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Diffstat (limited to 'arch/xtensa/mm/pgtable.c')
-rw-r--r--arch/xtensa/mm/pgtable.c24
1 files changed, 10 insertions, 14 deletions
diff --git a/arch/xtensa/mm/pgtable.c b/arch/xtensa/mm/pgtable.c
index e5e119c820e..7d28914d11c 100644
--- a/arch/xtensa/mm/pgtable.c
+++ b/arch/xtensa/mm/pgtable.c
@@ -14,25 +14,21 @@
pte_t* pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
{
- pte_t *pte, p;
+ 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 *page, p;
+ 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);
}