162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */
262306a36Sopenharmony_ci/*
362306a36Sopenharmony_ci * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
462306a36Sopenharmony_ci * Copyright (C) 2008-2009 PetaLogix
562306a36Sopenharmony_ci * Copyright (C) 2006 Atmark Techno, Inc.
662306a36Sopenharmony_ci */
762306a36Sopenharmony_ci
862306a36Sopenharmony_ci#ifndef _ASM_MICROBLAZE_PGALLOC_H
962306a36Sopenharmony_ci#define _ASM_MICROBLAZE_PGALLOC_H
1062306a36Sopenharmony_ci
1162306a36Sopenharmony_ci#include <linux/kernel.h>	/* For min/max macros */
1262306a36Sopenharmony_ci#include <linux/highmem.h>
1362306a36Sopenharmony_ci#include <linux/pgtable.h>
1462306a36Sopenharmony_ci#include <asm/setup.h>
1562306a36Sopenharmony_ci#include <asm/io.h>
1662306a36Sopenharmony_ci#include <asm/page.h>
1762306a36Sopenharmony_ci#include <asm/cache.h>
1862306a36Sopenharmony_ci
1962306a36Sopenharmony_ci#define __HAVE_ARCH_PTE_ALLOC_ONE_KERNEL
2062306a36Sopenharmony_ci#include <asm-generic/pgalloc.h>
2162306a36Sopenharmony_ci
2262306a36Sopenharmony_ciextern void __bad_pte(pmd_t *pmd);
2362306a36Sopenharmony_ci
2462306a36Sopenharmony_cistatic inline pgd_t *get_pgd(void)
2562306a36Sopenharmony_ci{
2662306a36Sopenharmony_ci	return (pgd_t *)__get_free_pages(GFP_KERNEL|__GFP_ZERO, 0);
2762306a36Sopenharmony_ci}
2862306a36Sopenharmony_ci
2962306a36Sopenharmony_ci#define pgd_alloc(mm)		get_pgd()
3062306a36Sopenharmony_ci
3162306a36Sopenharmony_ciextern pte_t *pte_alloc_one_kernel(struct mm_struct *mm);
3262306a36Sopenharmony_ci
3362306a36Sopenharmony_ci#define __pte_free_tlb(tlb, pte, addr)	pte_free((tlb)->mm, (pte))
3462306a36Sopenharmony_ci
3562306a36Sopenharmony_ci#define pmd_populate(mm, pmd, pte) \
3662306a36Sopenharmony_ci			(pmd_val(*(pmd)) = (unsigned long)page_address(pte))
3762306a36Sopenharmony_ci
3862306a36Sopenharmony_ci#define pmd_populate_kernel(mm, pmd, pte) \
3962306a36Sopenharmony_ci		(pmd_val(*(pmd)) = (unsigned long) (pte))
4062306a36Sopenharmony_ci
4162306a36Sopenharmony_ci#endif /* _ASM_MICROBLAZE_PGALLOC_H */
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