From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Sat, 16 Apr 2005 15:20:36 -0700 Subject: Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip! --- include/asm-cris/pgalloc.h | 62 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 include/asm-cris/pgalloc.h (limited to 'include/asm-cris/pgalloc.h') diff --git a/include/asm-cris/pgalloc.h b/include/asm-cris/pgalloc.h new file mode 100644 index 00000000000..b202e62ed6e --- /dev/null +++ b/include/asm-cris/pgalloc.h @@ -0,0 +1,62 @@ +#ifndef _CRIS_PGALLOC_H +#define _CRIS_PGALLOC_H + +#include +#include + +#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)) + +/* + * 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, addr) ({ 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() + +#define check_pgt_cache() do { } while (0) + +#endif -- cgit v1.2.3