1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> 4 * Copyright (C) 2008-2009 PetaLogix 5 * Copyright (C) 2006 Atmark Techno, Inc. 6 */ 7 8 #ifndef _ASM_MICROBLAZE_PGALLOC_H 9 #define _ASM_MICROBLAZE_PGALLOC_H 10 11 #include <linux/kernel.h> /* For min/max macros */ 12 #include <linux/highmem.h> 13 #include <linux/pgtable.h> 14 #include <asm/setup.h> 15 #include <asm/io.h> 16 #include <asm/page.h> 17 #include <asm/cache.h> 18 19 #define __HAVE_ARCH_PTE_ALLOC_ONE_KERNEL 20 #include <asm-generic/pgalloc.h> 21 22 extern void __bad_pte(pmd_t *pmd); 23 24 static inline pgd_t *get_pgd(void) 25 { 26 return (pgd_t *)__get_free_pages(GFP_KERNEL|__GFP_ZERO, 0); 27 } 28 29 #define pgd_alloc(mm) get_pgd() 30 31 #define pmd_pgtable(pmd) pmd_page(pmd) 32 33 extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm); 34 35 #define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, (pte)) 36 37 #define pmd_populate(mm, pmd, pte) \ 38 (pmd_val(*(pmd)) = (unsigned long)page_address(pte)) 39 40 #define pmd_populate_kernel(mm, pmd, pte) \ 41 (pmd_val(*(pmd)) = (unsigned long) (pte)) 42 43 #endif /* _ASM_MICROBLAZE_PGALLOC_H */ 44