aboutsummaryrefslogtreecommitdiff
path: root/arch/arm26/mm
diff options
context:
space:
mode:
authorJeff Garzik <jgarzik@pobox.com>2005-11-05 15:39:24 -0500
committerJeff Garzik <jgarzik@pobox.com>2005-11-05 15:39:24 -0500
commit7211bb9b64f17b23834d91fc3d0c1d78671ee9a8 (patch)
tree541909f86c31fee97cd70d28ec2fe5c23e1ceb02 /arch/arm26/mm
parentf1e691a24955ea987f021f378324fb5003b1b208 (diff)
parent70d9d825e0a5a78ec1dacaaaf5c72ff5b0206fab (diff)
Merge branch 'master'
Diffstat (limited to 'arch/arm26/mm')
-rw-r--r--arch/arm26/mm/memc.c18
1 files changed, 2 insertions, 16 deletions
diff --git a/arch/arm26/mm/memc.c b/arch/arm26/mm/memc.c
index 8e8a2bb2487..34def6397c3 100644
--- a/arch/arm26/mm/memc.c
+++ b/arch/arm26/mm/memc.c
@@ -79,12 +79,6 @@ pgd_t *get_pgd_slow(struct mm_struct *mm)
goto no_pgd;
/*
- * This lock is here just to satisfy pmd_alloc and pte_lock
- * FIXME: I bet we could avoid taking it pretty much altogether
- */
- spin_lock(&mm->page_table_lock);
-
- /*
* On ARM, first page must always be allocated since it contains
* the machine vectors.
*/
@@ -92,7 +86,7 @@ pgd_t *get_pgd_slow(struct mm_struct *mm)
if (!new_pmd)
goto no_pmd;
- new_pte = pte_alloc_kernel(mm, new_pmd, 0);
+ new_pte = pte_alloc_map(mm, new_pmd, 0);
if (!new_pte)
goto no_pte;
@@ -101,6 +95,7 @@ pgd_t *get_pgd_slow(struct mm_struct *mm)
init_pte = pte_offset(init_pmd, 0);
set_pte(new_pte, *init_pte);
+ pte_unmap(new_pte);
/*
* the page table entries are zeroed
@@ -112,23 +107,14 @@ pgd_t *get_pgd_slow(struct mm_struct *mm)
memcpy(new_pgd + FIRST_KERNEL_PGD_NR, init_pgd + FIRST_KERNEL_PGD_NR,
(PTRS_PER_PGD - FIRST_KERNEL_PGD_NR) * sizeof(pgd_t));
- spin_unlock(&mm->page_table_lock);
-
/* update MEMC tables */
cpu_memc_update_all(new_pgd);
return new_pgd;
no_pte:
- spin_unlock(&mm->page_table_lock);
pmd_free(new_pmd);
- free_pgd_slow(new_pgd);
- return NULL;
-
no_pmd:
- spin_unlock(&mm->page_table_lock);
free_pgd_slow(new_pgd);
- return NULL;
-
no_pgd:
return NULL;
}