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-rw-r--r--arch/tile/include/asm/pgalloc.h164
1 files changed, 0 insertions, 164 deletions
diff --git a/arch/tile/include/asm/pgalloc.h b/arch/tile/include/asm/pgalloc.h
deleted file mode 100644
index 1b902508b664..000000000000
--- a/arch/tile/include/asm/pgalloc.h
+++ /dev/null
@@ -1,164 +0,0 @@
-/*
- * Copyright 2010 Tilera Corporation. All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, version 2.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
- * NON INFRINGEMENT. See the GNU General Public License for
- * more details.
- */
-
-#ifndef _ASM_TILE_PGALLOC_H
-#define _ASM_TILE_PGALLOC_H
-
-#include <linux/threads.h>
-#include <linux/mm.h>
-#include <linux/mmzone.h>
-#include <asm/fixmap.h>
-#include <asm/page.h>
-#include <hv/hypervisor.h>
-
-/* Bits for the size of the second-level page table. */
-#define L2_KERNEL_PGTABLE_SHIFT _HV_LOG2_L2_SIZE(HPAGE_SHIFT, PAGE_SHIFT)
-
-/* How big is a kernel L2 page table? */
-#define L2_KERNEL_PGTABLE_SIZE (1UL << L2_KERNEL_PGTABLE_SHIFT)
-
-/* We currently allocate user L2 page tables by page (unlike kernel L2s). */
-#if L2_KERNEL_PGTABLE_SHIFT < PAGE_SHIFT
-#define L2_USER_PGTABLE_SHIFT PAGE_SHIFT
-#else
-#define L2_USER_PGTABLE_SHIFT L2_KERNEL_PGTABLE_SHIFT
-#endif
-
-/* How many pages do we need, as an "order", for a user L2 page table? */
-#define L2_USER_PGTABLE_ORDER (L2_USER_PGTABLE_SHIFT - PAGE_SHIFT)
-
-static inline void set_pmd(pmd_t *pmdp, pmd_t pmd)
-{
-#ifdef CONFIG_64BIT
- set_pte(pmdp, pmd);
-#else
- set_pte(&pmdp->pud.pgd, pmd.pud.pgd);
-#endif
-}
-
-static inline void pmd_populate_kernel(struct mm_struct *mm,
- pmd_t *pmd, pte_t *ptep)
-{
- set_pmd(pmd, ptfn_pmd(HV_CPA_TO_PTFN(__pa(ptep)),
- __pgprot(_PAGE_PRESENT)));
-}
-
-static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
- pgtable_t page)
-{
- set_pmd(pmd, ptfn_pmd(HV_CPA_TO_PTFN(PFN_PHYS(page_to_pfn(page))),
- __pgprot(_PAGE_PRESENT)));
-}
-
-/*
- * Allocate and free page tables.
- */
-
-extern pgd_t *pgd_alloc(struct mm_struct *mm);
-extern void pgd_free(struct mm_struct *mm, pgd_t *pgd);
-
-extern pgtable_t pgtable_alloc_one(struct mm_struct *mm, unsigned long address,
- int order);
-extern void pgtable_free(struct mm_struct *mm, struct page *pte, int order);
-
-static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
- unsigned long address)
-{
- return pgtable_alloc_one(mm, address, L2_USER_PGTABLE_ORDER);
-}
-
-static inline void pte_free(struct mm_struct *mm, struct page *pte)
-{
- pgtable_free(mm, pte, L2_USER_PGTABLE_ORDER);
-}
-
-#define pmd_pgtable(pmd) pmd_page(pmd)
-
-static inline pte_t *
-pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
-{
- return pfn_to_kaddr(page_to_pfn(pte_alloc_one(mm, address)));
-}
-
-static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
-{
- BUG_ON((unsigned long)pte & (PAGE_SIZE-1));
- pte_free(mm, virt_to_page(pte));
-}
-
-extern void __pgtable_free_tlb(struct mmu_gather *tlb, struct page *pte,
- unsigned long address, int order);
-static inline void __pte_free_tlb(struct mmu_gather *tlb, struct page *pte,
- unsigned long address)
-{
- __pgtable_free_tlb(tlb, pte, address, L2_USER_PGTABLE_ORDER);
-}
-
-#define check_pgt_cache() do { } while (0)
-
-/*
- * Get the small-page pte_t lowmem entry for a given pfn.
- * This may or may not be in use, depending on whether the initial
- * huge-page entry for the page has already been shattered.
- */
-pte_t *get_prealloc_pte(unsigned long pfn);
-
-/* During init, we can shatter kernel huge pages if needed. */
-void shatter_pmd(pmd_t *pmd);
-
-/* After init, a more complex technique is required. */
-void shatter_huge_page(unsigned long addr);
-
-#ifdef __tilegx__
-
-#define pud_populate(mm, pud, pmd) \
- pmd_populate_kernel((mm), (pmd_t *)(pud), (pte_t *)(pmd))
-
-/* Bits for the size of the L1 (intermediate) page table. */
-#define L1_KERNEL_PGTABLE_SHIFT _HV_LOG2_L1_SIZE(HPAGE_SHIFT)
-
-/* How big is a kernel L2 page table? */
-#define L1_KERNEL_PGTABLE_SIZE (1UL << L1_KERNEL_PGTABLE_SHIFT)
-
-/* We currently allocate L1 page tables by page. */
-#if L1_KERNEL_PGTABLE_SHIFT < PAGE_SHIFT
-#define L1_USER_PGTABLE_SHIFT PAGE_SHIFT
-#else
-#define L1_USER_PGTABLE_SHIFT L1_KERNEL_PGTABLE_SHIFT
-#endif
-
-/* How many pages do we need, as an "order", for an L1 page table? */
-#define L1_USER_PGTABLE_ORDER (L1_USER_PGTABLE_SHIFT - PAGE_SHIFT)
-
-static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
-{
- struct page *p = pgtable_alloc_one(mm, address, L1_USER_PGTABLE_ORDER);
- return (pmd_t *)page_to_virt(p);
-}
-
-static inline void pmd_free(struct mm_struct *mm, pmd_t *pmdp)
-{
- pgtable_free(mm, virt_to_page(pmdp), L1_USER_PGTABLE_ORDER);
-}
-
-static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmdp,
- unsigned long address)
-{
- __pgtable_free_tlb(tlb, virt_to_page(pmdp), address,
- L1_USER_PGTABLE_ORDER);
-}
-
-#endif /* __tilegx__ */
-
-#endif /* _ASM_TILE_PGALLOC_H */