mirror of
https://github.com/torvalds/linux
synced 2024-11-05 18:23:50 +00:00
c172cc92c8
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>
37 lines
739 B
C
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);
|