76 int prop_descriptor_init(struct prop_descriptor *pd, int shift, gfp_t gfp)  in prop_descriptor_init()  argument
83 	pd->index = 0;  in prop_descriptor_init()
84 	pd->pg[0].shift = shift;  in prop_descriptor_init()
85 	mutex_init(&pd->mutex);  in prop_descriptor_init()
86 	err = percpu_counter_init(&pd->pg[0].events, 0, gfp);  in prop_descriptor_init()
90 	err = percpu_counter_init(&pd->pg[1].events, 0, gfp);  in prop_descriptor_init()
92 		percpu_counter_destroy(&pd->pg[0].events);  in prop_descriptor_init()
105 void prop_change_shift(struct prop_descriptor *pd, int shift)  in prop_change_shift()  argument
115 	mutex_lock(&pd->mutex);  in prop_change_shift()
117 	index = pd->index ^ 1;  in prop_change_shift()
118 	offset = pd->pg[pd->index].shift - shift;  in prop_change_shift()
122 	pd->pg[index].shift = shift;  in prop_change_shift()
125 	events = percpu_counter_sum(&pd->pg[pd->index].events);  in prop_change_shift()
130 	percpu_counter_set(&pd->pg[index].events, events);  in prop_change_shift()
136 	pd->index = index;  in prop_change_shift()
142 	mutex_unlock(&pd->mutex);  in prop_change_shift()
149 static struct prop_global *prop_get_global(struct prop_descriptor *pd)  in prop_get_global()  argument
155 	index = pd->index;  in prop_get_global()
160 	return &pd->pg[index];  in prop_get_global()
163 static void prop_put_global(struct prop_descriptor *pd, struct prop_global *pg)  in prop_put_global()  argument
256 void __prop_inc_percpu(struct prop_descriptor *pd, struct prop_local_percpu *pl)  in __prop_inc_percpu()  argument
258 	struct prop_global *pg = prop_get_global(pd);  in __prop_inc_percpu()
263 	prop_put_global(pd, pg);  in __prop_inc_percpu()
270 void __prop_inc_percpu_max(struct prop_descriptor *pd,  in __prop_inc_percpu_max()  argument
273 	struct prop_global *pg = prop_get_global(pd);  in __prop_inc_percpu_max()
295 	prop_put_global(pd, pg);  in __prop_inc_percpu_max()
303 void prop_fraction_percpu(struct prop_descriptor *pd,  in prop_fraction_percpu()  argument
307 	struct prop_global *pg = prop_get_global(pd);  in prop_fraction_percpu()
318 	prop_put_global(pd, pg);  in prop_fraction_percpu()
376 void __prop_inc_single(struct prop_descriptor *pd, struct prop_local_single *pl)  in __prop_inc_single()  argument
378 	struct prop_global *pg = prop_get_global(pd);  in __prop_inc_single()
383 	prop_put_global(pd, pg);  in __prop_inc_single()
391 void prop_fraction_single(struct prop_descriptor *pd,  in prop_fraction_single()  argument
395 	struct prop_global *pg = prop_get_global(pd);  in prop_fraction_single()
406 	prop_put_global(pd, pg);  in prop_fraction_single()