On Tue, Nov 01, 2016 at 03:58:32PM +0800, Chen Feng wrote: > Hello, I hava a question on cma zone. > > When we have cma zone, cma zone will be the highest zone of system. > > In android system, the most memory allocator is ION. Media system will > alloc unmovable memory from it. > > On low memory scene, will the CMA zone always do balance?
Allocation request for low zone (normal zone) would not cause CMA zone to be balanced since it isn't helpful. > Should we transmit the highest available zone to kswapd？ It is already done when necessary. Thanks.
