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Commit 9425676a authored by Rasmus Villemoes's avatar Rasmus Villemoes Committed by Linus Torvalds
Browse files

kernel/cpu.c: make set_cpu_* static inlines 



Almost all callers of the set_cpu_* functions pass an explicit true or
false.  Making them static inline thus replaces the function calls with a
simple set_bit/clear_bit, saving some .text.

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 5aec01b8

include/linux/cpumask.h

+39 −4
Original line number Diff line number Diff line
@@ -720,14 +720,49 @@ extern const DECLARE_BITMAP(cpu_all_bits, NR_CPUS); 
#define for_each_present_cpu(cpu)  for_each_cpu((cpu), cpu_present_mask)



/* Wrappers for arch boot code to manipulate normally-constant masks */

void set_cpu_possible(unsigned int cpu, bool possible);

void set_cpu_present(unsigned int cpu, bool present);

void set_cpu_online(unsigned int cpu, bool online);

void set_cpu_active(unsigned int cpu, bool active);

void init_cpu_present(const struct cpumask *src);

void init_cpu_possible(const struct cpumask *src);

void init_cpu_online(const struct cpumask *src);



static inline void

set_cpu_possible(unsigned int cpu, bool possible)

{

	if (possible)

		cpumask_set_cpu(cpu, &__cpu_possible_mask);

	else

		cpumask_clear_cpu(cpu, &__cpu_possible_mask);

}



static inline void

set_cpu_present(unsigned int cpu, bool present)

{

	if (present)

		cpumask_set_cpu(cpu, &__cpu_present_mask);

	else

		cpumask_clear_cpu(cpu, &__cpu_present_mask);

}



static inline void

set_cpu_online(unsigned int cpu, bool online)

{

	if (online) {

		cpumask_set_cpu(cpu, &__cpu_online_mask);

		cpumask_set_cpu(cpu, &__cpu_active_mask);

	} else {

		cpumask_clear_cpu(cpu, &__cpu_online_mask);

	}

}



static inline void

set_cpu_active(unsigned int cpu, bool active)

{

	if (active)

		cpumask_set_cpu(cpu, &__cpu_active_mask);

	else

		cpumask_clear_cpu(cpu, &__cpu_active_mask);

}





/**

 * to_cpumask - convert an NR_CPUS bitmap to a struct cpumask *

 * @bitmap: the bitmap

kernel/cpu.c

+0 −34
Original line number Diff line number Diff line
@@ -775,40 +775,6 @@ EXPORT_SYMBOL(__cpu_present_mask); 
struct cpumask __cpu_active_mask __read_mostly;

EXPORT_SYMBOL(__cpu_active_mask);



void set_cpu_possible(unsigned int cpu, bool possible)

{

	if (possible)

		cpumask_set_cpu(cpu, &__cpu_possible_mask);

	else

		cpumask_clear_cpu(cpu, &__cpu_possible_mask);

}



void set_cpu_present(unsigned int cpu, bool present)

{

	if (present)

		cpumask_set_cpu(cpu, &__cpu_present_mask);

	else

		cpumask_clear_cpu(cpu, &__cpu_present_mask);

}



void set_cpu_online(unsigned int cpu, bool online)

{

	if (online) {

		cpumask_set_cpu(cpu, &__cpu_online_mask);

		cpumask_set_cpu(cpu, &__cpu_active_mask);

	} else {

		cpumask_clear_cpu(cpu, &__cpu_online_mask);

	}

}



void set_cpu_active(unsigned int cpu, bool active)

{

	if (active)

		cpumask_set_cpu(cpu, &__cpu_active_mask);

	else

		cpumask_clear_cpu(cpu, &__cpu_active_mask);

}



void init_cpu_present(const struct cpumask *src)

{

	cpumask_copy(&__cpu_present_mask, src);