linux/arch/arm/mm/mm.h
Russell King c172cc92c8 [ARM] mm 6: allow mem_types table to specify extended pte attributes
Add prot_pte_ext to the mem_types table to allow the extended pte
attributes to be passed to set_pte_ext(), thereby permitting us to
specify memory type information for the hardware PTE entries.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-04-21 20:36:02 +01:00

37 lines
739 B
C

/* the upper-most page table pointer */
#ifdef CONFIG_MMU
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_pte_ext;
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(struct meminfo *mi);
void reserve_node_zero(struct pglist_data *pgdat);