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authorAndrew Morton <akpm@osdl.org>2006-03-25 03:08:08 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-25 08:22:59 -0800
commitccb46000f4bb459777686611157ac0eac928704e (patch)
tree461e956d9e27a7afa7de64950f3186070ffa61f5 /lib
parent64b91379439ff0fb007bde90eb496299c14a9b2a (diff)
[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>
Diffstat (limited to 'lib')
-rw-r--r--lib/Makefile2
-rw-r--r--lib/cpumask.c11
2 files changed, 13 insertions, 0 deletions
diff --git a/lib/Makefile b/lib/Makefile
index 648b2c1242fd..f827e3c24ec0 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -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
diff --git a/lib/cpumask.c b/lib/cpumask.c
new file mode 100644
index 000000000000..1560d97390dd
--- /dev/null
+++ b/lib/cpumask.c
@@ -0,0 +1,11 @@
+#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);
+

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