ARM: pgtable: collect up identity mapping functions

[pandora-kernel.git] / arch / arm / mm / mmu.c

diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 94ee093..bd1a11e 100644 (file)
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -1045,38 +1045,3 @@ void __init paging_init(struct machine_desc *mdesc)
        empty_zero_page = virt_to_page(zero_page);
        __flush_dcache_page(NULL, empty_zero_page);
 }
-
-/*
- * In order to soft-boot, we need to insert a 1:1 mapping in place of
- * the user-mode pages.  This will then ensure that we have predictable
- * results when turning the mmu off
- */
-void setup_mm_for_reboot(char mode)
-{
-       unsigned long base_pmdval;
-       pgd_t *pgd;
-       int i;
-
-       /*
-        * We need to access to user-mode page tables here. For kernel threads
-        * we don't have any user-mode mappings so we use the context that we
-        * "borrowed".
-        */
-       pgd = current->active_mm->pgd;
-
-       base_pmdval = PMD_SECT_AP_WRITE | PMD_SECT_AP_READ | PMD_TYPE_SECT;
-       if (cpu_architecture() <= CPU_ARCH_ARMv5TEJ && !cpu_is_xscale())
-               base_pmdval |= PMD_BIT4;
-
-       for (i = 0; i < FIRST_USER_PGD_NR + USER_PTRS_PER_PGD; i++, pgd++) {
-               unsigned long pmdval = (i << PGDIR_SHIFT) | base_pmdval;
-               pmd_t *pmd;
-
-               pmd = pmd_off(pgd, i << PGDIR_SHIFT);
-               pmd[0] = __pmd(pmdval);
-               pmd[1] = __pmd(pmdval + (1 << (PGDIR_SHIFT - 1)));
-               flush_pmd_entry(pmd);
-       }
-
-       local_flush_tlb_all();
-}