1/* SPDX-License-Identifier: GPL-2.0 */
 2/* 
 3 * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
 4 * Copyright 2003 PathScale, Inc.
 5 * Derived from include/asm-i386/pgalloc.h and include/asm-i386/pgtable.h
 6 */
 7
 8#ifndef __UM_PGALLOC_H
 9#define __UM_PGALLOC_H
10
11#include <linux/mm.h>
12
13#include <asm-generic/pgalloc.h>
14
15#define pmd_populate_kernel(mm, pmd, pte) \
16	set_pmd(pmd, __pmd(_PAGE_TABLE + (unsigned long) __pa(pte)))
17
18#define pmd_populate(mm, pmd, pte) 				\
19	set_pmd(pmd, __pmd(_PAGE_TABLE +			\
20		((unsigned long long)page_to_pfn(pte) <<	\
21			(unsigned long long) PAGE_SHIFT)))
22
23/*
24 * Allocate and free page tables.
25 */
26extern pgd_t *pgd_alloc(struct mm_struct *);
27
28#define __pte_free_tlb(tlb, pte, address)			\
29do {								\
30	pagetable_pte_dtor(page_ptdesc(pte));			\
31	tlb_remove_page_ptdesc((tlb), (page_ptdesc(pte)));	\
32} while (0)
33
34#ifdef CONFIG_3_LEVEL_PGTABLES
35
36#define __pmd_free_tlb(tlb, pmd, address)			\
37do {								\
38	pagetable_pmd_dtor(virt_to_ptdesc(pmd));			\
39	tlb_remove_page_ptdesc((tlb), virt_to_ptdesc(pmd));	\
40} while (0)
41
 
 
 
 
 
 
 
 
 
42#endif
43
44#endif
45

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/* 
 3 * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
 4 * Copyright 2003 PathScale, Inc.
 5 * Derived from include/asm-i386/pgalloc.h and include/asm-i386/pgtable.h
 6 */
 7
 8#ifndef __UM_PGALLOC_H
 9#define __UM_PGALLOC_H
10
11#include <linux/mm.h>
12
13#include <asm-generic/pgalloc.h>
14
15#define pmd_populate_kernel(mm, pmd, pte) \
16	set_pmd(pmd, __pmd(_PAGE_TABLE + (unsigned long) __pa(pte)))
17
18#define pmd_populate(mm, pmd, pte) 				\
19	set_pmd(pmd, __pmd(_PAGE_TABLE +			\
20		((unsigned long long)page_to_pfn(pte) <<	\
21			(unsigned long long) PAGE_SHIFT)))
22
23/*
24 * Allocate and free page tables.
25 */
26extern pgd_t *pgd_alloc(struct mm_struct *);
27
28#define __pte_free_tlb(tlb, pte, address)			\
29do {								\
30	pagetable_pte_dtor(page_ptdesc(pte));			\
31	tlb_remove_page_ptdesc((tlb), (page_ptdesc(pte)));	\
32} while (0)
33
34#if CONFIG_PGTABLE_LEVELS > 2
35
36#define __pmd_free_tlb(tlb, pmd, address)			\
37do {								\
38	pagetable_pmd_dtor(virt_to_ptdesc(pmd));			\
39	tlb_remove_page_ptdesc((tlb), virt_to_ptdesc(pmd));	\
40} while (0)
41
42#if CONFIG_PGTABLE_LEVELS > 3
43
44#define __pud_free_tlb(tlb, pud, address)			\
45do {								\
46	pagetable_pud_dtor(virt_to_ptdesc(pud));		\
47	tlb_remove_page_ptdesc((tlb), virt_to_ptdesc(pud));	\
48} while (0)
49
50#endif
51#endif
52
53#endif
54