| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef _CRIS_PGALLOC_H | 
 | 2 | #define _CRIS_PGALLOC_H | 
 | 3 |  | 
 | 4 | #include <linux/threads.h> | 
 | 5 | #include <linux/mm.h> | 
 | 6 |  | 
 | 7 | #define pmd_populate_kernel(mm, pmd, pte) pmd_set(pmd, pte) | 
 | 8 | #define pmd_populate(mm, pmd, pte) pmd_set(pmd, page_address(pte)) | 
 | 9 |  | 
 | 10 | /* | 
 | 11 |  * Allocate and free page tables. | 
 | 12 |  */ | 
 | 13 |  | 
| Adrian Bunk | d9b5444 | 2005-11-07 00:58:44 -0800 | [diff] [blame] | 14 | static inline pgd_t *pgd_alloc (struct mm_struct *mm) | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 15 | { | 
 | 16 | 	return (pgd_t *)get_zeroed_page(GFP_KERNEL); | 
 | 17 | } | 
 | 18 |  | 
| Adrian Bunk | d9b5444 | 2005-11-07 00:58:44 -0800 | [diff] [blame] | 19 | static inline void pgd_free (pgd_t *pgd) | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | { | 
 | 21 | 	free_page((unsigned long)pgd); | 
 | 22 | } | 
 | 23 |  | 
| Adrian Bunk | d9b5444 | 2005-11-07 00:58:44 -0800 | [diff] [blame] | 24 | static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | { | 
 | 26 |   	pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO); | 
 | 27 |  	return pte; | 
 | 28 | } | 
 | 29 |  | 
| Adrian Bunk | d9b5444 | 2005-11-07 00:58:44 -0800 | [diff] [blame] | 30 | static inline struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address) | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | { | 
 | 32 | 	struct page *pte; | 
 | 33 | 	pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO, 0); | 
 | 34 | 	return pte; | 
 | 35 | } | 
 | 36 |  | 
| Adrian Bunk | d9b5444 | 2005-11-07 00:58:44 -0800 | [diff] [blame] | 37 | static inline void pte_free_kernel(pte_t *pte) | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | { | 
 | 39 | 	free_page((unsigned long)pte); | 
 | 40 | } | 
 | 41 |  | 
| Adrian Bunk | d9b5444 | 2005-11-07 00:58:44 -0800 | [diff] [blame] | 42 | static inline void pte_free(struct page *pte) | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 43 | { | 
 | 44 | 	__free_page(pte); | 
 | 45 | } | 
 | 46 |  | 
 | 47 |  | 
 | 48 | #define __pte_free_tlb(tlb,pte) tlb_remove_page((tlb),(pte)) | 
 | 49 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | #define check_pgt_cache()          do { } while (0) | 
 | 51 |  | 
 | 52 | #endif |