Lines Matching refs:fbc
15 void percpu_counter_set(struct percpu_counter *fbc, s64 amount)
19 spin_lock(&fbc->lock);
21 s32 *pcount = per_cpu_ptr(fbc->counters, cpu);
24 fbc->count = amount;
25 spin_unlock(&fbc->lock);
29 void __percpu_counter_add(struct percpu_counter *fbc, s64 amount, s32 batch)
35 pcount = per_cpu_ptr(fbc->counters, cpu);
38 spin_lock(&fbc->lock);
39 fbc->count += count;
41 spin_unlock(&fbc->lock);
53 s64 __percpu_counter_sum(struct percpu_counter *fbc)
58 spin_lock(&fbc->lock);
59 ret = fbc->count;
61 s32 *pcount = per_cpu_ptr(fbc->counters, cpu);
64 spin_unlock(&fbc->lock);
69 int __percpu_counter_init(struct percpu_counter *fbc, s64 amount,
72 spin_lock_init(&fbc->lock);
73 lockdep_set_class(&fbc->lock, key);
74 fbc->count = amount;
75 fbc->counters = alloc_percpu(s32);
76 if (!fbc->counters)
79 INIT_LIST_HEAD(&fbc->list);
81 list_add(&fbc->list, &percpu_counters);
88 void percpu_counter_destroy(struct percpu_counter *fbc)
90 if (!fbc->counters)
95 list_del(&fbc->list);
98 free_percpu(fbc->counters);
99 fbc->counters = NULL;
118 struct percpu_counter *fbc;
126 list_for_each_entry(fbc, &percpu_counters, list) {
130 spin_lock_irqsave(&fbc->lock, flags);
131 pcount = per_cpu_ptr(fbc->counters, cpu);
132 fbc->count += *pcount;
134 spin_unlock_irqrestore(&fbc->lock, flags);
145 int percpu_counter_compare(struct percpu_counter *fbc, s64 rhs)
149 count = percpu_counter_read(fbc);
158 count = percpu_counter_sum(fbc);