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-rw-r--r--arch/csky/include/asm/pgalloc.h43
1 files changed, 18 insertions, 25 deletions
diff --git a/arch/csky/include/asm/pgalloc.h b/arch/csky/include/asm/pgalloc.h
index bf4f4a0e140e..d213bb47b717 100644
--- a/arch/csky/include/asm/pgalloc.h
+++ b/arch/csky/include/asm/pgalloc.h
@@ -24,41 +24,34 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
extern void pgd_init(unsigned long *p);
-static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
- unsigned long address)
+static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
{
pte_t *pte;
- unsigned long *kaddr, i;
+ unsigned long i;
- pte = (pte_t *) __get_free_pages(GFP_KERNEL | __GFP_RETRY_MAYFAIL,
- PTE_ORDER);
- kaddr = (unsigned long *)pte;
- if (address & 0x80000000)
- for (i = 0; i < (PAGE_SIZE/4); i++)
- *(kaddr + i) = 0x1;
- else
- clear_page(kaddr);
+ pte = (pte_t *) __get_free_page(GFP_KERNEL);
+ if (!pte)
+ return NULL;
+
+ for (i = 0; i < PAGE_SIZE/sizeof(pte_t); i++)
+ (pte + i)->pte_low = _PAGE_GLOBAL;
return pte;
}
-static inline struct page *pte_alloc_one(struct mm_struct *mm,
- unsigned long address)
+static inline struct page *pte_alloc_one(struct mm_struct *mm)
{
struct page *pte;
- unsigned long *kaddr, i;
-
- pte = alloc_pages(GFP_KERNEL | __GFP_RETRY_MAYFAIL, PTE_ORDER);
- if (pte) {
- kaddr = kmap_atomic(pte);
- if (address & 0x80000000) {
- for (i = 0; i < (PAGE_SIZE/4); i++)
- *(kaddr + i) = 0x1;
- } else
- clear_page(kaddr);
- kunmap_atomic(kaddr);
- pgtable_page_ctor(pte);
+
+ pte = alloc_pages(GFP_KERNEL | __GFP_ZERO, 0);
+ if (!pte)
+ return NULL;
+
+ if (!pgtable_page_ctor(pte)) {
+ __free_page(pte);
+ return NULL;
}
+
return pte;
}