diff options
author | Jeff Garzik <jgarzik@pobox.com> | 2005-11-05 15:39:24 -0500 |
---|---|---|
committer | Jeff Garzik <jgarzik@pobox.com> | 2005-11-05 15:39:24 -0500 |
commit | 7211bb9b64f17b23834d91fc3d0c1d78671ee9a8 (patch) | |
tree | 541909f86c31fee97cd70d28ec2fe5c23e1ceb02 /arch/arm26/mm | |
parent | f1e691a24955ea987f021f378324fb5003b1b208 (diff) | |
parent | 70d9d825e0a5a78ec1dacaaaf5c72ff5b0206fab (diff) |
Merge branch 'master'
Diffstat (limited to 'arch/arm26/mm')
-rw-r--r-- | arch/arm26/mm/memc.c | 18 |
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; } |