diff options
Diffstat (limited to 'arch/arm/mm/init.c')
| -rw-r--r-- | arch/arm/mm/init.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 91a468225853..97c293e1897d 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -153,7 +153,6 @@ EXPORT_SYMBOL(arm_dma_zone_size); * allocations. This must be the smallest DMA mask in the system, * so a successful GFP_DMA allocation will always satisfy this. */ -phys_addr_t arm_dma_limit; unsigned long arm_dma_pfn_limit; static void __init arm_adjust_dma_zone(unsigned long *size, unsigned long *hole, @@ -172,6 +171,8 @@ static void __init arm_adjust_dma_zone(unsigned long *size, unsigned long *hole, void __init setup_dma_zone(const struct machine_desc *mdesc) { #ifdef CONFIG_ZONE_DMA + phys_addr_t arm_dma_limit; + if (mdesc->dma_zone_size) { arm_dma_zone_size = mdesc->dma_zone_size; arm_dma_limit = PHYS_OFFSET + arm_dma_zone_size - 1; @@ -329,7 +330,8 @@ void __init arm_memblock_init(struct meminfo *mi, * reserve memory for DMA contigouos allocations, * must come from DMA area inside low memory */ - dma_contiguous_reserve(min(arm_dma_limit, arm_lowmem_limit)); + dma_contiguous_reserve(min((phys_addr_t)arm_dma_pfn_limit << PAGE_SHIFT, + arm_lowmem_limit)); arm_memblock_steal_permitted = false; memblock_dump_all(); |