summaryrefslogtreecommitdiffstats
path: root/include/asm-x86/pgalloc.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-x86/pgalloc.h')
-rw-r--r--include/asm-x86/pgalloc.h114
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 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 <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 */