pgalloc.h (0cce284537fb42d9c28b9b31038ffc9b464555f5) | pgalloc.h (814f91bf3ea0962e4f802324766bf301ef6f5431) |
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1/* 2 * This file is subject to the terms and conditions of the GNU General Public 3 * License. See the file "COPYING" in the main directory of this archive 4 * for more details. 5 * 6 * Copyright (C) 1994 - 2001, 2003 by Ralf Baechle 7 * Copyright (C) 1999, 2000, 2001 Silicon Graphics, Inc. 8 */ --- 29 unchanged lines hidden (view full) --- 38 set_pud(pud, __pud((unsigned long)pmd)); 39} 40#endif 41 42/* 43 * Initialize a new pgd / pmd table with invalid pointers. 44 */ 45extern void pgd_init(unsigned long page); | 1/* 2 * This file is subject to the terms and conditions of the GNU General Public 3 * License. See the file "COPYING" in the main directory of this archive 4 * for more details. 5 * 6 * Copyright (C) 1994 - 2001, 2003 by Ralf Baechle 7 * Copyright (C) 1999, 2000, 2001 Silicon Graphics, Inc. 8 */ --- 29 unchanged lines hidden (view full) --- 38 set_pud(pud, __pud((unsigned long)pmd)); 39} 40#endif 41 42/* 43 * Initialize a new pgd / pmd table with invalid pointers. 44 */ 45extern void pgd_init(unsigned long page); |
46extern pgd_t *pgd_alloc(struct mm_struct *mm); |
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46 | 47 |
47static inline pgd_t *pgd_alloc(struct mm_struct *mm) 48{ 49 pgd_t *ret, *init; 50 51 ret = (pgd_t *) __get_free_pages(GFP_KERNEL, PGD_ORDER); 52 if (ret) { 53 init = pgd_offset(&init_mm, 0UL); 54 pgd_init((unsigned long)ret); 55 memcpy(ret + USER_PTRS_PER_PGD, init + USER_PTRS_PER_PGD, 56 (PTRS_PER_PGD - USER_PTRS_PER_PGD) * sizeof(pgd_t)); 57 } 58 59 return ret; 60} 61 | |
62static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) 63{ 64 free_pages((unsigned long)pgd, PGD_ORDER); 65} 66 67static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, 68 unsigned long address) 69{ --- 62 unchanged lines hidden --- | 48static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) 49{ 50 free_pages((unsigned long)pgd, PGD_ORDER); 51} 52 53static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, 54 unsigned long address) 55{ --- 62 unchanged lines hidden --- |