/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 1994 - 2001, 2003 by Ralf Baechle * Copyright (C) 1999, 2000, 2001 Silicon Graphics, Inc. */ #ifndef _ASM_NIOS2_PGALLOC_H #define _ASM_NIOS2_PGALLOC_H #include <linux/mm.h> static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte) { set_pmd(pmd, __pmd((unsigned long)pte)); } static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, pgtable_t pte) { set_pmd(pmd, __pmd((unsigned long)page_address(pte))); } #define pmd_pgtable(pmd) pmd_page(pmd) /* * Initialize a new pmd table with invalid pointers. */ extern void pmd_init(unsigned long page, unsigned long pagetable); extern pgd_t *pgd_alloc(struct mm_struct *mm); static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) { free_pages((unsigned long)pgd, PGD_ORDER); } static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) { pte_t *pte; pte = (pte_t *) __get_free_pages(GFP_KERNEL|__GFP_ZERO, PTE_ORDER); return pte; } static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address) { struct page *pte; pte = alloc_pages(GFP_KERNEL, PTE_ORDER); if (pte) { if (!pgtable_page_ctor(pte)) { __free_page(pte); return NULL; } clear_highpage(pte); } return pte; } static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) { free_pages((unsigned long)pte, PTE_ORDER); } static inline void pte_free(struct mm_struct *mm, struct page *pte) { pgtable_page_dtor(pte); __free_pages(pte, PTE_ORDER); } #define __pte_free_tlb(tlb, pte, addr) \ do { \ pgtable_page_dtor(pte); \ tlb_remove_page((tlb), (pte)); \ } while (0) #define check_pgt_cache() do { } while (0) #endif /* _ASM_NIOS2_PGALLOC_H */
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Kbuild | File | 958 B | 0644 |
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asm-macros.h | File | 6.71 KB | 0644 |
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asm-offsets.h | File | 813 B | 0644 |
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cache.h | File | 1.14 KB | 0644 |
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cacheflush.h | File | 1.91 KB | 0644 |
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checksum.h | File | 2.03 KB | 0644 |
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cpuinfo.h | File | 1.42 KB | 0644 |
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delay.h | File | 547 B | 0644 |
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dma-mapping.h | File | 547 B | 0644 |
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elf.h | File | 3.2 KB | 0644 |
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entry.h | File | 2.6 KB | 0644 |
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io.h | File | 1.72 KB | 0644 |
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irq.h | File | 907 B | 0644 |
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irqflags.h | File | 1.75 KB | 0644 |
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kgdb.h | File | 1.88 KB | 0644 |
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linkage.h | File | 809 B | 0644 |
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mmu.h | File | 445 B | 0644 |
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mmu_context.h | File | 1.69 KB | 0644 |
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page.h | File | 3.08 KB | 0644 |
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pgalloc.h | File | 1.86 KB | 0644 |
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pgtable-bits.h | File | 1.05 KB | 0644 |
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pgtable.h | File | 7.99 KB | 0644 |
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processor.h | File | 2.18 KB | 0644 |
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ptrace.h | File | 2.29 KB | 0644 |
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registers.h | File | 2.15 KB | 0644 |
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setup.h | File | 1.04 KB | 0644 |
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shmparam.h | File | 804 B | 0644 |
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string.h | File | 618 B | 0644 |
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switch_to.h | File | 866 B | 0644 |
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syscall.h | File | 2.6 KB | 0644 |
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syscalls.h | File | 883 B | 0644 |
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thread_info.h | File | 3.37 KB | 0644 |
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timex.h | File | 912 B | 0644 |
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tlb.h | File | 963 B | 0644 |
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tlbflush.h | File | 1.56 KB | 0644 |
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traps.h | File | 514 B | 0644 |
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uaccess.h | File | 5.18 KB | 0644 |
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