tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * linux/arch/unicore32/mm/mm.h
3 *
4 * Code specific to PKUnity SoC and UniCore ISA
5 *
6 * Copyright (C) 2001-2010 GUAN Xue-tao
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12/* the upper-most page table pointer */
13extern pmd_t *top_pmd;
14extern int sysctl_overcommit_memory;
15
16#define TOP_PTE(x) pte_offset_kernel(top_pmd, x)
17
18static inline pmd_t *pmd_off(pgd_t *pgd, unsigned long virt)
19{
20 return pmd_offset((pud_t *)pgd, virt);
21}
22
23static inline pmd_t *pmd_off_k(unsigned long virt)
24{
25 return pmd_off(pgd_offset_k(virt), virt);
26}
27
28struct mem_type {
29 unsigned int prot_pte;
30 unsigned int prot_l1;
31 unsigned int prot_sect;
32};
33
34const struct mem_type *get_mem_type(unsigned int type);
35
36extern void __flush_dcache_page(struct address_space *, struct page *);
37
38void __init bootmem_init(void);
39void uc32_mm_memblock_reserve(void);