On Wed, Dec 19, 2018 at 07:56:25AM +0100, Michal Hocko wrote: >On Tue 18-12-18 20:27:43, Wei Yang wrote: >[...] >> BTW, would this eat lower zone's memory? For example, has less DMA32? > >Yes I think so. If the distribution should be even and some node(s) span >only lower 32b address range then there is no other option than shrink >the DMA32 zone. There is a note > In the > event, a node is too small to have both ZONE_NORMAL and > ZONE_MOVABLE, kernelcore memory will take priority and > other nodes will have a larger ZONE_MOVABLE. >which explains that this might not be the case though. > >Btw. I have to say I quite do not like this interface not to mention the >implementation. THere are users to rely on it though so we cannot remove >it. There is a lot of room for cleanups there. Hmm... ok, thanks for your explanation. >-- >Michal Hocko >SUSE Labs -- Wei Yang Help you, Help me
