From 9577dd7486487722ed8f0773243223f108e8089f Mon Sep 17 00:00:00 2001 From: Andrey Konovalov Date: Fri, 28 Dec 2018 00:30:01 -0800 Subject: kasan: rename kasan_zero_page to kasan_early_shadow_page With tag based KASAN mode the early shadow value is 0xff and not 0x00, so this patch renames kasan_zero_(page|pte|pmd|pud|p4d) to kasan_early_shadow_(page|pte|pmd|pud|p4d) to avoid confusion. Link: http://lkml.kernel.org/r/3fed313280ebf4f88645f5b89ccbc066d320e177.1544099024.git.andreyknvl@google.com Signed-off-by: Andrey Konovalov Suggested-by: Mark Rutland Cc: Andrey Ryabinin Cc: Christoph Lameter Cc: Dmitry Vyukov Cc: Will Deacon Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/kasan.h | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'include/linux') diff --git a/include/linux/kasan.h b/include/linux/kasan.h index b66fdf5ea7ab..ec22d548d0d7 100644 --- a/include/linux/kasan.h +++ b/include/linux/kasan.h @@ -14,13 +14,13 @@ struct task_struct; #include #include -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]; -extern p4d_t kasan_zero_p4d[MAX_PTRS_PER_P4D]; +extern unsigned char kasan_early_shadow_page[PAGE_SIZE]; +extern pte_t kasan_early_shadow_pte[PTRS_PER_PTE]; +extern pmd_t kasan_early_shadow_pmd[PTRS_PER_PMD]; +extern pud_t kasan_early_shadow_pud[PTRS_PER_PUD]; +extern p4d_t kasan_early_shadow_p4d[MAX_PTRS_PER_P4D]; -int kasan_populate_zero_shadow(const void *shadow_start, +int kasan_populate_early_shadow(const void *shadow_start, const void *shadow_end); static inline void *kasan_mem_to_shadow(const void *addr) -- cgit v1.2.3