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| 1 | | -// SPDX-License-Identifier: GPL-2.0 |
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| 1 | +/* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | 2 | // Copyright (C) 2005-2017 Andes Technology Corporation |
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| 3 | 3 | |
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| 4 | 4 | #ifndef _ASMNDS32_PGALLOC_H |
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| .. | .. |
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| 9 | 9 | #include <asm/tlbflush.h> |
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| 10 | 10 | #include <asm/proc-fns.h> |
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| 11 | 11 | |
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| 12 | +#define __HAVE_ARCH_PTE_ALLOC_ONE |
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| 13 | +#include <asm-generic/pgalloc.h> /* for pte_{alloc,free}_one */ |
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| 14 | + |
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| 12 | 15 | /* |
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| 13 | 16 | * Since we have only two-level page tables, these are trivial |
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| 14 | 17 | */ |
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| 15 | | -#define pmd_alloc_one(mm, addr) ({ BUG(); ((pmd_t *)2); }) |
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| 16 | | -#define pmd_free(mm, pmd) do { } while (0) |
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| 17 | | -#define pgd_populate(mm, pmd, pte) BUG() |
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| 18 | 18 | #define pmd_pgtable(pmd) pmd_page(pmd) |
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| 19 | 19 | |
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| 20 | 20 | extern pgd_t *pgd_alloc(struct mm_struct *mm); |
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| 21 | 21 | extern void pgd_free(struct mm_struct *mm, pgd_t * pgd); |
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| 22 | 22 | |
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| 23 | | -#define check_pgt_cache() do { } while (0) |
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| 24 | | - |
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| 25 | | -static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, |
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| 26 | | - unsigned long addr) |
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| 27 | | -{ |
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| 28 | | - pte_t *pte; |
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| 29 | | - |
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| 30 | | - pte = |
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| 31 | | - (pte_t *) __get_free_page(GFP_KERNEL | __GFP_RETRY_MAYFAIL | |
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| 32 | | - __GFP_ZERO); |
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| 33 | | - |
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| 34 | | - return pte; |
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| 35 | | -} |
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| 36 | | - |
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| 37 | | -static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addr) |
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| 23 | +static inline pgtable_t pte_alloc_one(struct mm_struct *mm) |
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| 38 | 24 | { |
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| 39 | 25 | pgtable_t pte; |
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| 40 | 26 | |
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| 41 | | - pte = alloc_pages(GFP_KERNEL | __GFP_RETRY_MAYFAIL | __GFP_ZERO, 0); |
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| 27 | + pte = __pte_alloc_one(mm, GFP_PGTABLE_USER); |
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| 42 | 28 | if (pte) |
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| 43 | 29 | cpu_dcache_wb_page((unsigned long)page_address(pte)); |
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| 44 | 30 | |
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| 45 | 31 | return pte; |
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| 46 | | -} |
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| 47 | | - |
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| 48 | | -/* |
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| 49 | | - * Free one PTE table. |
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| 50 | | - */ |
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| 51 | | -static inline void pte_free_kernel(struct mm_struct *mm, pte_t * pte) |
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| 52 | | -{ |
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| 53 | | - if (pte) { |
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| 54 | | - free_page((unsigned long)pte); |
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| 55 | | - } |
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| 56 | | -} |
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| 57 | | - |
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| 58 | | -static inline void pte_free(struct mm_struct *mm, pgtable_t pte) |
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| 59 | | -{ |
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| 60 | | - __free_page(pte); |
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| 61 | 32 | } |
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| 62 | 33 | |
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| 63 | 34 | /* |
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