3 /* the upper-most page table pointer */
6 #define TOP_PTE(x) pte_offset_kernel(top_pmd, x)
8 static inline pmd_t *pmd_off_k(unsigned long virt)
10 return pmd_offset(pud_offset(pgd_offset_k(virt), virt), virt);
20 const struct mem_type *get_mem_type(unsigned int type);
22 extern void __flush_dcache_page(struct address_space *mapping, struct page *page);
25 * ARM specific vm_struct->flags bits.
28 /* (super)section-mapped I/O regions used by ioremap()/iounmap() */
29 #define VM_ARM_SECTION_MAPPING 0x80000000
31 /* permanent static mappings from iotable_init() */
32 #define VM_ARM_STATIC_MAPPING 0x40000000
34 /* mapping type (attributes) for permanent static mappings */
35 #define VM_ARM_MTYPE(mt) ((mt) << 20)
36 #define VM_ARM_MTYPE_MASK (0x1f << 20)
40 #ifdef CONFIG_ZONE_DMA
41 extern u32 arm_dma_limit;
43 #define arm_dma_limit ((u32)~0)
46 void __init bootmem_init(void);
47 void arm_mm_memblock_reserve(void);