[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / powerpc / include / asm / 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
extern void pgtable_free_tlb(struct mmu_gather *tlb, void *table, unsigned shift);
extern void pte_free_finish(void);
#else /* CONFIG_SMP */
static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, unsigned shift)
{
	pgtable_free(table, shift);
}
static inline void pte_free_finish(void) { }
#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 */
Commit	Line	Data
047ea784 PM	1	#ifndef _ASM_POWERPC_PGALLOC_H
047ea784 PM	2	#define _ASM_POWERPC_PGALLOC_H
88ced031	3	#ifdef __KERNEL__
047ea784	4
0186f47e KG	5	#include <linux/mm.h>
0186f47e KG	6
c7cc58a1 BH	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
0186f47e KG	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
f88df14b DG	27	#ifdef CONFIG_PPC64
f88df14b DG	28	#include <asm/pgalloc-64.h>
047ea784	29	#else
f88df14b	30	#include <asm/pgalloc-32.h>
3c726f8d	31	#endif
1da177e4	32
0186f47e	33	#ifdef CONFIG_SMP
a0668cdc	34	extern void pgtable_free_tlb(struct mmu_gather tlb, void table, unsigned shift);
c7cc58a1 BH	35	extern void pte_free_finish(void);
c7cc58a1 BH	36	#else /* CONFIG_SMP */
a0668cdc	37	static inline void pgtable_free_tlb(struct mmu_gather tlb, void table, unsigned shift)
c7cc58a1	38	{
a0668cdc	39	pgtable_free(table, shift);
c7cc58a1 BH	40	}
	41	static inline void pte_free_finish(void) { }
	42	#endif /* !CONFIG_SMP */
0186f47e	43
c7cc58a1 BH	44	static inline void __pte_free_tlb(struct mmu_gather tlb, struct page ptepage,
	45	unsigned long address)
	46	{
c7cc58a1 BH	47	tlb_flush_pgtable(tlb, address);
c7cc58a1 BH	48	pgtable_page_dtor(ptepage);
a0668cdc	49	pgtable_free_tlb(tlb, page_address(ptepage), 0);
c7cc58a1	50	}
0186f47e	51
88ced031	52	#endif /* __KERNEL__ */
047ea784	53	#endif /* _ASM_POWERPC_PGALLOC_H */