Shut up warnings in ipc/shm.c
PATCH 1/1 Shut up warnings in ipc/shm.c
Fix two warnings in ipc/shm.c
ipc/shm.c:122: warning: statement with no effectipc/shm.c:560: warning: statement with no effect
by converting the macros to empty inline functions. For safety, let's do all three. This also has the advantage that typechecking gets performed even without CONFIG_SHMEM enabled.
Signed-off-by Russell King <[email protected]>
include/linux/mm.h +18 -3
@@ -651,9 +651,24 @@ struct mempolicy *shmem_get_policy(strucint shmem_lock (struct file *file,int lock,struct user_struct *user);#else #define shmem_nopage filemap_nopage -#define shmem_lock (a, b, c) ({0;})/* always in memory, no need to lock */ -#define shmem_set_policy (a, b) (0) -#define shmem_get_policy (a, b) (NULL) + +static inline int shmem_lock (struct file *file,int lock, +struct user_struct *user) +{ +return 0 ; +} + +static inline int shmem_set_policy (struct vm_area_struct *vma, +struct mempolicy *new) +{ +return 0 ; +} + +static inline struct mempolicy *shmem_get_policy (struct vm_area_struct *vma, +unsigned long addr) +{ +return NULL ; +}#endif struct file *shmem_file_setup (char *name,loff_t size,unsigned long flags);
Signature · 1 line
Russell King