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Commit 4b804c85 authored by Rasmus Villemoes's avatar Rasmus Villemoes Committed by Linus Torvalds
Browse files

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: default avatarRasmus Villemoes <linux@rasmusvillemoes.dk>
Acked-by: default avatarRusty Russell <rusty@rustcorp.com.au>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent c4c54dd1

include/linux/cpumask.h

+4 −0
Original line number Original line Diff line number Diff line
@@ -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_online_mask;

extern const struct cpumask *const cpu_present_mask;

extern const struct cpumask *const cpu_present_mask;

extern const struct cpumask *const cpu_active_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

#if NR_CPUS > 1

#define num_online_cpus()	cpumask_weight(cpu_online_mask)

#define num_online_cpus()	cpumask_weight(cpu_online_mask)

kernel/cpu.c

+9 −5
Original line number Original line Diff line number Diff line
@@ -759,23 +759,27 @@ const DECLARE_BITMAP(cpu_all_bits, NR_CPUS) = CPU_BITS_ALL; 
EXPORT_SYMBOL(cpu_all_bits);

EXPORT_SYMBOL(cpu_all_bits);





#ifdef CONFIG_INIT_ALL_POSSIBLE

#ifdef CONFIG_INIT_ALL_POSSIBLE

static struct cpumask __cpu_possible_mask __read_mostly

struct cpumask __cpu_possible_mask __read_mostly

	= {CPU_BITS_ALL};

	= {CPU_BITS_ALL};

#else

#else

static struct cpumask __cpu_possible_mask __read_mostly;

struct cpumask __cpu_possible_mask __read_mostly;

#endif

#endif

EXPORT_SYMBOL(__cpu_possible_mask);

const struct cpumask *const cpu_possible_mask = &__cpu_possible_mask;

const struct cpumask *const cpu_possible_mask = &__cpu_possible_mask;

EXPORT_SYMBOL(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;

const struct cpumask *const cpu_online_mask = &__cpu_online_mask;

EXPORT_SYMBOL(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;

const struct cpumask *const cpu_present_mask = &__cpu_present_mask;

EXPORT_SYMBOL(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;

const struct cpumask *const cpu_active_mask = &__cpu_active_mask;

EXPORT_SYMBOL(cpu_active_mask);

EXPORT_SYMBOL(cpu_active_mask);