You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
53 lines
1.1 KiB
53 lines
1.1 KiB
20 years ago
|
#ifndef _CRIS_PGALLOC_H
|
||
|
|
#define _CRIS_PGALLOC_H
|
||
|
|
|
||
|
|
#include <linux/threads.h>
|
||
|
|
#include <linux/mm.h>
|
||
|
|
|
||
|
|
#define pmd_populate_kernel(mm, pmd, pte) pmd_set(pmd, pte)
|
||
|
|
#define pmd_populate(mm, pmd, pte) pmd_set(pmd, page_address(pte))
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Allocate and free page tables.
|
||
|
|
*/
|
||
|
|
|
||
|
|
extern inline pgd_t *pgd_alloc (struct mm_struct *mm)
|
||
|
|
{
|
||
|
|
return (pgd_t *)get_zeroed_page(GFP_KERNEL);
|
||
|
|
}
|
||
|
|
|
||
|
|
extern inline void pgd_free (pgd_t *pgd)
|
||
|
|
{
|
||
|
|
free_page((unsigned long)pgd);
|
||
|
|
}
|
||
|
|
|
||
|
|
extern inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
|
||
|
|
{
|
||
|
|
pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO);
|
||
|
|
return pte;
|
||
|
|
}
|
||
|
|
|
||
|
|
extern inline struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address)
|
||
|
|
{
|
||
|
|
struct page *pte;
|
||
|
|
pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO, 0);
|
||
|
|
return pte;
|
||
|
|
}
|
||
|
|
|
||
|
|
extern inline void pte_free_kernel(pte_t *pte)
|
||
|
|
{
|
||
|
|
free_page((unsigned long)pte);
|
||
|
|
}
|
||
|
|
|
||
|
|
extern inline void pte_free(struct page *pte)
|
||
|
|
{
|
||
|
|
__free_page(pte);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#define __pte_free_tlb(tlb,pte) tlb_remove_page((tlb),(pte))
|
||
|
|
|
||
|
|
#define check_pgt_cache() do { } while (0)
|
||
|
|
|
||
|
|
#endif
|