[ARM] Merge most of the PXA work for initial merge

[pandora-kernel.git] / include / asm-parisc / pgalloc.h

diff --git a/include/asm-parisc/pgalloc.h b/include/asm-parisc/pgalloc.h
index 3122fad..fc987a1 100644 (file)
--- a/include/asm-parisc/pgalloc.h
+++ b/include/asm-parisc/pgalloc.h
@@ -14,7 +14,7 @@
  * Here (for 64 bit kernels) we implement a Hybrid L2/L3 scheme: we
  * allocate the first pmd adjacent to the pgd.  This means that we can
  * subtract a constant offset to get to it.  The pmd and pgd sizes are
- * arranged so that a single pmd covers 4GB (giving a full LP64
+ * arranged so that a single pmd covers 4GB (giving a full 64-bit
  * process access to 8TB) so our lookups are effectively L2 for the
  * first 4GB of the kernel (i.e. for all ILP32 processes and all the
  * kernel for machines with under 4GB of memory) */
@@ -26,7 +26,7 @@ static inline pgd_t *pgd_alloc(struct mm_struct *mm)
 
        if (likely(pgd != NULL)) {
                memset(pgd, 0, PAGE_SIZE<<PGD_ALLOC_ORDER);
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
                actual_pgd += PTRS_PER_PGD;
                /* Populate first pmd with allocated memory.  We mark it
                 * with PxD_FLAG_ATTACHED as a signal to the system that this
@@ -43,9 +43,9 @@ static inline pgd_t *pgd_alloc(struct mm_struct *mm)
        return actual_pgd;
 }
 
-static inline void pgd_free(pgd_t *pgd)
+static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
 {
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
        pgd -= PTRS_PER_PGD;
 #endif
        free_pages((unsigned long)pgd, PGD_ALLOC_ORDER);
@@ -70,9 +70,9 @@ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
        return pmd;
 }
 
-static inline void pmd_free(pmd_t *pmd)
+static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
 {
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
        if(pmd_flag(*pmd) & PxD_FLAG_ATTACHED)
                /* This is the permanent pmd attached to the pgd;
                 * cannot free it */
@@ -91,7 +91,7 @@ static inline void pmd_free(pmd_t *pmd)
  */
 
 #define pmd_alloc_one(mm, addr)                ({ BUG(); ((pmd_t *)2); })
-#define pmd_free(x)                    do { } while (0)
+#define pmd_free(mm, x)                        do { } while (0)
 #define pgd_populate(mm, pmd, pte)     BUG()
 
 #endif
@@ -99,7 +99,7 @@ static inline void pmd_free(pmd_t *pmd)
 static inline void
 pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte)
 {
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
        /* preserve the gateway marker if this is the beginning of
         * the permanent pmd */
        if(pmd_flag(*pmd) & PxD_FLAG_ATTACHED)
@@ -115,11 +115,14 @@ pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte)
 
 #define pmd_populate(mm, pmd, pte_page) \
        pmd_populate_kernel(mm, pmd, page_address(pte_page))
+#define pmd_pgtable(pmd) pmd_page(pmd)
 
-static inline struct page *
+static inline pgtable_t
 pte_alloc_one(struct mm_struct *mm, unsigned long address)
 {
        struct page *page = alloc_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO);
+       if (page)
+               pgtable_page_ctor(page);
        return page;
 }
 
@@ -130,12 +133,16 @@ pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr)
        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);
 }
 
-#define pte_free(page) pte_free_kernel(page_address(page))
+static inline void pte_free(struct mm_struct *mm, struct page *pte)
+{
+       pgtable_page_dtor(pte);
+       pte_free_kernel(mm, page_address(pte));
+}
 
 #define check_pgt_cache()      do { } while (0)