On Mon 27-05-13 07:51:38, Wanpeng Li wrote: > On Sun, May 26, 2013 at 08:12:09PM +0200, Michal Hocko wrote: > >On Sun 26-05-13 17:06:17, Wanpeng Li wrote: > >> On Sun, May 26, 2013 at 11:00:54AM +0200, Michal Hocko wrote: > >> >On Sun 26-05-13 13:58:38, Wanpeng Li wrote: > >> >> As KOSAKI Motohiro mentioned, memory hotplug don't support 32bit since > >> >> it was born, > >> > > >> >Why? any reference? This reasoning is really weak. > >> > > >> > >> http://marc.info/?l=linux-mm&m=136953099010171&w=2 > > > >I have seen the email but that email just states that the feature is > >broken. Maybe it is obvious to you _what_ is actually broken but it > >doesn't need to be others especially those who would be reading such > >changelog later. So if you consider this configuration broken then be > >specific what is broken. > > > > Sorry for the not enough information. KOSAKI explain more here: > http://marc.info/?l=linux-mm&m=136958040921274&w=2 There are still just general claims that _something_ is not highmem aware. Anyway, as it seems that there are some attempts to revive this code then this discussion is moot. But, just for the future, make sure you are really specific when you claim that something is broken. Somebody said it was broken is _not_ a reasoning that would fly. -- Michal Hocko SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html