diff options
Diffstat (limited to 'kernel/kexec_internal.h')
| -rw-r--r-- | kernel/kexec_internal.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/kexec_internal.h b/kernel/kexec_internal.h index 74da1409cd14..d35d9792402d 100644 --- a/kernel/kexec_internal.h +++ b/kernel/kexec_internal.h @@ -4,6 +4,8 @@ #include <linux/kexec.h> +struct kexec_segment; + struct kimage *do_kimage_alloc_init(void); int sanity_check_segment_list(struct kimage *image); void kimage_free_page_list(struct list_head *list); @@ -21,7 +23,8 @@ int kimage_is_destination_range(struct kimage *image, extern atomic_t __kexec_lock; static inline bool kexec_trylock(void) { - return atomic_cmpxchg_acquire(&__kexec_lock, 0, 1) == 0; + int old = 0; + return atomic_try_cmpxchg_acquire(&__kexec_lock, &old, 1); } static inline void kexec_unlock(void) { |