| #ifndef _ASM_POWERPC_PGALLOC_H | |
| #define _ASM_POWERPC_PGALLOC_H | |
| #ifdef __KERNEL__ | |
| #include <linux/mm.h> | |
| static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) | |
| { | |
| free_page((unsigned long)pte); | |
| } | |
| static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage) | |
| { | |
| pgtable_page_dtor(ptepage); | |
| __free_page(ptepage); | |
| } | |
| typedef struct pgtable_free { | |
| unsigned long val; | |
| } pgtable_free_t; | |
| #define PGF_CACHENUM_MASK 0x7 | |
| static inline pgtable_free_t pgtable_free_cache(void *p, int cachenum, | |
| unsigned long mask) | |
| { | |
| BUG_ON(cachenum > PGF_CACHENUM_MASK); | |
| return (pgtable_free_t){.val = ((unsigned long) p & ~mask) | cachenum}; | |
| } | |
| #ifdef CONFIG_PPC64 | |
| #include <asm/pgalloc-64.h> | |
| #else | |
| #include <asm/pgalloc-32.h> | |
| #endif | |
| extern void pgtable_free_tlb(struct mmu_gather *tlb, pgtable_free_t pgf); | |
| #ifdef CONFIG_SMP | |
| #define __pte_free_tlb(tlb,ptepage) \ | |
| do { \ | |
| pgtable_page_dtor(ptepage); \ | |
| pgtable_free_tlb(tlb, pgtable_free_cache(page_address(ptepage), \ | |
| PTE_NONCACHE_NUM, PTE_TABLE_SIZE-1)); \ | |
| } while (0) | |
| #else | |
| #define __pte_free_tlb(tlb, pte) pte_free((tlb)->mm, (pte)) | |
| #endif | |
| #endif /* __KERNEL__ */ | |
| #endif /* _ASM_POWERPC_PGALLOC_H */ |