Merge branch 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull smp/hotplug fix from Thomas Gleixner:
 "Remove an unused variable which is a leftover from the notifier
  removal"

* 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  cpu/hotplug: Remove unused but set variable in _cpu_down()

path: root/tools/power/cpupower/lib/cpupower_intern.h

#define PATH_TO_CPU "/sys/devices/system/cpu/"
#define MAX_LINE_LEN 4096
#define SYSFS_PATH_MAX 255

unsigned int sysfs_read_file(const char *path, char *buf, size_t buflen);