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| author | Yaowei Bai <baiyaowei@cmss.chinamobile.com> | 2018-02-06 15:41:38 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-02-06 18:32:47 -0800 |
| commit | 2650cb0c3ba7eb93d4c9af632549a93110c91af7 (patch) | |
| tree | b9b3cd78fcd629bbf61cc2e2953583000a647c80 /include | |
| parent | db076bef2da1f81bf918fc0b24ebed5756fbae5a (diff) | |
| download | linux-2650cb0c3ba7eb93d4c9af632549a93110c91af7.tar.gz linux-2650cb0c3ba7eb93d4c9af632549a93110c91af7.tar.bz2 linux-2650cb0c3ba7eb93d4c9af632549a93110c91af7.zip | |
crash_dump: is_kdump_kernel can be boolean
Make is_kdump_kernel return bool due to this particular function only
using either one or zero as its return value.
No functional change.
Link: http://lkml.kernel.org/r/1513308799-19232-8-git-send-email-baiyaowei@cmss.chinamobile.com
Signed-off-by: Yaowei Bai <baiyaowei@cmss.chinamobile.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/crash_dump.h | 12 |
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 @@ #ifndef LINUX_CRASH_DUMP_H #define LINUX_CRASH_DUMP_H -#ifdef CONFIG_CRASH_DUMP #include <linux/kexec.h> #include <linux/proc_fs.h> #include <linux/elf.h> #include <asm/pgtable.h> /* for pgprot_t */ +#ifdef CONFIG_CRASH_DUMP #define ELFCORE_ADDR_MAX (-1ULL) #define ELFCORE_ADDR_ERR (-2ULL) @@ -52,13 +52,13 @@ void vmcore_cleanup(void); * has passed the elf core header address on command line. * * This is not just a test if CONFIG_CRASH_DUMP is enabled or not. It will - * return 1 if CONFIG_CRASH_DUMP=y and if kernel is booting after a panic of - * previous kernel. + * return true if CONFIG_CRASH_DUMP=y and if kernel is booting after a panic + * of previous kernel. */ -static inline int is_kdump_kernel(void) +static inline bool is_kdump_kernel(void) { - return (elfcorehdr_addr != ELFCORE_ADDR_MAX) ? 1 : 0; + return elfcorehdr_addr != ELFCORE_ADDR_MAX; } /* 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)); extern void unregister_oldmem_pfn_is_ram(void); #else /* !CONFIG_CRASH_DUMP */ -static inline int is_kdump_kernel(void) { return 0; } +static inline bool is_kdump_kernel(void) { return 0; } #endif /* CONFIG_CRASH_DUMP */ extern unsigned long saved_max_pfn; |