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ipc/shm.c: is_file_shm_hugepages() can be boolean

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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>
This commit is contained in:
Yaowei Bai 2016-01-20 15:01:11 -08:00 committed by Linus Torvalds
parent 06af1c52c9
commit 2954e440be
2 changed files with 4 additions and 4 deletions
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6
include/linux/shm.h
View file

@ -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)
{

2
ipc/shm.c
View file

@ -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;
}