forked from Minki/linux
[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: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -212,11 +212,12 @@ static inline void __cpus_shift_left(cpumask_t *dstp,
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bitmap_shift_left(dstp->bits, srcp->bits, n, nbits);
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}
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#define first_cpu(src) __first_cpu(&(src), NR_CPUS)
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static inline int __first_cpu(const cpumask_t *srcp, int nbits)
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{
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return min_t(int, nbits, find_first_bit(srcp->bits, nbits));
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}
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#ifdef CONFIG_SMP
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int __first_cpu(const cpumask_t *srcp);
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#define first_cpu(src) __first_cpu(&(src))
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#else
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#define first_cpu(src) 0
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#endif
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#define next_cpu(n, src) __next_cpu((n), &(src), NR_CPUS)
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static inline int __next_cpu(int n, const cpumask_t *srcp, int nbits)
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@ -7,6 +7,8 @@ lib-y := errno.o ctype.o string.o vsprintf.o cmdline.o \
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idr.o div64.o int_sqrt.o bitmap.o extable.o prio_tree.o \
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sha1.o
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lib-$(CONFIG_SMP) += cpumask.o
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lib-y += kobject.o kref.o kobject_uevent.o klist.o
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obj-y += sort.o parser.o halfmd4.o iomap_copy.o
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11
lib/cpumask.c
Normal file
11
lib/cpumask.c
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@ -0,0 +1,11 @@
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#include <linux/kernel.h>
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#include <linux/bitops.h>
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#include <linux/cpumask.h>
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#include <linux/module.h>
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int __first_cpu(const cpumask_t *srcp)
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{
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return min_t(int, NR_CPUS, find_first_bit(srcp->bits, NR_CPUS));
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}
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EXPORT_SYMBOL(__first_cpu);
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