rb_head_page_set 976 kernel/trace/ring_buffer.c return rb_head_page_set(cpu_buffer, head, prev, rb_head_page_set 985 kernel/trace/ring_buffer.c return rb_head_page_set(cpu_buffer, head, prev, rb_head_page_set 994 kernel/trace/ring_buffer.c return rb_head_page_set(cpu_buffer, head, prev,