diff options
Diffstat (limited to 'arch/ia64/include/asm/tlb.h')
| -rw-r--r-- | arch/ia64/include/asm/tlb.h | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/arch/ia64/include/asm/tlb.h b/arch/ia64/include/asm/tlb.h deleted file mode 100644 index a15fe0809a..0000000000 --- a/arch/ia64/include/asm/tlb.h +++ /dev/null @@ -1,50 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_IA64_TLB_H -#define _ASM_IA64_TLB_H -/* - * Based on <asm-generic/tlb.h>. - * - * Copyright (C) 2002-2003 Hewlett-Packard Co - * David Mosberger-Tang <davidm@hpl.hp.com> - */ -/* - * Removing a translation from a page table (including TLB-shootdown) is a four-step - * procedure: - * - * (1) Flush (virtual) caches --- ensures virtual memory is coherent with kernel memory - * (this is a no-op on ia64). - * (2) Clear the relevant portions of the page-table - * (3) Flush the TLBs --- ensures that stale content is gone from CPU TLBs - * (4) Release the pages that were freed up in step (2). - * - * Note that the ordering of these steps is crucial to avoid races on MP machines. - * - * The Linux kernel defines several platform-specific hooks for TLB-shootdown. When - * unmapping a portion of the virtual address space, these hooks are called according to - * the following template: - * - * tlb <- tlb_gather_mmu(mm); // start unmap for address space MM - * { - * for each vma that needs a shootdown do { - * tlb_start_vma(tlb, vma); - * for each page-table-entry PTE that needs to be removed do { - * tlb_remove_tlb_entry(tlb, pte, address); - * if (pte refers to a normal page) { - * tlb_remove_page(tlb, page); - * } - * } - * tlb_end_vma(tlb, vma); - * } - * } - * tlb_finish_mmu(tlb); // finish unmap for address space MM - */ -#include <linux/mm.h> -#include <linux/pagemap.h> -#include <linux/swap.h> - -#include <asm/processor.h> -#include <asm/tlbflush.h> - -#include <asm-generic/tlb.h> - -#endif /* _ASM_IA64_TLB_H */ |