diff options
Diffstat (limited to 'lib/percpu-refcount.c')
| -rw-r--r-- | lib/percpu-refcount.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/lib/percpu-refcount.c b/lib/percpu-refcount.c index 4f6c6ebbbbde..0ba686b8fe57 100644 --- a/lib/percpu-refcount.c +++ b/lib/percpu-refcount.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-only -#define pr_fmt(fmt) "%s: " fmt "\n", __func__ +#define pr_fmt(fmt) "%s: " fmt, __func__ #include <linux/kernel.h> #include <linux/sched.h> @@ -50,9 +50,10 @@ static unsigned long __percpu *percpu_count_ptr(struct percpu_ref *ref) * @flags: PERCPU_REF_INIT_* flags * @gfp: allocation mask to use * - * Initializes @ref. If @flags is zero, @ref starts in percpu mode with a - * refcount of 1; analagous to atomic_long_set(ref, 1). See the - * definitions of PERCPU_REF_INIT_* flags for flag behaviors. + * Initializes @ref. @ref starts out in percpu mode with a refcount of 1 unless + * @flags contains PERCPU_REF_INIT_ATOMIC or PERCPU_REF_INIT_DEAD. These flags + * change the start state to atomic with the latter setting the initial refcount + * to 0. See the definitions of PERCPU_REF_INIT_* flags for flag behaviors. * * Note that @release must not sleep - it may potentially be called from RCU * callback context by percpu_ref_kill(). @@ -140,8 +141,8 @@ static void percpu_ref_switch_to_atomic_rcu(struct rcu_head *rcu) for_each_possible_cpu(cpu) count += *per_cpu_ptr(percpu_count, cpu); - pr_debug("global %ld percpu %ld", - atomic_long_read(&ref->count), (long)count); + pr_debug("global %lu percpu %lu\n", + atomic_long_read(&ref->count), count); /* * It's crucial that we sum the percpu counters _before_ adding the sum |