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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/arch/nds32/include/asm/pgalloc.h
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@@ -1,4 +1,4 @@
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-// SPDX-License-Identifier: GPL-2.0
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+/* SPDX-License-Identifier: GPL-2.0 */
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 // Copyright (C) 2005-2017 Andes Technology Corporation
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 #ifndef _ASMNDS32_PGALLOC_H
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@@ -9,55 +9,26 @@
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 #include <asm/tlbflush.h>
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 #include <asm/proc-fns.h>
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+#define __HAVE_ARCH_PTE_ALLOC_ONE
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+#include <asm-generic/pgalloc.h>	/* for pte_{alloc,free}_one */
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+
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 /*
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  * Since we have only two-level page tables, these are trivial
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  */
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-#define pmd_alloc_one(mm, addr)		({ BUG(); ((pmd_t *)2); })
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-#define pmd_free(mm, pmd)			do { } while (0)
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-#define pgd_populate(mm, pmd, pte)	BUG()
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 #define pmd_pgtable(pmd) pmd_page(pmd)
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 extern pgd_t *pgd_alloc(struct mm_struct *mm);
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 extern void pgd_free(struct mm_struct *mm, pgd_t * pgd);
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-#define check_pgt_cache()		do { } while (0)
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-
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-static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
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-					  unsigned long addr)
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-{
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-	pte_t *pte;
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-
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-	pte =
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-	    (pte_t *) __get_free_page(GFP_KERNEL | __GFP_RETRY_MAYFAIL |
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-				      __GFP_ZERO);
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-
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-	return pte;
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-}
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-
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-static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addr)
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+static inline pgtable_t pte_alloc_one(struct mm_struct *mm)
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 {
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 	pgtable_t pte;
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-	pte = alloc_pages(GFP_KERNEL | __GFP_RETRY_MAYFAIL | __GFP_ZERO, 0);
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+	pte = __pte_alloc_one(mm, GFP_PGTABLE_USER);
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 	if (pte)
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 		cpu_dcache_wb_page((unsigned long)page_address(pte));
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 	return pte;
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-}
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-
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-/*
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- * Free one PTE table.
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- */
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-static inline void pte_free_kernel(struct mm_struct *mm, pte_t * pte)
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-{
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-	if (pte) {
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-		free_page((unsigned long)pte);
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-	}
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-}
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-
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-static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
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-{
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-	__free_page(pte);
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 }
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 /*