30 int __percpu_counter_init(struct percpu_counter *fbc, s64 amount, gfp_t gfp,
33 #define percpu_counter_init(fbc, value, gfp)				\  argument
37 		__percpu_counter_init(fbc, value, gfp, &__key);		\
40 void percpu_counter_destroy(struct percpu_counter *fbc);
41 void percpu_counter_set(struct percpu_counter *fbc, s64 amount);
42 void __percpu_counter_add(struct percpu_counter *fbc, s64 amount, s32 batch);
43 s64 __percpu_counter_sum(struct percpu_counter *fbc);
44 int __percpu_counter_compare(struct percpu_counter *fbc, s64 rhs, s32 batch);
46 static inline int percpu_counter_compare(struct percpu_counter *fbc, s64 rhs)  in percpu_counter_compare()  argument
48 	return __percpu_counter_compare(fbc, rhs, percpu_counter_batch);  in percpu_counter_compare()
51 static inline void percpu_counter_add(struct percpu_counter *fbc, s64 amount)  in percpu_counter_add()  argument
53 	__percpu_counter_add(fbc, amount, percpu_counter_batch);  in percpu_counter_add()
56 static inline s64 percpu_counter_sum_positive(struct percpu_counter *fbc)  in percpu_counter_sum_positive()  argument
58 	s64 ret = __percpu_counter_sum(fbc);  in percpu_counter_sum_positive()
62 static inline s64 percpu_counter_sum(struct percpu_counter *fbc)  in percpu_counter_sum()  argument
64 	return __percpu_counter_sum(fbc);  in percpu_counter_sum()
67 static inline s64 percpu_counter_read(struct percpu_counter *fbc)  in percpu_counter_read()  argument
69 	return fbc->count;  in percpu_counter_read()
77 static inline s64 percpu_counter_read_positive(struct percpu_counter *fbc)  in percpu_counter_read_positive()  argument
79 	s64 ret = fbc->count;  in percpu_counter_read_positive()
87 static inline int percpu_counter_initialized(struct percpu_counter *fbc)  in percpu_counter_initialized()  argument
89 	return (fbc->counters != NULL);  in percpu_counter_initialized()
98 static inline int percpu_counter_init(struct percpu_counter *fbc, s64 amount,  in percpu_counter_init()  argument
101 	fbc->count = amount;  in percpu_counter_init()
105 static inline void percpu_counter_destroy(struct percpu_counter *fbc)  in percpu_counter_destroy()  argument
109 static inline void percpu_counter_set(struct percpu_counter *fbc, s64 amount)  in percpu_counter_set()  argument
111 	fbc->count = amount;  in percpu_counter_set()
114 static inline int percpu_counter_compare(struct percpu_counter *fbc, s64 rhs)  in percpu_counter_compare()  argument
116 	if (fbc->count > rhs)  in percpu_counter_compare()
118 	else if (fbc->count < rhs)  in percpu_counter_compare()
125 __percpu_counter_compare(struct percpu_counter *fbc, s64 rhs, s32 batch)  in __percpu_counter_compare()  argument
127 	return percpu_counter_compare(fbc, rhs);  in __percpu_counter_compare()
131 percpu_counter_add(struct percpu_counter *fbc, s64 amount)  in percpu_counter_add()  argument
134 	fbc->count += amount;  in percpu_counter_add()
139 __percpu_counter_add(struct percpu_counter *fbc, s64 amount, s32 batch)  in __percpu_counter_add()  argument
141 	percpu_counter_add(fbc, amount);  in __percpu_counter_add()
144 static inline s64 percpu_counter_read(struct percpu_counter *fbc)  in percpu_counter_read()  argument
146 	return fbc->count;  in percpu_counter_read()
153 static inline s64 percpu_counter_read_positive(struct percpu_counter *fbc)  in percpu_counter_read_positive()  argument
155 	return fbc->count;  in percpu_counter_read_positive()
158 static inline s64 percpu_counter_sum_positive(struct percpu_counter *fbc)  in percpu_counter_sum_positive()  argument
160 	return percpu_counter_read_positive(fbc);  in percpu_counter_sum_positive()
163 static inline s64 percpu_counter_sum(struct percpu_counter *fbc)  in percpu_counter_sum()  argument
165 	return percpu_counter_read(fbc);  in percpu_counter_sum()
168 static inline int percpu_counter_initialized(struct percpu_counter *fbc)  in percpu_counter_initialized()  argument
175 static inline void percpu_counter_inc(struct percpu_counter *fbc)  in percpu_counter_inc()  argument
177 	percpu_counter_add(fbc, 1);  in percpu_counter_inc()
180 static inline void percpu_counter_dec(struct percpu_counter *fbc)  in percpu_counter_dec()  argument
182 	percpu_counter_add(fbc, -1);  in percpu_counter_dec()
185 static inline void percpu_counter_sub(struct percpu_counter *fbc, s64 amount)  in percpu_counter_sub()  argument
187 	percpu_counter_add(fbc, -amount);  in percpu_counter_sub()