lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Update MIPS to use the 4-level pagetable code thereby getting rid of

Browse Source 
the compacrapability headers.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle
2005-02-10 12:19:59 +00:00
parent 57f0060b8a
commit c6e8b58771
17 changed files with 179 additions and 101 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
include/asm-mips/pgalloc.h
View File

@@ -25,11 +25,23 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
set_pmd(pmd, __pmd((unsigned long)page_address(pte)));
}
/*
* Initialize a new pmd table with invalid pointers.
*/
extern void pmd_init(unsigned long page, unsigned long pagetable);
#ifdef CONFIG_64BIT
static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
{
set_pud(pud, __pud((unsigned long)pmd));
}
#endif
/*
* Initialize a new pgd / pmd table with invalid pointers.
*/
extern void pgd_init(unsigned long page);
extern void pmd_init(unsigned long page, unsigned long pagetable);
static inline pgd_t *pgd_alloc(struct mm_struct *mm)
{
@@ -86,21 +98,18 @@ static inline void pte_free(struct page *pte)
#define __pte_free_tlb(tlb,pte) tlb_remove_page((tlb),(pte))
#ifdef CONFIG_32BIT
#define pgd_populate(mm, pmd, pte) BUG()
/*
* allocating and freeing a pmd is trivial: the 1-entry pmd is
* inside the pgd, so has no extra memory associated with it.
*/
#define pmd_alloc_one(mm, addr) ({ BUG(); ((pmd_t *)2); })
#define pmd_free(x) do { } while (0)
#define __pmd_free_tlb(tlb,x) do { } while (0)
#endif
#ifdef CONFIG_64BIT
#define pgd_populate(mm, pgd, pmd) set_pgd(pgd, __pgd(pmd))
static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
{
pmd_t *pmd;