RING_BUFFER_WRITABLE 5869 kernel/events/core.c flags |= RING_BUFFER_WRITABLE; RING_BUFFER_WRITABLE 314 kernel/events/ring_buffer.c if (flags & RING_BUFFER_WRITABLE) RING_BUFFER_WRITABLE 632 kernel/events/ring_buffer.c bool overwrite = !(flags & RING_BUFFER_WRITABLE);