[XTENSA] Flush the page-address in update-mmu instead of user-address
[linux-2.6.git] / arch / xtensa / mm / pgtable.c
index e5e119c820e4713d5badfd650c0a9792aca99e72..6979927382050532a4bb7d6dc47311e01ebcd18f 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * arch/xtensa/mm/fault.c
+ * arch/xtensa/mm/pgtable.c
  *
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file "COPYING" in the main directory of this archive
 
 pte_t* pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
 {
-       pte_t *ptep;
+       pte_t *pte = NULL, *p;
        int color = ADDR_COLOR(address);
        int i;
 
        p = (pte_t*) __get_free_pages(GFP_KERNEL|__GFP_REPEAT, COLOR_ORDER);
 
        if (likely(p)) {
-               struct page *page;
-
-               for (i = 0; i < COLOR_SIZE; i++, p++) {
-                       page = virt_to_page(pte);
-
-                       set_page_count(page, 1);
-                       ClearPageCompound(page);
+               split_page(virt_to_page(p), COLOR_ORDER);
 
+               for (i = 0; i < COLOR_SIZE; i++) {
                        if (ADDR_COLOR(p) == color)
                                pte = p;
                        else
                                free_page(p);
+                       p += PTRS_PER_PTE;
                }
                clear_page(pte);
        }
@@ -49,20 +45,20 @@ int flush;
 
 struct page* pte_alloc_one(struct mm_struct *mm, unsigned long address)
 {
-       struct page *pagep;
+       struct page *page = NULL, *p;
        int color = ADDR_COLOR(address);
 
        p = alloc_pages(GFP_KERNEL | __GFP_REPEAT, PTE_ORDER);
 
        if (likely(p)) {
-               for (i = 0; i < PAGE_ORDER; i++) {
-                       set_page_count(p, 1);
-                       ClearPageCompound(p);
+               split_page(p, COLOR_ORDER);
 
-                       if (PADDR_COLOR(page_address(pg)) == color)
+               for (i = 0; i < PAGE_ORDER; i++) {
+                       if (PADDR_COLOR(page_address(p)) == color)
                                page = p;
                        else
-                               free_page(p);
+                               __free_page(p);
+                       p++;
                }
                clear_highpage(page);
        }