Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#ifdef __KERNEL__
2#ifndef _PPC_PGALLOC_H
3#define _PPC_PGALLOC_H
4
5#include <linux/config.h>
6#include <linux/threads.h>
7
8extern void __bad_pte(pmd_t *pmd);
9
10extern pgd_t *pgd_alloc(struct mm_struct *mm);
11extern void pgd_free(pgd_t *pgd);
12
13/*
14 * We don't have any real pmd's, and this code never triggers because
15 * the pgd will always be present..
16 */
17#define pmd_alloc_one(mm,address) ({ BUG(); ((pmd_t *)2); })
18#define pmd_free(x) do { } while (0)
19#define __pmd_free_tlb(tlb,x) do { } while (0)
20#define pgd_populate(mm, pmd, pte) BUG()
21
22#ifndef CONFIG_BOOKE
23#define pmd_populate_kernel(mm, pmd, pte) \
24 (pmd_val(*(pmd)) = __pa(pte) | _PMD_PRESENT)
25#define pmd_populate(mm, pmd, pte) \
26 (pmd_val(*(pmd)) = (page_to_pfn(pte) << PAGE_SHIFT) | _PMD_PRESENT)
27#else
28#define pmd_populate_kernel(mm, pmd, pte) \
29 (pmd_val(*(pmd)) = (unsigned long)pte | _PMD_PRESENT)
30#define pmd_populate(mm, pmd, pte) \
31 (pmd_val(*(pmd)) = (unsigned long)page_to_virt(pte) | _PMD_PRESENT)
32#endif
33
34extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr);
35extern struct page *pte_alloc_one(struct mm_struct *mm, unsigned long addr);
36extern void pte_free_kernel(pte_t *pte);
37extern void pte_free(struct page *pte);
38
39#define __pte_free_tlb(tlb, pte) pte_free((pte))
40
41#define check_pgt_cache() do { } while (0)
42
43#endif /* _PPC_PGALLOC_H */
44#endif /* __KERNEL__ */