From: "Mike Rapoport (Microsoft)" Move calculations of zone limits to a dedicated arch_zone_limits_init() function. Later MM core will use this function as an architecture specific callback during nodes and zones initialization and thus there won't be a need to call free_area_init() from every architecture. Signed-off-by: Mike Rapoport (Microsoft) --- arch/arm/mm/init.c | 19 ++++++++++++------- 1 file changed, 12 insertions(+), 7 deletions(-) diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 54bdca025c9f..bdcc3639681f 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -107,18 +107,23 @@ void __init setup_dma_zone(const struct machine_desc *mdesc) #endif } -static void __init zone_sizes_init(unsigned long min, unsigned long max_low, - unsigned long max_high) +void __init arch_zone_limits_init(unsigned long *max_zone_pfn) { - unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0 }; - #ifdef CONFIG_ZONE_DMA - max_zone_pfn[ZONE_DMA] = min(arm_dma_pfn_limit, max_low); + max_zone_pfn[ZONE_DMA] = min(arm_dma_pfn_limit, max_low_pfn); #endif - max_zone_pfn[ZONE_NORMAL] = max_low; + max_zone_pfn[ZONE_NORMAL] = max_low_pfn; #ifdef CONFIG_HIGHMEM - max_zone_pfn[ZONE_HIGHMEM] = max_high; + max_zone_pfn[ZONE_HIGHMEM] = max_pfn; #endif +} + +static void __init zone_sizes_init(unsigned long min, unsigned long max_low, + unsigned long max_high) +{ + unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0 }; + + arch_zone_limits_init(max_zone_pfn); free_area_init(max_zone_pfn); } -- 2.51.0