projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 047ea784 PM |
1 | #ifndef _ASM_POWERPC_PGALLOC_H |
| 2 | #define _ASM_POWERPC_PGALLOC_H | |
| 88ced031 | 3 | #ifdef __KERNEL__ |
| 047ea784 | 4 | |
| 0186f47e KG |
5 | #include <linux/mm.h> |
| 6 | ||
| 7 | static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) | |
| 8 | { | |
| 9 | free_page((unsigned long)pte); | |
| 10 | } | |
| 11 | ||
| 12 | static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage) | |
| 13 | { | |
| 14 | pgtable_page_dtor(ptepage); | |
| 15 | __free_page(ptepage); | |
| 16 | } | |
| 17 | ||
| 18 | typedef struct pgtable_free { | |
| 19 | unsigned long val; | |
| 20 | } pgtable_free_t; | |
| 21 | ||
| 22 | #define PGF_CACHENUM_MASK 0x7 | |
| 23 | ||
| 24 | static inline pgtable_free_t pgtable_free_cache(void *p, int cachenum, | |
| 25 | unsigned long mask) | |
| 26 | { | |
| 27 | BUG_ON(cachenum > PGF_CACHENUM_MASK); | |
| 28 | ||
| 29 | return (pgtable_free_t){.val = ((unsigned long) p & ~mask) | cachenum}; | |
| 30 | } | |
| 31 | ||
| f88df14b DG |
32 | #ifdef CONFIG_PPC64 |
| 33 | #include <asm/pgalloc-64.h> | |
| 047ea784 | 34 | #else |
| f88df14b | 35 | #include <asm/pgalloc-32.h> |
| 3c726f8d | 36 | #endif |
| 1da177e4 | 37 | |
| 0186f47e KG |
38 | extern void pgtable_free_tlb(struct mmu_gather *tlb, pgtable_free_t pgf); |
| 39 | ||
| 40 | #ifdef CONFIG_SMP | |
| 41 | #define __pte_free_tlb(tlb,ptepage) \ | |
| 42 | do { \ | |
| 43 | pgtable_page_dtor(ptepage); \ | |
| 44 | pgtable_free_tlb(tlb, pgtable_free_cache(page_address(ptepage), \ | |
| 45 | PTE_NONCACHE_NUM, PTE_TABLE_SIZE-1)); \ | |
| 46 | } while (0) | |
| 47 | #else | |
| 48 | #define __pte_free_tlb(tlb, pte) pte_free((tlb)->mm, (pte)) | |
| 49 | #endif | |
| 50 | ||
| 51 | ||
| 88ced031 | 52 | #endif /* __KERNEL__ */ |
| 047ea784 | 53 | #endif /* _ASM_POWERPC_PGALLOC_H */ |