Re: [PATCH v2] arm64: mm: make CONFIG_ZONE_DMA32 configurable

2019-06-04 Thread Catalin Marinas
On Wed, May 29, 2019 at 12:08:20AM +0800, Miles Chen wrote: > This change makes CONFIG_ZONE_DMA32 defuly y and allows users > to overwrite it only when CONFIG_EXPERT=y. > > For the SoCs that do not need CONFIG_ZONE_DMA32, this is the > first step to manage all available memory by a single > zone(n

[PATCH v2] arm64: mm: make CONFIG_ZONE_DMA32 configurable

2019-05-28 Thread Miles Chen
This change makes CONFIG_ZONE_DMA32 defuly y and allows users to overwrite it only when CONFIG_EXPERT=y. For the SoCs that do not need CONFIG_ZONE_DMA32, this is the first step to manage all available memory by a single zone(normal zone) to reduce the overhead of multiple zones. The change also f