tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef _5LEVEL_FIXUP_H
2#define _5LEVEL_FIXUP_H
3
4#define __ARCH_HAS_5LEVEL_HACK
5#define __PAGETABLE_P4D_FOLDED
6
7#define P4D_SHIFT PGDIR_SHIFT
8#define P4D_SIZE PGDIR_SIZE
9#define P4D_MASK PGDIR_MASK
10#define PTRS_PER_P4D 1
11
12#define p4d_t pgd_t
13
14#define pud_alloc(mm, p4d, address) \
15 ((unlikely(pgd_none(*(p4d))) && __pud_alloc(mm, p4d, address)) ? \
16 NULL : pud_offset(p4d, address))
17
18#define p4d_alloc(mm, pgd, address) (pgd)
19#define p4d_offset(pgd, start) (pgd)
20#define p4d_none(p4d) 0
21#define p4d_bad(p4d) 0
22#define p4d_present(p4d) 1
23#define p4d_ERROR(p4d) do { } while (0)
24#define p4d_clear(p4d) pgd_clear(p4d)
25#define p4d_val(p4d) pgd_val(p4d)
26#define p4d_populate(mm, p4d, pud) pgd_populate(mm, p4d, pud)
27#define p4d_page(p4d) pgd_page(p4d)
28#define p4d_page_vaddr(p4d) pgd_page_vaddr(p4d)
29
30#define __p4d(x) __pgd(x)
31#define set_p4d(p4dp, p4d) set_pgd(p4dp, p4d)
32
33#undef p4d_free_tlb
34#define p4d_free_tlb(tlb, x, addr) do { } while (0)
35#define p4d_free(mm, x) do { } while (0)
36#define __p4d_free_tlb(tlb, x, addr) do { } while (0)
37
38#undef p4d_addr_end
39#define p4d_addr_end(addr, end) (end)
40
41#endif