ASR_BASE

Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/arch/alpha/include/asm/pgalloc.h b/marvell/linux/arch/alpha/include/asm/pgalloc.h
new file mode 100644
index 0000000..eb91f1e
--- /dev/null
+++ b/marvell/linux/arch/alpha/include/asm/pgalloc.h
@@ -0,0 +1,56 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ALPHA_PGALLOC_H
+#define _ALPHA_PGALLOC_H
+
+#include <linux/mm.h>
+#include <linux/mmzone.h>
+
+#include <asm-generic/pgalloc.h>	/* for pte_{alloc,free}_one */
+
+/*      
+ * Allocate and free page tables. The xxx_kernel() versions are
+ * used to allocate a kernel page table - this turns on ASN bits
+ * if any.
+ */
+
+static inline void
+pmd_populate(struct mm_struct *mm, pmd_t *pmd, pgtable_t pte)
+{
+	pmd_set(pmd, (pte_t *)(page_to_pa(pte) + PAGE_OFFSET));
+}
+#define pmd_pgtable(pmd) pmd_page(pmd)
+
+static inline void
+pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte)
+{
+	pmd_set(pmd, pte);
+}
+
+static inline void
+pgd_populate(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd)
+{
+	pgd_set(pgd, pmd);
+}
+
+extern pgd_t *pgd_alloc(struct mm_struct *mm);
+
+static inline void
+pgd_free(struct mm_struct *mm, pgd_t *pgd)
+{
+	free_page((unsigned long)pgd);
+}
+
+static inline pmd_t *
+pmd_alloc_one(struct mm_struct *mm, unsigned long address)
+{
+	pmd_t *ret = (pmd_t *)__get_free_page(GFP_PGTABLE_USER);
+	return ret;
+}
+
+static inline void
+pmd_free(struct mm_struct *mm, pmd_t *pmd)
+{
+	free_page((unsigned long)pmd);
+}
+
+#endif /* _ALPHA_PGALLOC_H */