diff options
Diffstat (limited to 'arch/arm64/include/asm/trans_pgd.h')
| -rw-r--r-- | arch/arm64/include/asm/trans_pgd.h | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/trans_pgd.h b/arch/arm64/include/asm/trans_pgd.h index 23153c13d1ce..b46409b25234 100644 --- a/arch/arm64/include/asm/trans_pgd.h +++ b/arch/arm64/include/asm/trans_pgd.h @@ -12,10 +12,25 @@ #include <linux/types.h> #include <asm/pgtable-types.h> +/* + * trans_alloc_page + * - Allocator that should return exactly one zeroed page, if this + * allocator fails, trans_pgd_create_copy() and trans_pgd_map_page() + * return -ENOMEM error. + * + * trans_alloc_arg + * - Passed to trans_alloc_page as an argument + */ + +struct trans_pgd_info { + void * (*trans_alloc_page)(void *arg); + void *trans_alloc_arg; +}; + int trans_pgd_create_copy(pgd_t **dst_pgdp, unsigned long start, unsigned long end); -int trans_pgd_map_page(pgd_t *trans_pgd, void *page, unsigned long dst_addr, - pgprot_t pgprot); +int trans_pgd_map_page(struct trans_pgd_info *info, pgd_t *trans_pgd, + void *page, unsigned long dst_addr, pgprot_t pgprot); #endif /* _ASM_TRANS_TABLE_H */ |