this_cpu_sub      519 include/linux/percpu-defs.h #define this_cpu_sub(pcp, val)		this_cpu_add(pcp, -(typeof(pcp))(val))
this_cpu_sub       37 tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/percpu.h #define this_cpu_sub(pcp, n) this_cpu_add(pcp, -(typeof(pcp)) (n))