1 #ifndef _ASM_POWERPC_PGALLOC_H 2 #define _ASM_POWERPC_PGALLOC_H 3 #ifdef __KERNEL__ 4 5 #include <linux/mm.h> 6 7 #ifdef CONFIG_PPC_BOOK3E 8 extern void tlb_flush_pgtable(struct mmu_gather *tlb, unsigned long address); 9 #else /* CONFIG_PPC_BOOK3E */ 10 static inline void tlb_flush_pgtable(struct mmu_gather *tlb, 11 unsigned long address) 12 { 13 } 14 #endif /* !CONFIG_PPC_BOOK3E */ 15 16 static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) 17 { 18 free_page((unsigned long)pte); 19 } 20 21 static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage) 22 { 23 pgtable_page_dtor(ptepage); 24 __free_page(ptepage); 25 } 26 27 #ifdef CONFIG_PPC64 28 #include <asm/pgalloc-64.h> 29 #else 30 #include <asm/pgalloc-32.h> 31 #endif 32 33 #ifdef CONFIG_SMP 34 extern void pgtable_free_tlb(struct mmu_gather *tlb, void *table, unsigned shift); 35 extern void pte_free_finish(void); 36 #else /* CONFIG_SMP */ 37 static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, unsigned shift) 38 { 39 pgtable_free(table, shift); 40 } 41 static inline void pte_free_finish(void) { } 42 #endif /* !CONFIG_SMP */ 43 44 static inline void __pte_free_tlb(struct mmu_gather *tlb, struct page *ptepage, 45 unsigned long address) 46 { 47 tlb_flush_pgtable(tlb, address); 48 pgtable_page_dtor(ptepage); 49 pgtable_free_tlb(tlb, page_address(ptepage), 0); 50 } 51 52 #endif /* __KERNEL__ */ 53 #endif /* _ASM_POWERPC_PGALLOC_H */ 54