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11#ifndef _SUN3_PGALLOC_H
12#define _SUN3_PGALLOC_H
13
14#include <asm/tlb.h>
15
16#include <asm-generic/pgalloc.h>
17
18extern const char bad_pmd_string[];
19
20#define __pte_free_tlb(tlb,pte,addr) \
21do { \
22 pgtable_pte_page_dtor(pte); \
23 tlb_remove_page((tlb), pte); \
24} while (0)
25
26static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte)
27{
28 pmd_val(*pmd) = __pa((unsigned long)pte);
29}
30
31static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, pgtable_t page)
32{
33 pmd_val(*pmd) = __pa((unsigned long)page_address(page));
34}
35#define pmd_pgtable(pmd) pmd_page(pmd)
36
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40
41#define pmd_free(mm, x) do { } while (0)
42
43static inline pgd_t * pgd_alloc(struct mm_struct *mm)
44{
45 pgd_t *new_pgd;
46
47 new_pgd = (pgd_t *)get_zeroed_page(GFP_KERNEL);
48 memcpy(new_pgd, swapper_pg_dir, PAGE_SIZE);
49 memset(new_pgd, 0, (PAGE_OFFSET >> PGDIR_SHIFT));
50 return new_pgd;
51}
52
53#endif
54