1 files changed, 46 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/slice.h b/arch/powerpc/include/asm/slice.h
new file mode 100644
index 000000000..0bdd9c62e
--- /dev/null
+++ b/arch/powerpc/include/asm/slice.h
@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_POWERPC_SLICE_H
+#define _ASM_POWERPC_SLICE_H
+
+#ifdef CONFIG_PPC_BOOK3S_64
+#include <asm/book3s/64/slice.h>
+#endif
+
+#ifndef __ASSEMBLY__
+
+struct mm_struct;
+
+#ifdef CONFIG_PPC_MM_SLICES
+
+#ifdef CONFIG_HUGETLB_PAGE
+#define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
+#endif
+#define HAVE_ARCH_UNMAPPED_AREA
+#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN
+
+unsigned long slice_get_unmapped_area(unsigned long addr, unsigned long len,
+				      unsigned long flags, unsigned int psize,
+				      int topdown);
+
+unsigned int get_slice_psize(struct mm_struct *mm, unsigned long addr);
+
+void slice_set_range_psize(struct mm_struct *mm, unsigned long start,
+			   unsigned long len, unsigned int psize);
+
+void slice_init_new_context_exec(struct mm_struct *mm);
+void slice_setup_new_exec(void);
+
+#else /* CONFIG_PPC_MM_SLICES */
+
+static inline void slice_init_new_context_exec(struct mm_struct *mm) {}
+
+static inline unsigned int get_slice_psize(struct mm_struct *mm, unsigned long addr)
+{
+	return 0;
+}
+
+#endif /* CONFIG_PPC_MM_SLICES */
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _ASM_POWERPC_SLICE_H */