1 #ifndef _ASM_POWERPC_PGALLOC_H
2 #define _ASM_POWERPC_PGALLOC_H
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)
14 #endif /* !CONFIG_PPC_BOOK3E */
16 static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
18 free_page((unsigned long)pte);
21 static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage)
23 pgtable_page_dtor(ptepage);
27 typedef struct pgtable_free {
31 #define PGF_CACHENUM_MASK 0x7
33 static inline pgtable_free_t pgtable_free_cache(void *p, int cachenum,
36 BUG_ON(cachenum > PGF_CACHENUM_MASK);
38 return (pgtable_free_t){.val = ((unsigned long) p & ~mask) | cachenum};
42 #include <asm/pgalloc-64.h>
44 #include <asm/pgalloc-32.h>
48 extern void pgtable_free_tlb(struct mmu_gather *tlb, pgtable_free_t pgf);
49 extern void pte_free_finish(void);
50 #else /* CONFIG_SMP */
51 static inline void pgtable_free_tlb(struct mmu_gather *tlb, pgtable_free_t pgf)
55 static inline void pte_free_finish(void) { }
56 #endif /* !CONFIG_SMP */
58 static inline void __pte_free_tlb(struct mmu_gather *tlb, struct page *ptepage,
59 unsigned long address)
61 pgtable_free_t pgf = pgtable_free_cache(page_address(ptepage),
64 tlb_flush_pgtable(tlb, address);
65 pgtable_page_dtor(ptepage);
66 pgtable_free_tlb(tlb, pgf);
69 #endif /* __KERNEL__ */
70 #endif /* _ASM_POWERPC_PGALLOC_H */