1 /* $Id: pgalloc.h,v 1.30 2001/12/21 04:56:17 davem Exp $ */
2 #ifndef _SPARC64_PGALLOC_H
3 #define _SPARC64_PGALLOC_H
5 #include <linux/kernel.h>
6 #include <linux/sched.h>
8 #include <linux/slab.h>
10 #include <asm/spitfire.h>
11 #include <asm/cpudata.h>
12 #include <asm/cacheflush.h>
15 /* Page table allocation/freeing. */
16 extern struct kmem_cache *pgtable_cache;
18 static inline pgd_t *pgd_alloc(struct mm_struct *mm)
20 return kmem_cache_alloc(pgtable_cache, GFP_KERNEL);
23 static inline void pgd_free(pgd_t *pgd)
25 kmem_cache_free(pgtable_cache, pgd);
28 #define pud_populate(MM, PUD, PMD) pud_set(PUD, PMD)
30 static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
32 return kmem_cache_alloc(pgtable_cache,
33 GFP_KERNEL|__GFP_REPEAT);
36 static inline void pmd_free(pmd_t *pmd)
38 kmem_cache_free(pgtable_cache, pmd);
41 static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
42 unsigned long address)
44 return kmem_cache_alloc(pgtable_cache,
45 GFP_KERNEL|__GFP_REPEAT);
48 static inline struct page *pte_alloc_one(struct mm_struct *mm,
49 unsigned long address)
51 return virt_to_page(pte_alloc_one_kernel(mm, address));
54 static inline void pte_free_kernel(pte_t *pte)
56 kmem_cache_free(pgtable_cache, pte);
59 static inline void pte_free(struct page *ptepage)
61 pte_free_kernel(page_address(ptepage));
65 #define pmd_populate_kernel(MM, PMD, PTE) pmd_set(PMD, PTE)
66 #define pmd_populate(MM,PMD,PTE_PAGE) \
67 pmd_populate_kernel(MM,PMD,page_address(PTE_PAGE))
69 #define check_pgt_cache() do { } while (0)
71 #endif /* _SPARC64_PGALLOC_H */