#ifndef _ASM_POWERPC_PGALLOC_H #define _ASM_POWERPC_PGALLOC_H #ifdef __KERNEL__ #include <linux/mm.h> #ifdef CONFIG_PPC_BOOK3E extern void tlb_flush_pgtable(struct mmu_gather *tlb, unsigned long address); #else /* CONFIG_PPC_BOOK3E */ static inline void tlb_flush_pgtable(struct mmu_gather *tlb, unsigned long address) { } #endif /* !CONFIG_PPC_BOOK3E */ 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); } #ifdef CONFIG_PPC64 #include <asm/pgalloc-64.h> #else #include <asm/pgalloc-32.h> #endif #ifdef CONFIG_SMP struct mmu_gather; extern void tlb_remove_table(struct mmu_gather *, void *); static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, int shift) { unsigned long pgf = (unsigned long)table; BUG_ON(shift > MAX_PGTABLE_INDEX_SIZE); pgf |= shift; tlb_remove_table(tlb, (void *)pgf); } static inline void __tlb_remove_table(void *_table) { void *table = (void *)((unsigned long)_table & ~MAX_PGTABLE_INDEX_SIZE); unsigned shift = (unsigned long)_table & MAX_PGTABLE_INDEX_SIZE; pgtable_free(table, shift); } #else /* CONFIG_SMP */ static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, unsigned shift) { pgtable_free(table, shift); } #endif /* !CONFIG_SMP */ static inline void __pte_free_tlb(struct mmu_gather *tlb, struct page *ptepage, unsigned long address) { tlb_flush_pgtable(tlb, address); pgtable_page_dtor(ptepage); pgtable_free_tlb(tlb, page_address(ptepage), 0); } #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_PGALLOC_H */