tcp md5sig: Share most of hash calcucaltion bits between IPv4 and IPv6.

[linux-2.6-omap-h63xx.git] / include / asm-avr32 / pgalloc.h

diff --git a/include/asm-avr32/pgalloc.h b/include/asm-avr32/pgalloc.h
index bb82e70cde8d048fb01c3594b0233ba8c9d83fbd..51fc1f6e4b17afb9d73b7065ad6bea459549d205 100644 (file)
--- a/include/asm-avr32/pgalloc.h
+++ b/include/asm-avr32/pgalloc.h
@@ -17,26 +17,21 @@
        set_pmd(pmd, __pmd(_PAGE_TABLE + __pa(pte)))
 
 static __inline__ void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
-                                   struct page *pte)
+                                   pgtable_t pte)
 {
        set_pmd(pmd, __pmd(_PAGE_TABLE + page_to_phys(pte)));
 }
+#define pmd_pgtable(pmd) pmd_page(pmd)
 
 /*
  * Allocate and free page tables
  */
 static __inline__ pgd_t *pgd_alloc(struct mm_struct *mm)
 {
-       unsigned int pgd_size = (USER_PTRS_PER_PGD * sizeof(pgd_t));
-       pgd_t *pgd = kmalloc(pgd_size, GFP_KERNEL);
-
-       if (pgd)
-               memset(pgd, 0, pgd_size);
-
-       return pgd;
+       return kcalloc(USER_PTRS_PER_PGD, sizeof(pgd_t), GFP_KERNEL);
 }
 
-static inline void pgd_free(pgd_t *pgd)
+static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
 {
        kfree(pgd);
 }
@@ -44,18 +39,9 @@ static inline void pgd_free(pgd_t *pgd)
 static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
                                          unsigned long address)
 {
-       int count = 0;
        pte_t *pte;
 
-       do {
-               pte = (pte_t *) __get_free_page(GFP_KERNEL | __GFP_REPEAT);
-               if (pte)
-                       clear_page(pte);
-               else {
-                       current->state = TASK_UNINTERRUPTIBLE;
-                       schedule_timeout(HZ);
-               }
-       } while (!pte && (count++ < 10));
+       pte = (pte_t *)get_zeroed_page(GFP_KERNEL | __GFP_REPEAT);
 
        return pte;
 }
@@ -63,33 +49,31 @@ static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
 static inline struct page *pte_alloc_one(struct mm_struct *mm,
                                         unsigned long address)
 {
-       int count = 0;
        struct page *pte;
 
-       do {
-               pte = alloc_pages(GFP_KERNEL, 0);
-               if (pte)
-                       clear_page(page_address(pte));
-               else {
-                       current->state = TASK_UNINTERRUPTIBLE;
-                       schedule_timeout(HZ);
-               }
-       } while (!pte && (count++ < 10));
-
+       pte = alloc_page(GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO);
+       if (!pte)
+               return NULL;
+       pgtable_page_ctor(pte);
        return pte;
 }
 
-static inline void pte_free_kernel(pte_t *pte)
+static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
 {
        free_page((unsigned long)pte);
 }
 
-static inline void pte_free(struct page *pte)
+static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
 {
+       pgtable_page_dtor(pte);
        __free_page(pte);
 }
 
-#define __pte_free_tlb(tlb,pte) tlb_remove_page((tlb),(pte))
+#define __pte_free_tlb(tlb,pte)                                \
+do {                                                   \
+       pgtable_page_dtor(pte);                         \
+       tlb_remove_page((tlb), pte);                    \
+} while (0)
 
 #define check_pgt_cache() do { } while(0)