/* 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))) /* * Allocate and free page tables. */extern pgd_t *pgd_alloc(struct mm_struct *); #define __pte_free_tlb(tlb, pte, address)	\	tlb_remove_ptdesc((tlb), page_ptdesc(pte)) #if CONFIG_PGTABLE_LEVELS > 2 #define __pmd_free_tlb(tlb, pmd, address)	\	tlb_remove_ptdesc((tlb), virt_to_ptdesc(pmd)) #if CONFIG_PGTABLE_LEVELS > 3 #define __pud_free_tlb(tlb, pud, address)	\	tlb_remove_ptdesc((tlb), virt_to_ptdesc(pud)) #endif#endif #endif