On Mon, Jan 14, 2019 at 09:52:14AM +0800, lijiang wrote: > I would like to remove this variable and post again. No, you should remove the vmcoreinfo export too: kernel/crash_core.c:398: VMCOREINFO_OSRELEASE(init_uts_ns.name.release); after making sure userspace is not using it and *then* remove the documentation. But you can do that in a separate patch, so that it can be reverted if trouble. Thx. -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.