aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mm/mm.h
blob: d2384106af9cbb32f96a61d54570ef39d391c5b7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
#ifdef CONFIG_MMU

/* the upper-most page table pointer */
extern pmd_t *top_pmd;

#define TOP_PTE(x)	pte_offset_kernel(top_pmd, x)

static inline pmd_t *pmd_off(pgd_t *pgd, unsigned long virt)
{
	return pmd_offset(pud_offset(pgd, virt), virt);
}

static inline pmd_t *pmd_off_k(unsigned long virt)
{
	return pmd_off(pgd_offset_k(virt), virt);
}

struct mem_type {
	pteval_t prot_pte;
	unsigned int prot_l1;
	unsigned int prot_sect;
	unsigned int domain;
};

const struct mem_type *get_mem_type(unsigned int type);

extern void __flush_dcache_page(struct address_space *mapping, struct page *page);

#endif

void __init bootmem_init(void);
void arm_mm_memblock_reserve(void);