diff options
| -rw-r--r-- | kernel/bpf/cpumask.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/kernel/bpf/cpumask.c b/kernel/bpf/cpumask.c index 77900cbbbd75..9876c5fe6c2a 100644 --- a/kernel/bpf/cpumask.c +++ b/kernel/bpf/cpumask.c @@ -45,6 +45,10 @@ __bpf_kfunc_start_defs(); * * bpf_cpumask_create() allocates memory using the BPF memory allocator, and * will not block. It may return NULL if no memory is available. + * + * Return: + * * A pointer to a new struct bpf_cpumask instance on success. + * * NULL if the BPF memory allocator is out of memory. */ __bpf_kfunc struct bpf_cpumask *bpf_cpumask_create(void) { @@ -71,6 +75,10 @@ __bpf_kfunc struct bpf_cpumask *bpf_cpumask_create(void) * Acquires a reference to a BPF cpumask. The cpumask returned by this function * must either be embedded in a map as a kptr, or freed with * bpf_cpumask_release(). + * + * Return: + * * The struct bpf_cpumask pointer passed to the function. + * */ __bpf_kfunc struct bpf_cpumask *bpf_cpumask_acquire(struct bpf_cpumask *cpumask) { @@ -106,6 +114,9 @@ CFI_NOSEAL(bpf_cpumask_release_dtor); * * Find the index of the first nonzero bit of the cpumask. A struct bpf_cpumask * pointer may be safely passed to this function. + * + * Return: + * * The index of the first nonzero bit in the struct cpumask. */ __bpf_kfunc u32 bpf_cpumask_first(const struct cpumask *cpumask) { @@ -119,6 +130,9 @@ __bpf_kfunc u32 bpf_cpumask_first(const struct cpumask *cpumask) * * Find the index of the first unset bit of the cpumask. A struct bpf_cpumask * pointer may be safely passed to this function. + * + * Return: + * * The index of the first zero bit in the struct cpumask. */ __bpf_kfunc u32 bpf_cpumask_first_zero(const struct cpumask *cpumask) { @@ -133,6 +147,9 @@ __bpf_kfunc u32 bpf_cpumask_first_zero(const struct cpumask *cpumask) * * Find the index of the first nonzero bit of the AND of two cpumasks. * struct bpf_cpumask pointers may be safely passed to @src1 and @src2. + * + * Return: + * * The index of the first bit that is nonzero in both cpumask instances. */ __bpf_kfunc u32 bpf_cpumask_first_and(const struct cpumask *src1, const struct cpumask *src2) @@ -414,6 +431,9 @@ __bpf_kfunc u32 bpf_cpumask_any_and_distribute(const struct cpumask *src1, * @cpumask: The cpumask being queried. * * Count the number of set bits in the given cpumask. + * + * Return: + * * The number of bits set in the mask. */ __bpf_kfunc u32 bpf_cpumask_weight(const struct cpumask *cpumask) { |