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-rw-r--r--arch/arm/include/asm/pgtable.h3
-rw-r--r--arch/arm/mm/pgd.c8
2 files changed, 4 insertions, 7 deletions
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
index 1e31af2..4701a6b 100644
--- a/arch/arm/include/asm/pgtable.h
+++ b/arch/arm/include/asm/pgtable.h
@@ -138,8 +138,7 @@ extern void __pgd_error(const char *file, int line, pgd_t);
*/
#define FIRST_USER_ADDRESS PAGE_SIZE
-#define FIRST_USER_PGD_NR 1
-#define USER_PTRS_PER_PGD ((TASK_SIZE/PGDIR_SIZE) - FIRST_USER_PGD_NR)
+#define USER_PTRS_PER_PGD (TASK_SIZE / PGDIR_SIZE)
/*
* section address mask and size definitions.
diff --git a/arch/arm/mm/pgd.c b/arch/arm/mm/pgd.c
index d15785e..93292a1 100644
--- a/arch/arm/mm/pgd.c
+++ b/arch/arm/mm/pgd.c
@@ -17,8 +17,6 @@
#include "mm.h"
-#define FIRST_KERNEL_PGD_NR (FIRST_USER_PGD_NR + USER_PTRS_PER_PGD)
-
/*
* need to get a 16k page for level 1
*/
@@ -32,14 +30,14 @@ pgd_t *pgd_alloc(struct mm_struct *mm)
if (!new_pgd)
goto no_pgd;
- memset(new_pgd, 0, FIRST_KERNEL_PGD_NR * sizeof(pgd_t));
+ memset(new_pgd, 0, USER_PTRS_PER_PGD * sizeof(pgd_t));
/*
* Copy over the kernel and IO PGD entries
*/
init_pgd = pgd_offset_k(0);
- memcpy(new_pgd + FIRST_KERNEL_PGD_NR, init_pgd + FIRST_KERNEL_PGD_NR,
- (PTRS_PER_PGD - FIRST_KERNEL_PGD_NR) * sizeof(pgd_t));
+ memcpy(new_pgd + USER_PTRS_PER_PGD, init_pgd + USER_PTRS_PER_PGD,
+ (PTRS_PER_PGD - USER_PTRS_PER_PGD) * sizeof(pgd_t));
clean_dcache_area(new_pgd, PTRS_PER_PGD * sizeof(pgd_t));