| #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,address) \ |
| 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, address) pte_free((tlb)->mm, (pte)) |
| #endif |
| |
| |
| #endif /* __KERNEL__ */ |
| #endif /* _ASM_POWERPC_PGALLOC_H */ |
