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Diffstat (limited to 'include/linux/percpu_counter.h')
-rw-r--r--include/linux/percpu_counter.h18
1 files changed, 17 insertions, 1 deletions
diff --git a/include/linux/percpu_counter.h b/include/linux/percpu_counter.h
index dd89eb978393..21e054595bcb 100644
--- a/include/linux/percpu_counter.h
+++ b/include/linux/percpu_counter.h
@@ -34,13 +34,24 @@ void percpu_counter_init(struct percpu_counter *fbc, s64 amount);
void percpu_counter_destroy(struct percpu_counter *fbc);
void percpu_counter_set(struct percpu_counter *fbc, s64 amount);
void __percpu_counter_add(struct percpu_counter *fbc, s64 amount, s32 batch);
-s64 percpu_counter_sum_positive(struct percpu_counter *fbc);
+s64 __percpu_counter_sum(struct percpu_counter *fbc);
static inline void percpu_counter_add(struct percpu_counter *fbc, s64 amount)
{
__percpu_counter_add(fbc, amount, FBC_BATCH);
}
+static inline s64 percpu_counter_sum_positive(struct percpu_counter *fbc)
+{
+ s64 ret = __percpu_counter_sum(fbc);
+ return ret < 0 ? 0 : ret;
+}
+
+static inline s64 percpu_counter_sum(struct percpu_counter *fbc)
+{
+ return __percpu_counter_sum(fbc);
+}
+
static inline s64 percpu_counter_read(struct percpu_counter *fbc)
{
return fbc->count;
@@ -107,6 +118,11 @@ static inline s64 percpu_counter_sum_positive(struct percpu_counter *fbc)
return percpu_counter_read_positive(fbc);
}
+static inline s64 percpu_counter_sum(struct percpu_counter *fbc)
+{
+ return percpu_counter_read(fbc);
+}
+
#endif /* CONFIG_SMP */
static inline void percpu_counter_inc(struct percpu_counter *fbc)