diff options
| author | Yaowei Bai <baiyaowei@cmss.chinamobile.com> | 2016-01-20 15:01:11 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-20 17:09:18 -0800 |
| commit | 2954e440be7305134be632a94536b412899490f7 (patch) | |
| tree | b9f69c4b8bde985621c0184a229e1793d9ffcd76 | |
| parent | 06af1c52c9ea234e0b1266cc0b52c3e0c6c8fe9f (diff) | |
ipc/shm.c: is_file_shm_hugepages() can be boolean
Make is_file_shm_hugepages() return bool to improve readability due to
this particular function only using either one or zero as its return
value.
No functional change.
Signed-off-by: Yaowei Bai <baiyaowei@cmss.chinamobile.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | include/linux/shm.h | 6 | ||||
| -rw-r--r-- | ipc/shm.c | 2 |
2 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/shm.h b/include/linux/shm.h index 6fb801686ad6..04e881829625 100644 --- a/include/linux/shm.h +++ b/include/linux/shm.h @@ -52,7 +52,7 @@ struct sysv_shm { long do_shmat(int shmid, char __user *shmaddr, int shmflg, unsigned long *addr, unsigned long shmlba); -int is_file_shm_hugepages(struct file *file); +bool is_file_shm_hugepages(struct file *file); void exit_shm(struct task_struct *task); #define shm_init_task(task) INIT_LIST_HEAD(&(task)->sysvshm.shm_clist) #else @@ -66,9 +66,9 @@ static inline long do_shmat(int shmid, char __user *shmaddr, { return -ENOSYS; } -static inline int is_file_shm_hugepages(struct file *file) +static inline bool is_file_shm_hugepages(struct file *file) { - return 0; + return false; } static inline void exit_shm(struct task_struct *task) { diff --git a/ipc/shm.c b/ipc/shm.c index 41787276e141..ed3027d0f277 100644 --- a/ipc/shm.c +++ b/ipc/shm.c @@ -459,7 +459,7 @@ static const struct file_operations shm_file_operations_huge = { .fallocate = shm_fallocate, }; -int is_file_shm_hugepages(struct file *file) +bool is_file_shm_hugepages(struct file *file) { return file->f_op == &shm_file_operations_huge; } |