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| author | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-07-27 19:25:57 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-07-27 19:25:57 +0400 |
| commit | 50cb993ea6cd187bfed085cb3e0747066edeb02f (patch) | |
| tree | 61edac62c6c5bc07c59e4369c50c6821ad77f2c0 /include/linux/crash_dump.h | |
| parent | 445c2714cf72817ab1ad3ca894c6d9b2047b3a3e (diff) | |
| parent | 8be1a6d6c77ab4532e4476fdb8177030ef48b52c (diff) | |
| download | linux-50cb993ea6cd187bfed085cb3e0747066edeb02f.tar.xz | |
Merge ../linux-2.6
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 22c7ac5cd80c..025e4f575103 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 */ |