__sum 42 arch/ia64/include/uapi/asm/intel_intrin.h #define ia64_sum __sum __sum 114 kernel/locking/percpu-rwsem.c typeof(var) __sum = 0; \ __sum 116 kernel/locking/percpu-rwsem.c compiletime_assert_atomic_type(__sum); \ __sum 118 kernel/locking/percpu-rwsem.c __sum += per_cpu(var, cpu); \ __sum 119 kernel/locking/percpu-rwsem.c __sum; \