diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-10-24 12:48:46 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-10-24 12:48:46 +0200 |
commit | 8c82a17e9c924c0e9f13e75e4c2f6bca19a4b516 (patch) | |
tree | d535f46a917e14e90deccb29ad00aac016ad18dd /include/asm-x86/pgalloc.h | |
parent | 4ce72a2c063a7fa8e42a9435440ae3364115a58d (diff) | |
parent | 57f8f7b60db6f1ed2c6918ab9230c4623a9dbe37 (diff) |
Merge commit 'v2.6.28-rc1' into sched/urgent
Diffstat (limited to 'include/asm-x86/pgalloc.h')
-rw-r--r-- | include/asm-x86/pgalloc.h | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/include/asm-x86/pgalloc.h b/include/asm-x86/pgalloc.h deleted file mode 100644 index 3cd23adedae..00000000000 --- a/include/asm-x86/pgalloc.h +++ /dev/null @@ -1,114 +0,0 @@ -#ifndef ASM_X86__PGALLOC_H -#define ASM_X86__PGALLOC_H - -#include <linux/threads.h> -#include <linux/mm.h> /* for struct page */ -#include <linux/pagemap.h> - -static inline int __paravirt_pgd_alloc(struct mm_struct *mm) { return 0; } - -#ifdef CONFIG_PARAVIRT -#include <asm/paravirt.h> -#else -#define paravirt_pgd_alloc(mm) __paravirt_pgd_alloc(mm) -static inline void paravirt_pgd_free(struct mm_struct *mm, pgd_t *pgd) {} -static inline void paravirt_alloc_pte(struct mm_struct *mm, unsigned long pfn) {} -static inline void paravirt_alloc_pmd(struct mm_struct *mm, unsigned long pfn) {} -static inline void paravirt_alloc_pmd_clone(unsigned long pfn, unsigned long clonepfn, - unsigned long start, unsigned long count) {} -static inline void paravirt_alloc_pud(struct mm_struct *mm, unsigned long pfn) {} -static inline void paravirt_release_pte(unsigned long pfn) {} -static inline void paravirt_release_pmd(unsigned long pfn) {} -static inline void paravirt_release_pud(unsigned long pfn) {} -#endif - -/* - * Allocate and free page tables. - */ -extern pgd_t *pgd_alloc(struct mm_struct *); -extern void pgd_free(struct mm_struct *mm, pgd_t *pgd); - -extern pte_t *pte_alloc_one_kernel(struct mm_struct *, unsigned long); -extern pgtable_t pte_alloc_one(struct mm_struct *, unsigned long); - -/* Should really implement gc for free page table pages. This could be - done with a reference count in struct page. */ - -static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) -{ - BUG_ON((unsigned long)pte & (PAGE_SIZE-1)); - free_page((unsigned long)pte); -} - -static inline void pte_free(struct mm_struct *mm, struct page *pte) -{ - __free_page(pte); -} - -extern void __pte_free_tlb(struct mmu_gather *tlb, struct page *pte); - -static inline void pmd_populate_kernel(struct mm_struct *mm, - pmd_t *pmd, pte_t *pte) -{ - paravirt_alloc_pte(mm, __pa(pte) >> PAGE_SHIFT); - set_pmd(pmd, __pmd(__pa(pte) | _PAGE_TABLE)); -} - -static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, - struct page *pte) -{ - unsigned long pfn = page_to_pfn(pte); - - paravirt_alloc_pte(mm, pfn); - set_pmd(pmd, __pmd(((pteval_t)pfn << PAGE_SHIFT) | _PAGE_TABLE)); -} - -#define pmd_pgtable(pmd) pmd_page(pmd) - -#if PAGETABLE_LEVELS > 2 -static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr) -{ - return (pmd_t *)get_zeroed_page(GFP_KERNEL|__GFP_REPEAT); -} - -static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) -{ - BUG_ON((unsigned long)pmd & (PAGE_SIZE-1)); - free_page((unsigned long)pmd); -} - -extern void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd); - -#ifdef CONFIG_X86_PAE -extern void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd); -#else /* !CONFIG_X86_PAE */ -static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) -{ - paravirt_alloc_pmd(mm, __pa(pmd) >> PAGE_SHIFT); - set_pud(pud, __pud(_PAGE_TABLE | __pa(pmd))); -} -#endif /* CONFIG_X86_PAE */ - -#if PAGETABLE_LEVELS > 3 -static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, pud_t *pud) -{ - paravirt_alloc_pud(mm, __pa(pud) >> PAGE_SHIFT); - set_pgd(pgd, __pgd(_PAGE_TABLE | __pa(pud))); -} - -static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) -{ - return (pud_t *)get_zeroed_page(GFP_KERNEL|__GFP_REPEAT); -} - -static inline void pud_free(struct mm_struct *mm, pud_t *pud) -{ - BUG_ON((unsigned long)pud & (PAGE_SIZE-1)); - free_page((unsigned long)pud); -} - -extern void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pud); -#endif /* PAGETABLE_LEVELS > 3 */ -#endif /* PAGETABLE_LEVELS > 2 */ - -#endif /* ASM_X86__PGALLOC_H */ |