summaryrefslogtreecommitdiff
path: root/include/asm-arm/pgalloc.h
diff options
context:
space:
mode:
authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-08-02 13:55:55 +0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-08-03 00:32:35 +0400
commit4baa9922430662431231ac637adedddbb0cfb2d7 (patch)
treee8fb765ce3e41c01f33de34a0bc9494f0ae19818 /include/asm-arm/pgalloc.h
parentff4db0a043a5dee7180bdffd178e61cd02812c68 (diff)
downloadlinux-4baa9922430662431231ac637adedddbb0cfb2d7.tar.xz
[ARM] move include/asm-arm to arch/arm/include/asm
Move platform independent header files to arch/arm/include/asm, leaving those in asm/arch* and asm/plat* alone. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/asm-arm/pgalloc.h')
-rw-r--r--include/asm-arm/pgalloc.h136
1 files changed, 0 insertions, 136 deletions
diff --git a/include/asm-arm/pgalloc.h b/include/asm-arm/pgalloc.h
deleted file mode 100644
index 163b0305dd76..000000000000
--- a/include/asm-arm/pgalloc.h
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
- * linux/include/asm-arm/pgalloc.h
- *
- * Copyright (C) 2000-2001 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#ifndef _ASMARM_PGALLOC_H
-#define _ASMARM_PGALLOC_H
-
-#include <asm/domain.h>
-#include <asm/pgtable-hwdef.h>
-#include <asm/processor.h>
-#include <asm/cacheflush.h>
-#include <asm/tlbflush.h>
-
-#define check_pgt_cache() do { } while (0)
-
-#ifdef CONFIG_MMU
-
-#define _PAGE_USER_TABLE (PMD_TYPE_TABLE | PMD_BIT4 | PMD_DOMAIN(DOMAIN_USER))
-#define _PAGE_KERNEL_TABLE (PMD_TYPE_TABLE | PMD_BIT4 | PMD_DOMAIN(DOMAIN_KERNEL))
-
-/*
- * Since we have only two-level page tables, these are trivial
- */
-#define pmd_alloc_one(mm,addr) ({ BUG(); ((pmd_t *)2); })
-#define pmd_free(mm, pmd) do { } while (0)
-#define pgd_populate(mm,pmd,pte) BUG()
-
-extern pgd_t *get_pgd_slow(struct mm_struct *mm);
-extern void free_pgd_slow(struct mm_struct *mm, pgd_t *pgd);
-
-#define pgd_alloc(mm) get_pgd_slow(mm)
-#define pgd_free(mm, pgd) free_pgd_slow(mm, pgd)
-
-/*
- * Allocate one PTE table.
- *
- * This actually allocates two hardware PTE tables, but we wrap this up
- * into one table thus:
- *
- * +------------+
- * | h/w pt 0 |
- * +------------+
- * | h/w pt 1 |
- * +------------+
- * | Linux pt 0 |
- * +------------+
- * | Linux pt 1 |
- * +------------+
- */
-static inline pte_t *
-pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr)
-{
- pte_t *pte;
-
- pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO);
- if (pte) {
- clean_dcache_area(pte, sizeof(pte_t) * PTRS_PER_PTE);
- pte += PTRS_PER_PTE;
- }
-
- return pte;
-}
-
-static inline pgtable_t
-pte_alloc_one(struct mm_struct *mm, unsigned long addr)
-{
- struct page *pte;
-
- pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO, 0);
- if (pte) {
- void *page = page_address(pte);
- clean_dcache_area(page, sizeof(pte_t) * PTRS_PER_PTE);
- pgtable_page_ctor(pte);
- }
-
- return pte;
-}
-
-/*
- * Free one PTE table.
- */
-static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
-{
- if (pte) {
- pte -= PTRS_PER_PTE;
- free_page((unsigned long)pte);
- }
-}
-
-static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
-{
- pgtable_page_dtor(pte);
- __free_page(pte);
-}
-
-static inline void __pmd_populate(pmd_t *pmdp, unsigned long pmdval)
-{
- pmdp[0] = __pmd(pmdval);
- pmdp[1] = __pmd(pmdval + 256 * sizeof(pte_t));
- flush_pmd_entry(pmdp);
-}
-
-/*
- * Populate the pmdp entry with a pointer to the pte. This pmd is part
- * of the mm address space.
- *
- * Ensure that we always set both PMD entries.
- */
-static inline void
-pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmdp, pte_t *ptep)
-{
- unsigned long pte_ptr = (unsigned long)ptep;
-
- /*
- * The pmd must be loaded with the physical
- * address of the PTE table
- */
- pte_ptr -= PTRS_PER_PTE * sizeof(void *);
- __pmd_populate(pmdp, __pa(pte_ptr) | _PAGE_KERNEL_TABLE);
-}
-
-static inline void
-pmd_populate(struct mm_struct *mm, pmd_t *pmdp, pgtable_t ptep)
-{
- __pmd_populate(pmdp, page_to_pfn(ptep) << PAGE_SHIFT | _PAGE_USER_TABLE);
-}
-#define pmd_pgtable(pmd) pmd_page(pmd)
-
-#endif /* CONFIG_MMU */
-
-#endif