From 96a388de5dc53a8b234b3fd41f3ae2cedc9ffd42 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Thu, 11 Oct 2007 11:20:03 +0200 Subject: i386/x86_64: move headers to include/asm-x86 Move the headers to include/asm-x86 and fixup the header install make rules Signed-off-by: Thomas Gleixner Signed-off-by: Ingo Molnar --- include/asm-x86_64/pgalloc.h | 119 ------------------------------------------- 1 file changed, 119 deletions(-) delete mode 100644 include/asm-x86_64/pgalloc.h (limited to 'include/asm-x86_64/pgalloc.h') diff --git a/include/asm-x86_64/pgalloc.h b/include/asm-x86_64/pgalloc.h deleted file mode 100644 index 8bb56468786..00000000000 --- a/include/asm-x86_64/pgalloc.h +++ /dev/null @@ -1,119 +0,0 @@ -#ifndef _X86_64_PGALLOC_H -#define _X86_64_PGALLOC_H - -#include -#include -#include - -#define pmd_populate_kernel(mm, pmd, pte) \ - set_pmd(pmd, __pmd(_PAGE_TABLE | __pa(pte))) -#define pud_populate(mm, pud, pmd) \ - set_pud(pud, __pud(_PAGE_TABLE | __pa(pmd))) -#define pgd_populate(mm, pgd, pud) \ - set_pgd(pgd, __pgd(_PAGE_TABLE | __pa(pud))) - -static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, struct page *pte) -{ - set_pmd(pmd, __pmd(_PAGE_TABLE | (page_to_pfn(pte) << PAGE_SHIFT))); -} - -static inline void pmd_free(pmd_t *pmd) -{ - BUG_ON((unsigned long)pmd & (PAGE_SIZE-1)); - free_page((unsigned long)pmd); -} - -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 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 (pud_t *pud) -{ - BUG_ON((unsigned long)pud & (PAGE_SIZE-1)); - free_page((unsigned long)pud); -} - -static inline void pgd_list_add(pgd_t *pgd) -{ - struct page *page = virt_to_page(pgd); - - spin_lock(&pgd_lock); - list_add(&page->lru, &pgd_list); - spin_unlock(&pgd_lock); -} - -static inline void pgd_list_del(pgd_t *pgd) -{ - struct page *page = virt_to_page(pgd); - - spin_lock(&pgd_lock); - list_del(&page->lru); - spin_unlock(&pgd_lock); -} - -static inline pgd_t *pgd_alloc(struct mm_struct *mm) -{ - unsigned boundary; - pgd_t *pgd = (pgd_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT); - if (!pgd) - return NULL; - pgd_list_add(pgd); - /* - * Copy kernel pointers in from init. - * Could keep a freelist or slab cache of those because the kernel - * part never changes. - */ - boundary = pgd_index(__PAGE_OFFSET); - memset(pgd, 0, boundary * sizeof(pgd_t)); - memcpy(pgd + boundary, - init_level4_pgt + boundary, - (PTRS_PER_PGD - boundary) * sizeof(pgd_t)); - return pgd; -} - -static inline void pgd_free(pgd_t *pgd) -{ - BUG_ON((unsigned long)pgd & (PAGE_SIZE-1)); - pgd_list_del(pgd); - free_page((unsigned long)pgd); -} - -static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) -{ - return (pte_t *)get_zeroed_page(GFP_KERNEL|__GFP_REPEAT); -} - -static inline struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address) -{ - void *p = (void *)get_zeroed_page(GFP_KERNEL|__GFP_REPEAT); - if (!p) - return NULL; - return virt_to_page(p); -} - -/* 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(pte_t *pte) -{ - BUG_ON((unsigned long)pte & (PAGE_SIZE-1)); - free_page((unsigned long)pte); -} - -static inline void pte_free(struct page *pte) -{ - __free_page(pte); -} - -#define __pte_free_tlb(tlb,pte) tlb_remove_page((tlb),(pte)) - -#define __pmd_free_tlb(tlb,x) tlb_remove_page((tlb),virt_to_page(x)) -#define __pud_free_tlb(tlb,x) tlb_remove_page((tlb),virt_to_page(x)) - -#endif /* _X86_64_PGALLOC_H */ -- cgit v1.2.3