On Mon, 2010-03-29 at 12:11 -0700, David Miller wrote: > From: Yinghai Lu <yinghai@xxxxxxxxxx> > Date: Mon, 29 Mar 2010 11:39:52 -0700 > > > On 03/29/2010 11:34 AM, David Miller wrote: > >> From: Yinghai Lu <yinghai@xxxxxxxxxx> > >> Date: Mon, 29 Mar 2010 09:20:28 -0700 > >> > >>> BTW, it seems only PowerPC need to keep lmb after init stage, right ? > >> > >> For now. Sparc64 will need it at some point in the future. > > > > for memory hotplug support? > > Yes. We also can use it to implement page_is_ram() which might help get /dev/mem cachability setting right by default one day :-) However, we only need to keep the memory list, not the reserve list. Cheers, Ben. -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
