diff options
Diffstat (limited to 'kernel/include/linux/kasan.h')
| -rw-r--r-- | kernel/include/linux/kasan.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/kernel/include/linux/kasan.h b/kernel/include/linux/kasan.h index 5486d777b..4b9f85c96 100644 --- a/kernel/include/linux/kasan.h +++ b/kernel/include/linux/kasan.h @@ -10,11 +10,19 @@ struct vm_struct; #ifdef CONFIG_KASAN #define KASAN_SHADOW_SCALE_SHIFT 3 -#define KASAN_SHADOW_OFFSET _AC(CONFIG_KASAN_SHADOW_OFFSET, UL) #include <asm/kasan.h> +#include <asm/pgtable.h> #include <linux/sched.h> +extern unsigned char kasan_zero_page[PAGE_SIZE]; +extern pte_t kasan_zero_pte[PTRS_PER_PTE]; +extern pmd_t kasan_zero_pmd[PTRS_PER_PMD]; +extern pud_t kasan_zero_pud[PTRS_PER_PUD]; + +void kasan_populate_zero_shadow(const void *shadow_start, + const void *shadow_end); + static inline void *kasan_mem_to_shadow(const void *addr) { return (void *)((unsigned long)addr >> KASAN_SHADOW_SCALE_SHIFT) |