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Commit ccb46000 authored by Andrew Morton's avatar Andrew Morton Committed by Linus Torvalds
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[PATCH] cpumask: uninline first_cpu() 



           text    data     bss     dec     hex filename
before: 3490577 1322408  360000 5172985  4eeef9 vmlinux
after:  3488027 1322496  360128 5170651  4ee5db vmlinux

Cc: Paul Jackson <pj@sgi.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 64b91379

include/linux/cpumask.h

+6 −5
Original line number Diff line number Diff line
@@ -212,11 +212,12 @@ static inline void __cpus_shift_left(cpumask_t *dstp, 
	bitmap_shift_left(dstp->bits, srcp->bits, n, nbits);

}



#define first_cpu(src) __first_cpu(&(src), NR_CPUS)

static inline int __first_cpu(const cpumask_t *srcp, int nbits)

{

	return min_t(int, nbits, find_first_bit(srcp->bits, nbits));

}

#ifdef CONFIG_SMP

int __first_cpu(const cpumask_t *srcp);

#define first_cpu(src) __first_cpu(&(src))

#else

#define first_cpu(src)	0

#endif



#define next_cpu(n, src) __next_cpu((n), &(src), NR_CPUS)

static inline int __next_cpu(int n, const cpumask_t *srcp, int nbits)

lib/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -7,6 +7,8 @@ lib-y := errno.o ctype.o string.o vsprintf.o cmdline.o \ 
	 idr.o div64.o int_sqrt.o bitmap.o extable.o prio_tree.o \

	 sha1.o



lib-$(CONFIG_SMP) += cpumask.o



lib-y	+= kobject.o kref.o kobject_uevent.o klist.o



obj-y += sort.o parser.o halfmd4.o iomap_copy.o

lib/cpumask.c

0 → 100644
+11 −0
Original line number Diff line number Diff line 
#include <linux/kernel.h>

#include <linux/bitops.h>

#include <linux/cpumask.h>

#include <linux/module.h>



int __first_cpu(const cpumask_t *srcp)

{

	return min_t(int, NR_CPUS, find_first_bit(srcp->bits, NR_CPUS));

}

EXPORT_SYMBOL(__first_cpu);