1 #ifndef _SPARC64_PGALLOC_H
2 #define _SPARC64_PGALLOC_H
4 #include <linux/kernel.h>
5 #include <linux/sched.h>
7 #include <linux/slab.h>
8 #include <linux/quicklist.h>
10 #include <asm/spitfire.h>
11 #include <asm/cpudata.h>
12 #include <asm/cacheflush.h>
15 /* Page table allocation/freeing. */
17 static inline pgd_t
*pgd_alloc(struct mm_struct
*mm
)
19 return quicklist_alloc(0, GFP_KERNEL
, NULL
);
22 static inline void pgd_free(struct mm_struct
*mm
, pgd_t
*pgd
)
24 quicklist_free(0, NULL
, pgd
);
27 #define pud_populate(MM, PUD, PMD) pud_set(PUD, PMD)
29 static inline pmd_t
*pmd_alloc_one(struct mm_struct
*mm
, unsigned long addr
)
31 return quicklist_alloc(0, GFP_KERNEL
, NULL
);
34 static inline void pmd_free(struct mm_struct
*mm
, pmd_t
*pmd
)
36 quicklist_free(0, NULL
, pmd
);
39 static inline pte_t
*pte_alloc_one_kernel(struct mm_struct
*mm
,
40 unsigned long address
)
42 return quicklist_alloc(0, GFP_KERNEL
, NULL
);
45 static inline pgtable_t
pte_alloc_one(struct mm_struct
*mm
,
46 unsigned long address
)
51 pg
= quicklist_alloc(0, GFP_KERNEL
, NULL
);
54 page
= virt_to_page(pg
);
55 pgtable_page_ctor(page
);
59 static inline void pte_free_kernel(struct mm_struct
*mm
, pte_t
*pte
)
61 quicklist_free(0, NULL
, pte
);
64 static inline void pte_free(struct mm_struct
*mm
, pgtable_t ptepage
)
66 pgtable_page_dtor(ptepage
);
67 quicklist_free_page(0, NULL
, ptepage
);
71 #define pmd_populate_kernel(MM, PMD, PTE) pmd_set(PMD, PTE)
72 #define pmd_populate(MM,PMD,PTE_PAGE) \
73 pmd_populate_kernel(MM,PMD,page_address(PTE_PAGE))
74 #define pmd_pgtable(pmd) pmd_page(pmd)
76 static inline void check_pgt_cache(void)
78 quicklist_trim(0, NULL
, 25, 16);
81 #endif /* _SPARC64_PGALLOC_H */