Use mutex instead of semaphore in CAPI 2.0 driver

[linux.git] / include / linux / shm.h

diff --git a/include/linux/shm.h b/include/linux/shm.h
index a2c896ad0befa6819dbae3e1ffd47b1679597346..ad2e3af6599710d43269a7f4c243ebd90171925d 100644 (file)
--- a/include/linux/shm.h
+++ b/include/linux/shm.h
@@ -96,12 +96,17 @@ struct shmid_kernel /* private to the kernel */
 
 #ifdef CONFIG_SYSVIPC
 long do_shmat(int shmid, char __user *shmaddr, int shmflg, unsigned long *addr);
+extern int is_file_shm_hugepages(struct file *file);
 #else
 static inline long do_shmat(int shmid, char __user *shmaddr,
                                int shmflg, unsigned long *addr)
 {
        return -ENOSYS;
 }
+static inline int is_file_shm_hugepages(struct file *file)
+{
+       return 0;
+}
 #endif
 
 #endif /* __KERNEL__ */