1 files changed, 40 insertions, 0 deletions
diff --git a/arch/sh/include/asm/pgalloc.h b/arch/sh/include/asm/pgalloc.h
new file mode 100644
index 000000000..a9e98233c
--- /dev/null
+++ b/arch/sh/include/asm/pgalloc.h
@@ -0,0 +1,40 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_SH_PGALLOC_H
+#define __ASM_SH_PGALLOC_H
+
+#include <asm/page.h>
+
+#define __HAVE_ARCH_PMD_ALLOC_ONE
+#define __HAVE_ARCH_PMD_FREE
+#define __HAVE_ARCH_PGD_FREE
+#include <asm-generic/pgalloc.h>
+
+extern pgd_t *pgd_alloc(struct mm_struct *);
+extern void pgd_free(struct mm_struct *mm, pgd_t *pgd);
+
+#if PAGETABLE_LEVELS > 2
+extern void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd);
+extern pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address);
+extern void pmd_free(struct mm_struct *mm, pmd_t *pmd);
+#define __pmd_free_tlb(tlb, pmdp, addr)		pmd_free((tlb)->mm, (pmdp))
+#endif
+
+static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
+				       pte_t *pte)
+{
+	set_pmd(pmd, __pmd((unsigned long)pte));
+}
+
+static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
+				pgtable_t pte)
+{
+	set_pmd(pmd, __pmd((unsigned long)page_address(pte)));
+}
+
+#define __pte_free_tlb(tlb,pte,addr)			\
+do {							\
+	pgtable_pte_page_dtor(pte);			\
+	tlb_remove_page((tlb), (pte));			\
+} while (0)
+
+#endif /* __ASM_SH_PGALLOC_H */