diff options
Diffstat (limited to 'arch/xtensa/mm/pgtable.c')
| -rw-r--r-- | arch/xtensa/mm/pgtable.c | 24 |
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); } |