[mirror_ubuntu-bionic-kernel.git] / arch / arm / mm / mm.h

#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(pgd, virt);
}

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

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

const struct mem_type *get_mem_type(unsigned int type);

#endif

struct map_desc;
struct meminfo;
struct pglist_data;

void __init create_mapping(struct map_desc *md);
void __init bootmem_init(void);
void reserve_node_zero(struct pglist_data *pgdat);
Commit	Line	Data
3ff1559e RK	1	#ifdef CONFIG_MMU
3ff1559e RK	2
5f0fbf9e	3	/* the upper-most page table pointer */
1b2e2b73 RK	4	extern pmd_t *top_pmd;
	5
	6	#define TOP_PTE(x) pte_offset_kernel(top_pmd, x)
	7
	8	static inline pmd_t pmd_off(pgd_t pgd, unsigned long virt)
	9	{
	10	return pmd_offset(pgd, virt);
	11	}
	12
	13	static inline pmd_t *pmd_off_k(unsigned long virt)
	14	{
	15	return pmd_off(pgd_offset_k(virt), virt);
	16	}
	17
b29e9f5e RK	18	struct mem_type {
	19	unsigned int prot_pte;
	20	unsigned int prot_l1;
	21	unsigned int prot_sect;
	22	unsigned int domain;
	23	};
	24
	25	const struct mem_type *get_mem_type(unsigned int type);
	26
3ff1559e RK	27	#endif
3ff1559e RK	28
1b2e2b73	29	struct map_desc;
d111e8f9 RK	30	struct meminfo;
d111e8f9 RK	31	struct pglist_data;
1b2e2b73	32
1b2e2b73	33	void __init create_mapping(struct map_desc *md);
4b5f32ce	34	void __init bootmem_init(void);
d111e8f9	35	void reserve_node_zero(struct pglist_data *pgdat);