cpumask: let num_*_cpus() function always return unsigned values

Dependent on CONFIG_SMP the num_*_cpus() functions return unsigned or signed values. Let them always return unsigned values to avoid strange casts. Fixes at least one warning: kernel/kprobes.c: In function 'register_kretprobe': kernel/kprobes.c:1038: warning: comparison of distinct pointer types lacks a cast Signed-off-by: Heiko Carstens <[email protected]> Cc: Heiko Carstens <[email protected]> Cc: Ananth N Mavinakayanahalli <[email protected]> Cc: Masami Hiramatsu <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Rusty Russell <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
niw · Mar 6, 2010 · 221e3eb · 221e3eb
1 parent 8aaed5b
commit 221e3eb
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
@@ -90,10 +90,10 @@ extern const struct cpumask *const cpu_active_mask;
 #define cpu_present(cpu)	cpumask_test_cpu((cpu), cpu_present_mask)
 #define cpu_active(cpu)		cpumask_test_cpu((cpu), cpu_active_mask)
 #else
-#define num_online_cpus()	1
-#define num_possible_cpus()	1
-#define num_present_cpus()	1
-#define num_active_cpus()	1
+#define num_online_cpus()	1U
+#define num_possible_cpus()	1U
+#define num_present_cpus()	1U
+#define num_active_cpus()	1U
 #define cpu_online(cpu)		((cpu) == 0)
 #define cpu_possible(cpu)	((cpu) == 0)
 #define cpu_present(cpu)	((cpu) == 0)