
| parent | bce7f793daec3e65ec5c5705d2457b81fe7b5725 (diff) | |
| parent | 15dd859cacf312f606f54502d1f66537a1e5c78c (diff) | |
Merge branch 'x86/core' into x86/xsave
Diffstat (limited to 'include/linux/crash_dump.h')
| -rw-r--r-- | include/linux/crash_dump.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/crash_dump.h b/include/linux/crash_dump.h index 22c7ac5cd80..025e4f57510 100644 --- a/include/linux/crash_dump.h +++ b/include/linux/crash_dump.h @@ -8,7 +8,13 @@ #include <linux/proc_fs.h> #define ELFCORE_ADDR_MAX (-1ULL) + +#ifdef CONFIG_PROC_VMCORE extern unsigned long long elfcorehdr_addr; +#else +static const unsigned long long elfcorehdr_addr = ELFCORE_ADDR_MAX; +#endif + extern ssize_t copy_oldmem_page(unsigned long, char *, size_t, unsigned long, int); extern const struct file_operations proc_vmcore_operations; @@ -22,5 +28,13 @@ extern struct proc_dir_entry *proc_vmcore; #define vmcore_elf_check_arch(x) (elf_check_arch(x) || vmcore_elf_check_arch_cross(x)) +static inline int is_kdump_kernel(void) +{ + return (elfcorehdr_addr != ELFCORE_ADDR_MAX) ? 1 : 0; +} +#else /* !CONFIG_CRASH_DUMP */ +static inline int is_kdump_kernel(void) { return 0; } #endif /* CONFIG_CRASH_DUMP */ + +extern unsigned long saved_max_pfn; #endif /* LINUX_CRASHDUMP_H */ |