From bb8985586b7a906e116db835c64773b7a7d51663 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 17 Aug 2008 21:05:42 -0400 Subject: x86, um: ... and asm-x86 move Signed-off-by: Al Viro Signed-off-by: H. Peter Anvin --- include/asm-x86/pgalloc.h | 114 ---------------------------------------------- 1 file changed, 114 deletions(-) delete mode 100644 include/asm-x86/pgalloc.h (limited to 'include/asm-x86/pgalloc.h') diff --git a/include/asm-x86/pgalloc.h b/include/asm-x86/pgalloc.h deleted file mode 100644 index 3cd23adedae8..000000000000 --- a/include/asm-x86/pgalloc.h +++ /dev/null @@ -1,114 +0,0 @@ -#ifndef ASM_X86__PGALLOC_H -#define ASM_X86__PGALLOC_H - -#include -#include /* for struct page */ -#include - -static inline int __paravirt_pgd_alloc(struct mm_struct *mm) { return 0; } - -#ifdef CONFIG_PARAVIRT -#include -#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 */ -- cgit v1.2.3