diff options
Diffstat (limited to 'arch/arm/mm/mm.h')
| -rw-r--r-- | arch/arm/mm/mm.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/mm/mm.h b/arch/arm/mm/mm.h index 2e8a1efdf7b8..a8ee92da3544 100644 --- a/arch/arm/mm/mm.h +++ b/arch/arm/mm/mm.h @@ -55,10 +55,16 @@ extern void __flush_dcache_page(struct address_space *mapping, struct page *page /* permanent static mappings from iotable_init() */ #define VM_ARM_STATIC_MAPPING 0x40000000 +/* empty mapping */ +#define VM_ARM_EMPTY_MAPPING 0x20000000 + /* mapping type (attributes) for permanent static mappings */ #define VM_ARM_MTYPE(mt) ((mt) << 20) #define VM_ARM_MTYPE_MASK (0x1f << 20) +/* consistent regions used by dma_alloc_attrs() */ +#define VM_ARM_DMA_CONSISTENT 0x20000000 + #endif #ifdef CONFIG_ZONE_DMA |
