1 files changed, 17 insertions, 0 deletions
diff --git a/arch/x86/include/asm/init.h b/arch/x86/include/asm/init.h
new file mode 100644
index 000000000..5f1d3c421
--- /dev/null
+++ b/arch/x86/include/asm/init.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_X86_INIT_H
+#define _ASM_X86_INIT_H
+
+struct x86_mapping_info {
+	void *(*alloc_pgt_page)(void *); /* allocate buf for page table */
+	void *context;			 /* context for alloc_pgt_page */
+	unsigned long page_flag;	 /* page flag for PMD or PUD entry */
+	unsigned long offset;		 /* ident mapping offset */
+	bool direct_gbpages;		 /* PUD level 1GB page support */
+	unsigned long kernpg_flag;	 /* kernel pagetable flag override */
+};
+
+int kernel_ident_mapping_init(struct x86_mapping_info *info, pgd_t *pgd_page,
+				unsigned long pstart, unsigned long pend);
+
+#endif /* _ASM_X86_INIT_H */