70 	fbc->count = amount;  in percpu_counter_set()
89 	s64 count;  in percpu_counter_add_batch()  local
93 	count = __this_cpu_read(*fbc->counters) + amount;  in percpu_counter_add_batch()
94 	if (abs(count) >= batch) {  in percpu_counter_add_batch()
96 		fbc->count += count;  in percpu_counter_add_batch()
97 		__this_cpu_sub(*fbc->counters, count - amount);  in percpu_counter_add_batch()
107  * For percpu_counter with a big batch, the devication of its count could
115 	s64 count;  in percpu_counter_sync()  local
118 	count = __this_cpu_read(*fbc->counters);  in percpu_counter_sync()
119 	fbc->count += count;  in percpu_counter_sync()
120 	__this_cpu_sub(*fbc->counters, count);  in percpu_counter_sync()
132  * notifier called to fold the percpu count back into the global counter sum.
144 	ret = fbc->count;  in __percpu_counter_sum()
177 		fbc[i].count = amount;  in __percpu_counter_init_many()
245 		fbc->count += *pcount;  in percpu_counter_cpu_dead()
260 	s64	count;  in __percpu_counter_compare()  local
262 	count = percpu_counter_read(fbc);  in __percpu_counter_compare()
263 	/* Check to see if rough count will be sufficient for comparison */  in __percpu_counter_compare()
264 	if (abs(count - rhs) > (batch * num_online_cpus())) {  in __percpu_counter_compare()
265 		if (count > rhs)  in __percpu_counter_compare()
270 	/* Need to use precise count */  in __percpu_counter_compare()
271 	count = percpu_counter_sum(fbc);  in __percpu_counter_compare()
272 	if (count > rhs)  in __percpu_counter_compare()
274 	else if (count < rhs)  in __percpu_counter_compare()
296 	s64 count;  in __percpu_counter_limited_add()  local
306 	count = __this_cpu_read(*fbc->counters);  in __percpu_counter_limited_add()
309 	if (abs(count + amount) <= batch &&  in __percpu_counter_limited_add()
310 	    ((amount > 0 && fbc->count + unknown <= limit) ||  in __percpu_counter_limited_add()
311 	     (amount < 0 && fbc->count - unknown >= limit))) {  in __percpu_counter_limited_add()
318 	count = fbc->count + amount;  in __percpu_counter_limited_add()
322 		if (count - unknown > limit)  in __percpu_counter_limited_add()
324 		if (count + unknown <= limit)  in __percpu_counter_limited_add()
327 		if (count + unknown < limit)  in __percpu_counter_limited_add()
329 		if (count - unknown >= limit)  in __percpu_counter_limited_add()
339 			count += *pcount;  in __percpu_counter_limited_add()
342 			if (count > limit)  in __percpu_counter_limited_add()
345 			if (count < limit)  in __percpu_counter_limited_add()
351 	count = __this_cpu_read(*fbc->counters);  in __percpu_counter_limited_add()
352 	fbc->count += count + amount;  in __percpu_counter_limited_add()
353 	__this_cpu_sub(*fbc->counters, count);  in __percpu_counter_limited_add()