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ia64: replace ZONE_DMA with ZONE_DMA32 

ia64 uses ZONE_DMA for allocations below 32-bits.  These days we
name the zone for that ZONE_DMA32, which will allow to use the
dma-direct and generic swiotlb code as-is, so rename it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Christian König <christian.koenig@amd.com>
This commit is contained in:
Christoph Hellwig 2017-12-24 13:20:52 +01:00
parent 4bd89ed39b
commit d5c23ebf1b
4 changed files with 8 additions and 8 deletions
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2
arch/ia64/Kconfig
View File

@ -66,7 +66,7 @@ config 64BIT
select ATA_NONSTANDARD if ATA
default y
config ZONE_DMA
config ZONE_DMA32
def_bool y
depends on !IA64_SGI_SN2

2
arch/ia64/kernel/pci-swiotlb.c
View File

@ -20,7 +20,7 @@ static void *ia64_swiotlb_alloc_coherent(struct device *dev, size_t size,
unsigned long attrs)
{
if (dev->coherent_dma_mask != DMA_BIT_MASK(64))
gfp |= GFP_DMA;
gfp |= GFP_DMA32;
return swiotlb_alloc_coherent(dev, size, dma_handle, gfp);
}

4
arch/ia64/mm/contig.c
View File

@ -237,9 +237,9 @@ paging_init (void)
unsigned long max_zone_pfns[MAX_NR_ZONES];
memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
#ifdef CONFIG_ZONE_DMA
#ifdef CONFIG_ZONE_DMA32
max_dma = virt_to_phys((void *) MAX_DMA_ADDRESS) >> PAGE_SHIFT;
max_zone_pfns[ZONE_DMA] = max_dma;
max_zone_pfns[ZONE_DMA32] = max_dma;
#endif
max_zone_pfns[ZONE_NORMAL] = max_low_pfn;

8
arch/ia64/mm/discontig.c
View File

@ -38,7 +38,7 @@ struct early_node_data {
struct ia64_node_data *node_data;
unsigned long pernode_addr;
unsigned long pernode_size;
#ifdef CONFIG_ZONE_DMA
#ifdef CONFIG_ZONE_DMA32
unsigned long num_dma_physpages;
#endif
unsigned long min_pfn;
@ -669,7 +669,7 @@ static __init int count_node_pages(unsigned long start, unsigned long len, int n
{
unsigned long end = start + len;
#ifdef CONFIG_ZONE_DMA
#ifdef CONFIG_ZONE_DMA32
if (start <= __pa(MAX_DMA_ADDRESS))
mem_data[node].num_dma_physpages +=
(min(end, __pa(MAX_DMA_ADDRESS)) - start) >>PAGE_SHIFT;
@ -724,8 +724,8 @@ void __init paging_init(void)
}
memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
#ifdef CONFIG_ZONE_DMA
max_zone_pfns[ZONE_DMA] = max_dma;
#ifdef CONFIG_ZONE_DMA32
max_zone_pfns[ZONE_DMA32] = max_dma;
#endif
max_zone_pfns[ZONE_NORMAL] = max_pfn;
free_area_init_nodes(max_zone_pfns);