[ARM] Rename mm-armv.c to pgd.c

mm-armv.c now only contains the pgd allocation/freeing code, so
rename it to have a more sensible filename.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 0 insertions, 103 deletions

diff --git a/arch/arm/mm/mm-armv.c b/arch/arm/mm/mm-armv.c
deleted file mode 100644
index a35d5f2ee4e0..000000000000
--- a/arch/arm/mm/mm-armv.c
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
- *  linux/arch/arm/mm/mm-armv.c
- *
- *  Copyright (C) 1998-2005 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- *  Page table sludge for ARM v3 and v4 processor architectures.
- */
-#include <linux/mm.h>
-#include <linux/highmem.h>
-
-#include <asm/pgalloc.h>
-#include <asm/page.h>
-#include <asm/tlbflush.h>
-
-#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
- */
-pgd_t *get_pgd_slow(struct mm_struct *mm)
-{
-        pgd_t *new_pgd, *init_pgd;
-        pmd_t *new_pmd, *init_pmd;
-        pte_t *new_pte, *init_pte;
-
-        new_pgd = (pgd_t *)__get_free_pages(GFP_KERNEL, 2);
-        if (!new_pgd)
-                goto no_pgd;
-
-        memzero(new_pgd, FIRST_KERNEL_PGD_NR * 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));
-
-        clean_dcache_area(new_pgd, PTRS_PER_PGD * sizeof(pgd_t));
-
-        if (!vectors_high()) {
-                /*
-                 * On ARM, first page must always be allocated since it
-                 * contains the machine vectors.
-                 */
-                new_pmd = pmd_alloc(mm, new_pgd, 0);
-                if (!new_pmd)
-                        goto no_pmd;
-
-                new_pte = pte_alloc_map(mm, new_pmd, 0);
-                if (!new_pte)
-                        goto no_pte;
-
-                init_pmd = pmd_offset(init_pgd, 0);
-                init_pte = pte_offset_map_nested(init_pmd, 0);
-                set_pte(new_pte, *init_pte);
-                pte_unmap_nested(init_pte);
-                pte_unmap(new_pte);
-        }
-
-        return new_pgd;
-
-no_pte:
-        pmd_free(new_pmd);
-no_pmd:
-        free_pages((unsigned long)new_pgd, 2);
-no_pgd:
-        return NULL;
-}
-
-void free_pgd_slow(pgd_t *pgd)
-{
-        pmd_t *pmd;
-        struct page *pte;
-
-        if (!pgd)
-                return;
-
-        /* pgd is always present and good */
-        pmd = pmd_off(pgd, 0);
-        if (pmd_none(*pmd))
-                goto free;
-        if (pmd_bad(*pmd)) {
-                pmd_ERROR(*pmd);
-                pmd_clear(pmd);
-                goto free;
-        }
-
-        pte = pmd_page(*pmd);
-        pmd_clear(pmd);
-        dec_zone_page_state(virt_to_page((unsigned long *)pgd), NR_PAGETABLE);
-        pte_lock_deinit(pte);
-        pte_free(pte);
-        pmd_free(pmd);
-free:
-        free_pages((unsigned long) pgd, 2);
-}