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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-11-21 11:55:37 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-12-22 11:05:34 +0000
commite926f4495e202500a6265987277fab217e235f08 (patch)
tree7ca0dc4c6976f1f1aba503a7cc29a13eb7c6b7cb /arch/arm/mm/pgd.c
parentaf3813d6a5bf8d0f71b23d3ce458fa5f9916c6b7 (diff)
downloadlwn-e926f4495e202500a6265987277fab217e235f08.tar.gz
lwn-e926f4495e202500a6265987277fab217e235f08.zip
ARM: pgtable: remove FIRST_USER_PGD_NR
FIRST_USER_PGD_NR is now unnecessary, as this has been replaced by FIRST_USER_ADDRESS except in the architecture code. Fix up the last usage of FIRST_USER_PGD_NR, and remove the definition. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm/pgd.c')
-rw-r--r--arch/arm/mm/pgd.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/arch/arm/mm/pgd.c b/arch/arm/mm/pgd.c
index d15785eb73a7..93292a18cf77 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));