riscv: Use KASAN_SHADOW_INIT define for kasan memory initialization
Instead of hardcoding memory initialization to 0, use KASAN_SHADOW_INIT.
Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
diff --git a/arch/riscv/mm/kasan_init.c b/arch/riscv/mm/kasan_init.c
index 4b9149f..8f23799 100644
--- a/arch/riscv/mm/kasan_init.c
+++ b/arch/riscv/mm/kasan_init.c
@@ -93,7 +93,7 @@ static void __init populate(void *start, void *end)
__pgprot(_PAGE_TABLE)));
local_flush_tlb_all();
- memset(start, 0, end - start);
+ memset(start, KASAN_SHADOW_INIT, end - start);
}
void __init kasan_shallow_populate(void *start, void *end)
@@ -163,6 +163,6 @@ void __init kasan_init(void)
__pgprot(_PAGE_PRESENT | _PAGE_READ |
_PAGE_ACCESSED)));
- memset(kasan_early_shadow_page, 0, PAGE_SIZE);
+ memset(kasan_early_shadow_page, KASAN_SHADOW_INIT, PAGE_SIZE);
init_task.kasan_depth = 0;
}