mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-31 00:17:44 +00:00
7486a38f68
page_to_virt and lowmem_page_address provided equiavlent functionality so use the more standard lowmem_page_address This also addresses build issue in ARCH=powerpc since page_to_virt() has been removed from include/asm-powerpc/page.h Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
44 lines
1.4 KiB
C
44 lines
1.4 KiB
C
#ifdef __KERNEL__
|
|
#ifndef _PPC_PGALLOC_H
|
|
#define _PPC_PGALLOC_H
|
|
|
|
#include <linux/config.h>
|
|
#include <linux/threads.h>
|
|
|
|
extern void __bad_pte(pmd_t *pmd);
|
|
|
|
extern pgd_t *pgd_alloc(struct mm_struct *mm);
|
|
extern void pgd_free(pgd_t *pgd);
|
|
|
|
/*
|
|
* We don't have any real pmd's, and this code never triggers because
|
|
* the pgd will always be present..
|
|
*/
|
|
#define pmd_alloc_one(mm,address) ({ BUG(); ((pmd_t *)2); })
|
|
#define pmd_free(x) do { } while (0)
|
|
#define __pmd_free_tlb(tlb,x) do { } while (0)
|
|
#define pgd_populate(mm, pmd, pte) BUG()
|
|
|
|
#ifndef CONFIG_BOOKE
|
|
#define pmd_populate_kernel(mm, pmd, pte) \
|
|
(pmd_val(*(pmd)) = __pa(pte) | _PMD_PRESENT)
|
|
#define pmd_populate(mm, pmd, pte) \
|
|
(pmd_val(*(pmd)) = (page_to_pfn(pte) << PAGE_SHIFT) | _PMD_PRESENT)
|
|
#else
|
|
#define pmd_populate_kernel(mm, pmd, pte) \
|
|
(pmd_val(*(pmd)) = (unsigned long)pte | _PMD_PRESENT)
|
|
#define pmd_populate(mm, pmd, pte) \
|
|
(pmd_val(*(pmd)) = (unsigned long)lowmem_page_address(pte) | _PMD_PRESENT)
|
|
#endif
|
|
|
|
extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr);
|
|
extern struct page *pte_alloc_one(struct mm_struct *mm, unsigned long addr);
|
|
extern void pte_free_kernel(pte_t *pte);
|
|
extern void pte_free(struct page *pte);
|
|
|
|
#define __pte_free_tlb(tlb, pte) pte_free((pte))
|
|
|
|
#define check_pgt_cache() do { } while (0)
|
|
|
|
#endif /* _PPC_PGALLOC_H */
|
|
#endif /* __KERNEL__ */
|