diff options
Diffstat (limited to 'arch/microblaze/include/asm/pgalloc.h')
| -rw-r--r-- | arch/microblaze/include/asm/pgalloc.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/microblaze/include/asm/pgalloc.h b/arch/microblaze/include/asm/pgalloc.h new file mode 100644 index 000000000..6c33b05f7 --- /dev/null +++ b/arch/microblaze/include/asm/pgalloc.h @@ -0,0 +1,41 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> + * Copyright (C) 2008-2009 PetaLogix + * Copyright (C) 2006 Atmark Techno, Inc. + */ + +#ifndef _ASM_MICROBLAZE_PGALLOC_H +#define _ASM_MICROBLAZE_PGALLOC_H + +#include <linux/kernel.h> /* For min/max macros */ +#include <linux/highmem.h> +#include <linux/pgtable.h> +#include <asm/setup.h> +#include <asm/io.h> +#include <asm/page.h> +#include <asm/cache.h> + +#define __HAVE_ARCH_PTE_ALLOC_ONE_KERNEL +#include <asm-generic/pgalloc.h> + +extern void __bad_pte(pmd_t *pmd); + +static inline pgd_t *get_pgd(void) +{ + return (pgd_t *)__get_free_pages(GFP_KERNEL|__GFP_ZERO, 0); +} + +#define pgd_alloc(mm) get_pgd() + +extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm); + +#define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, (pte)) + +#define pmd_populate(mm, pmd, pte) \ + (pmd_val(*(pmd)) = (unsigned long)page_address(pte)) + +#define pmd_populate_kernel(mm, pmd, pte) \ + (pmd_val(*(pmd)) = (unsigned long) (pte)) + +#endif /* _ASM_MICROBLAZE_PGALLOC_H */ |