1 files changed, 58 insertions, 0 deletions

diff --git a/arch/cris/include/asm/pgalloc.h b/arch/cris/include/asm/pgalloc.h
new file mode 100644
index 000000000000..a1ba761d0573
--- /dev/null
+++ b/arch/cris/include/asm/pgalloc.h
@@ -0,0 +1,58 @@
+#ifndef _CRIS_PGALLOC_H
+#define _CRIS_PGALLOC_H
+
+#include <linux/threads.h>
+#include <linux/mm.h>
+
+#define pmd_populate_kernel(mm, pmd, pte) pmd_set(pmd, pte)
+#define pmd_populate(mm, pmd, pte) pmd_set(pmd, page_address(pte))
+#define pmd_pgtable(pmd) pmd_page(pmd)
+
+/*
+ * Allocate and free page tables.
+ */
+
+static inline pgd_t *pgd_alloc (struct mm_struct *mm)
+{
+        return (pgd_t *)get_zeroed_page(GFP_KERNEL);
+}
+
+static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
+{
+        free_page((unsigned long)pgd);
+}
+
+static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
+{
+        pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO);
+        return pte;
+}
+
+static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address)
+{
+        struct page *pte;
+        pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO, 0);
+        pgtable_page_ctor(pte);
+        return 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 mm_struct *mm, pgtable_t pte)
+{
+        pgtable_page_dtor(pte);
+        __free_page(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)
+
+#endif