diff options
Diffstat (limited to 'arch/arm/mm/mm.h')
| -rw-r--r-- | arch/arm/mm/mm.h | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/arch/arm/mm/mm.h b/arch/arm/mm/mm.h index 27f4a619b35..ce727d47275 100644 --- a/arch/arm/mm/mm.h +++ b/arch/arm/mm/mm.h @@ -1,4 +1,8 @@ #ifdef CONFIG_MMU +#include <linux/list.h> +#include <linux/vmalloc.h> + +#include <asm/pgtable.h> /* the upper-most page table pointer */ extern pmd_t *top_pmd; @@ -36,6 +40,7 @@ static inline pmd_t *pmd_off_k(unsigned long virt) struct mem_type { pteval_t prot_pte; + pteval_t prot_pte_s2; pmdval_t prot_l1; pmdval_t prot_sect; unsigned int domain; @@ -55,17 +60,40 @@ 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 + + +struct static_vm { + struct vm_struct vm; + struct list_head list; +}; + +extern struct list_head static_vmlist; +extern struct static_vm *find_static_vm_vaddr(void *vaddr); +extern __init void add_static_vm_early(struct static_vm *svm); + #endif #ifdef CONFIG_ZONE_DMA -extern u32 arm_dma_limit; +extern phys_addr_t arm_dma_limit; +extern unsigned long arm_dma_pfn_limit; #else -#define arm_dma_limit ((u32)~0) +#define arm_dma_limit ((phys_addr_t)~0) +#define arm_dma_pfn_limit (~0ul >> PAGE_SHIFT) #endif +extern phys_addr_t arm_lowmem_limit; + void __init bootmem_init(void); void arm_mm_memblock_reserve(void); +void dma_contiguous_remap(void); + +unsigned long __clear_cr(unsigned long mask); |