tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef _4LEVEL_FIXUP_H
2#define _4LEVEL_FIXUP_H
3
4#define __ARCH_HAS_4LEVEL_HACK
5#define __PAGETABLE_PUD_FOLDED
6
7#define PUD_SIZE PGDIR_SIZE
8#define PUD_MASK PGDIR_MASK
9#define PTRS_PER_PUD 1
10
11#define pud_t pgd_t
12
13#define pmd_alloc(mm, pud, address) \
14({ pmd_t *ret; \
15 if (pgd_none(*pud)) \
16 ret = __pmd_alloc(mm, pud, address); \
17 else \
18 ret = pmd_offset(pud, address); \
19 ret; \
20})
21
22#define pud_alloc(mm, pgd, address) (pgd)
23#define pud_offset(pgd, start) (pgd)
24#define pud_none(pud) 0
25#define pud_bad(pud) 0
26#define pud_present(pud) 1
27#define pud_ERROR(pud) do { } while (0)
28#define pud_clear(pud) pgd_clear(pud)
29
30#undef pud_free_tlb
31#define pud_free_tlb(tlb, x) do { } while (0)
32#define pud_free(x) do { } while (0)
33#define __pud_free_tlb(tlb, x) do { } while (0)
34
35#undef pud_addr_end
36#define pud_addr_end(addr, end) (end)
37
38#endif