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kernel/cpu.c: export __cpu_*_mask

Exporting the cpumasks __cpu_possible_mask and friends will allow us to
remove the extra indirection through the cpu_*_mask variables.  It will
also allow the set_cpu_* functions to become static inlines, which will
give a .text reduction.

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>
Rasmus Villemoes 9 years ago
parent
c4c54dd1ca
commit
4b804c85dc
2 changed files with 13 additions and 5 deletions
Split View Show Diff Stats
  1. 4 0
      include/linux/cpumask.h
  2. 9 5
      kernel/cpu.c

+ 4 - 0
include/linux/cpumask.h
View File 

@@ -89,6 +89,10 @@ 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;
 
 
 #if NR_CPUS > 1
 
 #define num_online_cpus()	cpumask_weight(cpu_online_mask)

+ 9 - 5
kernel/cpu.c
View File 

@@ -759,23 +759,27 @@ const DECLARE_BITMAP(cpu_all_bits, NR_CPUS) = CPU_BITS_ALL;
 
 EXPORT_SYMBOL(cpu_all_bits);
 
 
 #ifdef CONFIG_INIT_ALL_POSSIBLE
 
-static struct cpumask __cpu_possible_mask __read_mostly
 
+struct cpumask __cpu_possible_mask __read_mostly
 
 	= {CPU_BITS_ALL};
 
 #else
 
-static 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);
 
 
-static struct cpumask __cpu_online_mask __read_mostly;
 
+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);
 
 
-static struct cpumask __cpu_present_mask __read_mostly;
 
+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);
 
 
-static struct cpumask __cpu_active_mask __read_mostly;
 
+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);