Messages in this thread | | | Date | Mon, 7 Nov 2016 15:15:00 +0900 | From | Joonsoo Kim <> | Subject | Re: [PATCH v6 2/6] mm/cma: introduce new zone, ZONE_CMA |
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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.
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