On Fri, 8 Jan 2016 20:38:23 +0800 Wang Xiaoqiang <wangxq10@xxxxxxxxxx> wrote:
> Since can_do_mlock only return 1 or 0, so make it boolean.
>
> No functional change.
>
> ...
>
> --- a/mm/mlock.c
> +++ b/mm/mlock.c
> @@ -24,13 +24,13 @@
>
> #include "internal.h"
>
> -int can_do_mlock(void)
> +bool can_do_mlock(void)
> {
> if (rlimit(RLIMIT_MEMLOCK) != 0)
> - return 1;
> + return true;
> if (capable(CAP_IPC_LOCK))
> - return 1;
> - return 0;
> + return true;
> + return false;
> }
> EXPORT_SYMBOL(can_do_mlock);
Please never send untested patches. Ever.
--- a/include/linux/mm.h~mm-mlockc-change-can_do_mlock-return-value-type-to-boolean-fix
+++ a/include/linux/mm.h
@@ -1100,7 +1100,7 @@ static inline bool shmem_mapping(struct
}
#endif
-extern int can_do_mlock(void);
+extern bool can_do_mlock(void);
extern int user_shm_lock(size_t, struct user_struct *);
extern void user_shm_unlock(size_t, struct user_struct *);
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