diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/x86/include/asm/pgtable_32.h')
-rw-r--r-- | ANDROID_3.4.5/arch/x86/include/asm/pgtable_32.h | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/ANDROID_3.4.5/arch/x86/include/asm/pgtable_32.h b/ANDROID_3.4.5/arch/x86/include/asm/pgtable_32.h deleted file mode 100644 index 0c92113c..00000000 --- a/ANDROID_3.4.5/arch/x86/include/asm/pgtable_32.h +++ /dev/null @@ -1,87 +0,0 @@ -#ifndef _ASM_X86_PGTABLE_32_H -#define _ASM_X86_PGTABLE_32_H - -#include <asm/pgtable_32_types.h> - -/* - * The Linux memory management assumes a three-level page table setup. On - * the i386, we use that, but "fold" the mid level into the top-level page - * table, so that we physically have the same two-level page table as the - * i386 mmu expects. - * - * This file contains the functions and defines necessary to modify and use - * the i386 page table tree. - */ -#ifndef __ASSEMBLY__ -#include <asm/processor.h> -#include <asm/fixmap.h> -#include <linux/threads.h> -#include <asm/paravirt.h> - -#include <linux/bitops.h> -#include <linux/list.h> -#include <linux/spinlock.h> - -struct mm_struct; -struct vm_area_struct; - -extern pgd_t swapper_pg_dir[1024]; -extern pgd_t initial_page_table[1024]; - -static inline void pgtable_cache_init(void) { } -static inline void check_pgt_cache(void) { } -void paging_init(void); - -extern void set_pmd_pfn(unsigned long, unsigned long, pgprot_t); - - -/* - * Define this if things work differently on an i386 and an i486: - * it will (on an i486) warn about kernel memory accesses that are - * done without a 'access_ok(VERIFY_WRITE,..)' - */ -#undef TEST_ACCESS_OK - -#ifdef CONFIG_X86_PAE -# include <asm/pgtable-3level.h> -#else -# include <asm/pgtable-2level.h> -#endif - -#if defined(CONFIG_HIGHPTE) -#define pte_offset_map(dir, address) \ - ((pte_t *)kmap_atomic(pmd_page(*(dir))) + \ - pte_index((address))) -#define pte_unmap(pte) kunmap_atomic((pte)) -#else -#define pte_offset_map(dir, address) \ - ((pte_t *)page_address(pmd_page(*(dir))) + pte_index((address))) -#define pte_unmap(pte) do { } while (0) -#endif - -/* Clear a kernel PTE and flush it from the TLB */ -#define kpte_clear_flush(ptep, vaddr) \ -do { \ - pte_clear(&init_mm, (vaddr), (ptep)); \ - __flush_tlb_one((vaddr)); \ -} while (0) - -/* - * The i386 doesn't have any external MMU info: the kernel page - * tables contain all the necessary information. - */ -#define update_mmu_cache(vma, address, ptep) do { } while (0) - -#endif /* !__ASSEMBLY__ */ - -/* - * kern_addr_valid() is (1) for FLATMEM and (0) for - * SPARSEMEM and DISCONTIGMEM - */ -#ifdef CONFIG_FLATMEM -#define kern_addr_valid(addr) (1) -#else -#define kern_addr_valid(kaddr) (0) -#endif - -#endif /* _ASM_X86_PGTABLE_32_H */ |