[mirror_ubuntu-artful-kernel.git] / arch / sparc / include / asm / pgalloc_32.h

#ifndef _SPARC_PGALLOC_H
#define _SPARC_PGALLOC_H

#include <linux/kernel.h>
#include <linux/sched.h>

#include <asm/pgtsrmmu.h>
#include <asm/pgtable.h>
#include <asm/vaddrs.h>
#include <asm/page.h>

struct page;

void *srmmu_get_nocache(int size, int align);
void srmmu_free_nocache(void *addr, int size);

extern struct resource sparc_iomap;

#define check_pgt_cache()	do { } while (0)

pgd_t *get_pgd_fast(void);
static inline void free_pgd_fast(pgd_t *pgd)
{
	srmmu_free_nocache(pgd, SRMMU_PGD_TABLE_SIZE);
}

#define pgd_free(mm, pgd)	free_pgd_fast(pgd)
#define pgd_alloc(mm)	get_pgd_fast()

static inline void pgd_set(pgd_t * pgdp, pmd_t * pmdp)
{
	unsigned long pa = __nocache_pa((unsigned long)pmdp);

	set_pte((pte_t *)pgdp, (SRMMU_ET_PTD | (pa >> 4)));
}

#define pgd_populate(MM, PGD, PMD)      pgd_set(PGD, PMD)

static inline pmd_t *pmd_alloc_one(struct mm_struct *mm,
				   unsigned long address)
{
	return srmmu_get_nocache(SRMMU_PMD_TABLE_SIZE,
				 SRMMU_PMD_TABLE_SIZE);
}

static inline void free_pmd_fast(pmd_t * pmd)
{
	srmmu_free_nocache(pmd, SRMMU_PMD_TABLE_SIZE);
}

#define pmd_free(mm, pmd)		free_pmd_fast(pmd)
#define __pmd_free_tlb(tlb, pmd, addr)	pmd_free((tlb)->mm, pmd)

void pmd_populate(struct mm_struct *mm, pmd_t *pmdp, struct page *ptep);
#define pmd_pgtable(pmd) pmd_page(pmd)

void pmd_set(pmd_t *pmdp, pte_t *ptep);
#define pmd_populate_kernel(MM, PMD, PTE) pmd_set(PMD, PTE)

pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address);

static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
					  unsigned long address)
{
	return srmmu_get_nocache(PTE_SIZE, PTE_SIZE);
}


static inline void free_pte_fast(pte_t *pte)
{
	srmmu_free_nocache(pte, PTE_SIZE);
}

#define pte_free_kernel(mm, pte)	free_pte_fast(pte)

void pte_free(struct mm_struct * mm, pgtable_t pte);
#define __pte_free_tlb(tlb, pte, addr)	pte_free((tlb)->mm, pte)

#endif /* _SPARC_PGALLOC_H */
Commit	Line	Data
f5e706ad SR	1	#ifndef _SPARC_PGALLOC_H
	2	#define _SPARC_PGALLOC_H
	3
	4	#include <linux/kernel.h>
	5	#include <linux/sched.h>
	6
642ea3ed	7	#include <asm/pgtsrmmu.h>
642ea3ed SR	8	#include <asm/pgtable.h>
	9	#include <asm/vaddrs.h>
	10	#include <asm/page.h>
f5e706ad SR	11
	12	struct page;
	13
f71a2aac SR	14	void *srmmu_get_nocache(int size, int align);
f71a2aac SR	15	void srmmu_free_nocache(void *addr, int size);
642ea3ed	16
c31f7651 SR	17	extern struct resource sparc_iomap;
c31f7651 SR	18
37743487	19	#define check_pgt_cache() do { } while (0)
f5e706ad	20
642ea3ed SR	21	pgd_t *get_pgd_fast(void);
	22	static inline void free_pgd_fast(pgd_t *pgd)
	23	{
f71a2aac	24	srmmu_free_nocache(pgd, SRMMU_PGD_TABLE_SIZE);
642ea3ed	25	}
f5e706ad SR	26
	27	#define pgd_free(mm, pgd) free_pgd_fast(pgd)
	28	#define pgd_alloc(mm) get_pgd_fast()
	29
642ea3ed SR	30	static inline void pgd_set(pgd_t * pgdp, pmd_t * pmdp)
	31	{
	32	unsigned long pa = __nocache_pa((unsigned long)pmdp);
	33
	34	set_pte((pte_t *)pgdp, (SRMMU_ET_PTD \| (pa >> 4)));
	35	}
	36
f5e706ad SR	37	#define pgd_populate(MM, PGD, PMD) pgd_set(PGD, PMD)
f5e706ad SR	38
642ea3ed SR	39	static inline pmd_t pmd_alloc_one(struct mm_struct mm,
	40	unsigned long address)
	41	{
f71a2aac SR	42	return srmmu_get_nocache(SRMMU_PMD_TABLE_SIZE,
f71a2aac SR	43	SRMMU_PMD_TABLE_SIZE);
642ea3ed	44	}
f5e706ad	45
642ea3ed SR	46	static inline void free_pmd_fast(pmd_t * pmd)
642ea3ed SR	47	{
f71a2aac	48	srmmu_free_nocache(pmd, SRMMU_PMD_TABLE_SIZE);
642ea3ed	49	}
f5e706ad	50
9e1b32ca BH	51	#define pmd_free(mm, pmd) free_pmd_fast(pmd)
9e1b32ca BH	52	#define __pmd_free_tlb(tlb, pmd, addr) pmd_free((tlb)->mm, pmd)
f5e706ad	53
642ea3ed	54	void pmd_populate(struct mm_struct mm, pmd_t pmdp, struct page *ptep);
f5e706ad	55	#define pmd_pgtable(pmd) pmd_page(pmd)
f5e706ad	56
642ea3ed SR	57	void pmd_set(pmd_t pmdp, pte_t ptep);
	58	#define pmd_populate_kernel(MM, PMD, PTE) pmd_set(PMD, PTE)
	59
	60	pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address);
	61
	62	static inline pte_t pte_alloc_one_kernel(struct mm_struct mm,
	63	unsigned long address)
	64	{
f71a2aac	65	return srmmu_get_nocache(PTE_SIZE, PTE_SIZE);
642ea3ed SR	66	}
	67
	68
	69	static inline void free_pte_fast(pte_t *pte)
	70	{
f71a2aac	71	srmmu_free_nocache(pte, PTE_SIZE);
642ea3ed	72	}
f5e706ad	73
642ea3ed	74	#define pte_free_kernel(mm, pte) free_pte_fast(pte)
f5e706ad	75
642ea3ed	76	void pte_free(struct mm_struct * mm, pgtable_t pte);
9e1b32ca	77	#define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, pte)
f5e706ad SR	78
f5e706ad SR	79	#endif /* _SPARC_PGALLOC_H */