/* SPDX-License-Identifier: GPL-2.0 *//*  * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com) * Copyright 2003 PathScale, Inc. * Derived from include/asm-i386/pgalloc.h and include/asm-i386/pgtable.h */ #ifndef __UM_PGALLOC_H#define __UM_PGALLOC_H #include <linux/mm.h> #include <asm-generic/pgalloc.h> #define pmd_populate_kernel(mm, pmd, pte) \	set_pmd(pmd, __pmd(_PAGE_TABLE + (unsigned long) __pa(pte))) #define pmd_populate(mm, pmd, pte) 				\	set_pmd(pmd, __pmd(_PAGE_TABLE +			\		((unsigned long long)page_to_pfn(pte) <<	\			(unsigned long long) PAGE_SHIFT)))#define pmd_pgtable(pmd) pmd_page(pmd) /* * Allocate and free page tables. */extern pgd_t *pgd_alloc(struct mm_struct *); #define __pte_free_tlb(tlb,pte, address)		\do {							\	pgtable_pte_page_dtor(pte);			\	tlb_remove_page((tlb),(pte));			\} while (0) #ifdef CONFIG_3_LEVEL_PGTABLES #define __pmd_free_tlb(tlb, pmd, address)		\do {							\	pgtable_pmd_page_dtor(virt_to_page(pmd));	\	tlb_remove_page((tlb),virt_to_page(pmd));	\} while (0)						\ #endif #endif