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authorRasmus Villemoes <linux@rasmusvillemoes.dk>2016-01-20 15:00:25 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-01-20 17:09:18 -0800
commit5aec01b834fd6f8ca49d1aeede665b950d0c148e (patch)
tree045503272e743839d1e5fe08ba332c5e28d4547e
parent848e239155a17c5373e52278ff9a13b29867ea8a (diff)
downloadlinux-stericsson-5aec01b834fd6f8ca49d1aeede665b950d0c148e.tar.gz
kernel/cpu.c: eliminate cpu_*_mask
Replace the variables cpu_possible_mask, cpu_online_mask, cpu_present_mask and cpu_active_mask with macros expanding to expressions of the same type and value, eliminating some indirection. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Acked-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--include/linux/cpumask.h8
-rw-r--r--kernel/cpu.c8
2 files changed, 4 insertions, 12 deletions
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index d4545a1852f2..52ab539aefce 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -85,14 +85,14 @@ extern int nr_cpu_ids;
* only one CPU.
*/
-extern const struct cpumask *const cpu_possible_mask;
-extern const struct cpumask *const cpu_online_mask;
-extern const struct cpumask *const cpu_present_mask;
-extern const struct cpumask *const cpu_active_mask;
extern struct cpumask __cpu_possible_mask;
extern struct cpumask __cpu_online_mask;
extern struct cpumask __cpu_present_mask;
extern struct cpumask __cpu_active_mask;
+#define cpu_possible_mask ((const struct cpumask *)&__cpu_possible_mask)
+#define cpu_online_mask ((const struct cpumask *)&__cpu_online_mask)
+#define cpu_present_mask ((const struct cpumask *)&__cpu_present_mask)
+#define cpu_active_mask ((const struct cpumask *)&__cpu_active_mask)
#if NR_CPUS > 1
#define num_online_cpus() cpumask_weight(cpu_online_mask)
diff --git a/kernel/cpu.c b/kernel/cpu.c
index 35d1d45be8e9..8734fc74fcbc 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -765,23 +765,15 @@ struct cpumask __cpu_possible_mask __read_mostly
struct cpumask __cpu_possible_mask __read_mostly;
#endif
EXPORT_SYMBOL(__cpu_possible_mask);
-const struct cpumask *const cpu_possible_mask = &__cpu_possible_mask;
-EXPORT_SYMBOL(cpu_possible_mask);
struct cpumask __cpu_online_mask __read_mostly;
EXPORT_SYMBOL(__cpu_online_mask);
-const struct cpumask *const cpu_online_mask = &__cpu_online_mask;
-EXPORT_SYMBOL(cpu_online_mask);
struct cpumask __cpu_present_mask __read_mostly;
EXPORT_SYMBOL(__cpu_present_mask);
-const struct cpumask *const cpu_present_mask = &__cpu_present_mask;
-EXPORT_SYMBOL(cpu_present_mask);
struct cpumask __cpu_active_mask __read_mostly;
EXPORT_SYMBOL(__cpu_active_mask);
-const struct cpumask *const cpu_active_mask = &__cpu_active_mask;
-EXPORT_SYMBOL(cpu_active_mask);
void set_cpu_possible(unsigned int cpu, bool possible)
{