diff options
Diffstat (limited to 'include/linux/efi.h')
| -rw-r--r-- | include/linux/efi.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/efi.h b/include/linux/efi.h index 81af5feba1f7..e29a31d0fc35 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -969,6 +969,19 @@ extern void __init efi_fake_memmap(void); static inline void efi_fake_memmap(void) { } #endif +/* + * efi_memattr_perm_setter - arch specific callback function passed into + * efi_memattr_apply_permissions() that updates the + * mapping permissions described by the second + * argument in the page tables referred to by the + * first argument. + */ +typedef int (*efi_memattr_perm_setter)(struct mm_struct *, efi_memory_desc_t *); + +extern int efi_memattr_init(void); +extern int efi_memattr_apply_permissions(struct mm_struct *mm, + efi_memattr_perm_setter fn); + /* Iterate through an efi_memory_map */ #define for_each_efi_memory_desc_in_map(m, md) \ for ((md) = (m)->map; \ |