diff options
Diffstat (limited to 'arch/avr32/include/asm/pgalloc.h')
-rw-r--r-- | arch/avr32/include/asm/pgalloc.h | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/arch/avr32/include/asm/pgalloc.h b/arch/avr32/include/asm/pgalloc.h deleted file mode 100644 index db039cb..0000000 --- a/arch/avr32/include/asm/pgalloc.h +++ /dev/null @@ -1,102 +0,0 @@ -/* - * Copyright (C) 2004-2006 Atmel Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#ifndef __ASM_AVR32_PGALLOC_H -#define __ASM_AVR32_PGALLOC_H - -#include <linux/mm.h> -#include <linux/quicklist.h> -#include <asm/page.h> -#include <asm/pgtable.h> - -#define QUICK_PGD 0 /* Preserve kernel mappings over free */ -#define QUICK_PT 1 /* Zero on free */ - -static inline void pmd_populate_kernel(struct mm_struct *mm, - pmd_t *pmd, pte_t *pte) -{ - set_pmd(pmd, __pmd((unsigned long)pte)); -} - -static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, - pgtable_t pte) -{ - set_pmd(pmd, __pmd((unsigned long)page_address(pte))); -} -#define pmd_pgtable(pmd) pmd_page(pmd) - -static inline void pgd_ctor(void *x) -{ - pgd_t *pgd = x; - - memcpy(pgd + USER_PTRS_PER_PGD, - swapper_pg_dir + USER_PTRS_PER_PGD, - (PTRS_PER_PGD - USER_PTRS_PER_PGD) * sizeof(pgd_t)); -} - -/* - * Allocate and free page tables - */ -static inline pgd_t *pgd_alloc(struct mm_struct *mm) -{ - return quicklist_alloc(QUICK_PGD, GFP_KERNEL, pgd_ctor); -} - -static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) -{ - quicklist_free(QUICK_PGD, NULL, pgd); -} - -static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, - unsigned long address) -{ - return quicklist_alloc(QUICK_PT, GFP_KERNEL, NULL); -} - -static inline pgtable_t pte_alloc_one(struct mm_struct *mm, - unsigned long address) -{ - struct page *page; - void *pg; - - pg = quicklist_alloc(QUICK_PT, GFP_KERNEL, NULL); - if (!pg) - return NULL; - - page = virt_to_page(pg); - if (!pgtable_page_ctor(page)) { - quicklist_free(QUICK_PT, NULL, pg); - return NULL; - } - - return page; -} - -static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) -{ - quicklist_free(QUICK_PT, NULL, pte); -} - -static inline void pte_free(struct mm_struct *mm, pgtable_t pte) -{ - pgtable_page_dtor(pte); - quicklist_free_page(QUICK_PT, NULL, pte); -} - -#define __pte_free_tlb(tlb,pte,addr) \ -do { \ - pgtable_page_dtor(pte); \ - tlb_remove_page((tlb), pte); \ -} while (0) - -static inline void check_pgt_cache(void) -{ - quicklist_trim(QUICK_PGD, NULL, 25, 16); - quicklist_trim(QUICK_PT, NULL, 25, 16); -} - -#endif /* __ASM_AVR32_PGALLOC_H */ |