#ifndef _ASM_POWERPC_PGALLOC_H#define _ASM_POWERPC_PGALLOC_H#ifdef __KERNEL__ #include <linux/mm.h> #ifdef CONFIG_PPC_BOOK3Eextern 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_SMPstruct 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 */
#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 */