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git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/blob - arch/um/include/asm/pgalloc.h
2 * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
3 * Copyright 2003 PathScale, Inc.
4 * Derived from include/asm-i386/pgalloc.h and include/asm-i386/pgtable.h
5 * Licensed under the GPL
13 #define pmd_populate_kernel(mm, pmd, pte) \
14 set_pmd(pmd, __pmd(_PAGE_TABLE + (unsigned long) __pa(pte)))
16 #define pmd_populate(mm, pmd, pte) \
17 set_pmd(pmd, __pmd(_PAGE_TABLE + \
18 ((unsigned long long)page_to_pfn(pte) << \
19 (unsigned long long) PAGE_SHIFT)))
20 #define pmd_pgtable(pmd) pmd_page(pmd)
23 * Allocate and free page tables.
25 extern pgd_t
*pgd_alloc(struct mm_struct
*);
26 extern void pgd_free(struct mm_struct
*mm
, pgd_t
*pgd
);
28 extern pte_t
*pte_alloc_one_kernel(struct mm_struct
*);
29 extern pgtable_t
pte_alloc_one(struct mm_struct
*);
31 static inline void pte_free_kernel(struct mm_struct
*mm
, pte_t
*pte
)
33 free_page((unsigned long) pte
);
36 static inline void pte_free(struct mm_struct
*mm
, pgtable_t pte
)
38 pgtable_page_dtor(pte
);
42 #define __pte_free_tlb(tlb,pte, address) \
44 pgtable_page_dtor(pte); \
45 tlb_remove_page((tlb),(pte)); \
48 #ifdef CONFIG_3_LEVEL_PGTABLES
50 static inline void pmd_free(struct mm_struct
*mm
, pmd_t
*pmd
)
52 free_page((unsigned long)pmd
);
55 #define __pmd_free_tlb(tlb,x, address) tlb_remove_page((tlb),virt_to_page(x))
58 #define check_pgt_cache() do { } while (0)