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(normal zone) to reduce the overhead of multiple zones. > > The change also fixes a build error when CONFIG_NUMA=y and > CONFIG_ZONE_DMA32=n. > > arch/arm64/mm/init.c:195:17: error: use of undeclared identifier 'ZONE_DMA32' > max_zone_pfns[ZONE_DMA32] = PFN_DOWN(max_zone_dma_phys()); > > Change since v1: > 1. only expose CONFIG_ZONE_DMA32 when CONFIG_EXPERT=y > 2. remove redundant IS_ENABLED(CONFIG_ZONE_DMA32) > > Cc: Robin Murphy <[email protected]> > Signed-off-by: Miles Chen <[email protected]>
Queued for 5.3. Thanks. -- Catalin
