[PATCH v3] apparmor: Use a memory pool instead per-CPU caches

[Tetsuo Handa]

On 2019/05/03 20:51, Sebastian Andrzej Siewior wrote:
> +void aa_put_buffer(char *buf)
> +{
> +	union aa_buffer *aa_buf;
> +

buf == NULL if aa_put_buffer() was called due to aa_get_buffer() == NULL.

> +	aa_buf = container_of(buf, union aa_buffer, buffer[0]);
> +
> +	spin_lock(&aa_buffers_lock);
> +	list_add(&aa_buf->list, &aa_global_buffers);
> +	spin_unlock(&aa_buffers_lock);
> +}
> +
>  /*
>   * AppArmor init functions
>   */