arm64: move PGD_SIZE definition to pgalloc.h

This will be used by KASAN latter.

Signed-off-by: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

2 files changed, 1 insertions, 2 deletions

diff --git a/arch/arm64/include/asm/pgalloc.h b/arch/arm64/include/asm/pgalloc.h
index 76420568d66a..c15053902942 100644
--- a/arch/arm64/include/asm/pgalloc.h
+++ b/arch/arm64/include/asm/pgalloc.h
@@ -27,6 +27,7 @@
 #define check_pgt_cache()               do { } while (0)
 
 #define PGALLOC_GFP     (GFP_KERNEL | __GFP_NOTRACK | __GFP_REPEAT | __GFP_ZERO)
+#define PGD_SIZE        (PTRS_PER_PGD * sizeof(pgd_t))
 
 #if CONFIG_PGTABLE_LEVELS > 2
 
diff --git a/arch/arm64/mm/pgd.c b/arch/arm64/mm/pgd.c
index 71ca104f97bd..cb3ba1b812e7 100644
--- a/arch/arm64/mm/pgd.c
+++ b/arch/arm64/mm/pgd.c
@@ -28,8 +28,6 @@
 
 #include "mm.h"
 
-#define PGD_SIZE        (PTRS_PER_PGD * sizeof(pgd_t))
-
 static struct kmem_cache *pgd_cache;
 
 pgd_t *pgd_alloc(struct mm_struct *mm)