14726dd60SMichal Simek /* SPDX-License-Identifier: GPL-2.0 */ 26a3cece5SMichal Simek /* 31f84e1eaSMichal Simek * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> 41f84e1eaSMichal Simek * Copyright (C) 2008-2009 PetaLogix 56a3cece5SMichal Simek * Copyright (C) 2006 Atmark Techno, Inc. 66a3cece5SMichal Simek */ 76a3cece5SMichal Simek 86a3cece5SMichal Simek #ifndef _ASM_MICROBLAZE_PGALLOC_H 96a3cece5SMichal Simek #define _ASM_MICROBLAZE_PGALLOC_H 106a3cece5SMichal Simek 111f84e1eaSMichal Simek #include <linux/kernel.h> /* For min/max macros */ 121f84e1eaSMichal Simek #include <linux/highmem.h> 1365fddcfcSMike Rapoport #include <linux/pgtable.h> 141f84e1eaSMichal Simek #include <asm/setup.h> 151f84e1eaSMichal Simek #include <asm/io.h> 161f84e1eaSMichal Simek #include <asm/page.h> 171f84e1eaSMichal Simek #include <asm/cache.h> 181f84e1eaSMichal Simek 191b9a9d85SMike Rapoport #define __HAVE_ARCH_PTE_ALLOC_ONE_KERNEL 201b9a9d85SMike Rapoport #include <asm-generic/pgalloc.h> 211b9a9d85SMike Rapoport 221f84e1eaSMichal Simek extern void __bad_pte(pmd_t *pmd); 231f84e1eaSMichal Simek get_pgd(void)2413224794SNicholas Pigginstatic inline pgd_t *get_pgd(void) 251f84e1eaSMichal Simek { 2613224794SNicholas Piggin return (pgd_t *)__get_free_pages(GFP_KERNEL|__GFP_ZERO, 0); 271f84e1eaSMichal Simek } 281f84e1eaSMichal Simek 2913224794SNicholas Piggin #define pgd_alloc(mm) get_pgd() 301f84e1eaSMichal Simek 314cf58924SJoel Fernandes (Google) extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm); 321f84e1eaSMichal Simek 339e1b32caSBenjamin Herrenschmidt #define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, (pte)) 341f84e1eaSMichal Simek 355f0cb3e0SMichal Simek #define pmd_populate(mm, pmd, pte) \ 365f0cb3e0SMichal Simek (pmd_val(*(pmd)) = (unsigned long)page_address(pte)) 371f84e1eaSMichal Simek 381f84e1eaSMichal Simek #define pmd_populate_kernel(mm, pmd, pte) \ 391f84e1eaSMichal Simek (pmd_val(*(pmd)) = (unsigned long) (pte)) 401f84e1eaSMichal Simek 416a3cece5SMichal Simek #endif /* _ASM_MICROBLAZE_PGALLOC_H */ 42