Commit 2954e440 authored by Yaowei Bai's avatar Yaowei Bai Committed by Linus Torvalds

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

No functional change.
Signed-off-by: default avatarYaowei Bai <>
Acked-by: default avatarMichal Hocko <>
Signed-off-by: default avatarAndrew Morton <>
Signed-off-by: default avatarLinus Torvalds <>
parent 06af1c52
......@@ -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)
......@@ -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)
......@@ -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;
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