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-rw-r--r--kernel/bounds.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/bounds.c b/kernel/bounds.c
index 0c9b862292b..e8ca97b5c38 100644
--- a/kernel/bounds.c
+++ b/kernel/bounds.c
@@ -10,6 +10,7 @@
#include <linux/mmzone.h>
#include <linux/kbuild.h>
#include <linux/page_cgroup.h>
+#include <linux/log2.h>
void foo(void)
{
@@ -17,5 +18,8 @@ void foo(void)
DEFINE(NR_PAGEFLAGS, __NR_PAGEFLAGS);
DEFINE(MAX_NR_ZONES, __MAX_NR_ZONES);
DEFINE(NR_PCG_FLAGS, __NR_PCG_FLAGS);
+#ifdef CONFIG_SMP
+ DEFINE(NR_CPUS_BITS, ilog2(CONFIG_NR_CPUS));
+#endif
/* End of constants */
}