[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_k(unsigned long virt)
{
	return pmd_offset(pud_offset(pgd_offset_k(virt), 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);
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
1b2e2b73 RK	8	static inline pmd_t *pmd_off_k(unsigned long virt)
1b2e2b73 RK	9	{
cc780af5	10	return pmd_offset(pud_offset(pgd_offset_k(virt), virt), virt);
1b2e2b73 RK	11	}
1b2e2b73 RK	12
b29e9f5e	13	struct mem_type {
f6e3354d	14	pteval_t prot_pte;
b29e9f5e RK	15	unsigned int prot_l1;
	16	unsigned int prot_sect;
	17	unsigned int domain;
	18	};
	19
	20	const struct mem_type *get_mem_type(unsigned int type);
	21
7b0a1003 RK	22	extern void __flush_dcache_page(struct address_space mapping, struct page page);
7b0a1003 RK	23
3ff1559e RK	24	#endif
3ff1559e RK	25
8d717a52	26	void __init bootmem_init(void);
2778f620	27	void arm_mm_memblock_reserve(void);