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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2006-08-21 19:23:38 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2006-09-20 14:58:35 +0100 |
| commit | d84b47115a04d9f6b0da777e8aa8cd930d5b6b8b (patch) | |
| tree | 7ec15930b462387c6f740d9acb82c854c5cf7d87 /arch/arm/mm/mmu.c | |
| parent | 1b2e2b73b4c84c918686c04a00724197036c0847 (diff) | |
| download | kernel-common-d84b47115a04d9f6b0da777e8aa8cd930d5b6b8b.tar.gz kernel-common-d84b47115a04d9f6b0da777e8aa8cd930d5b6b8b.tar.bz2 kernel-common-d84b47115a04d9f6b0da777e8aa8cd930d5b6b8b.zip | |
[ARM] Move mmu.c out of the way
Rename mmu.c to context.c - it's the ARMv6 ASID context handling
code rather than generic "mmu" handling code.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm/mmu.c')
| -rw-r--r-- | arch/arm/mm/mmu.c | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c deleted file mode 100644 index 0d90227a0a32..000000000000 --- a/arch/arm/mm/mmu.c +++ /dev/null @@ -1,45 +0,0 @@ -/* - * linux/arch/arm/mm/mmu.c - * - * Copyright (C) 2002-2003 Deep Blue Solutions Ltd, all rights reserved. - * - * 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. - */ -#include <linux/init.h> -#include <linux/sched.h> -#include <linux/mm.h> - -#include <asm/mmu_context.h> -#include <asm/tlbflush.h> - -unsigned int cpu_last_asid = { 1 << ASID_BITS }; - -/* - * We fork()ed a process, and we need a new context for the child - * to run in. We reserve version 0 for initial tasks so we will - * always allocate an ASID. - */ -void __init_new_context(struct task_struct *tsk, struct mm_struct *mm) -{ - mm->context.id = 0; -} - -void __new_context(struct mm_struct *mm) -{ - unsigned int asid; - - asid = ++cpu_last_asid; - if (asid == 0) - asid = cpu_last_asid = 1 << ASID_BITS; - - /* - * If we've used up all our ASIDs, we need - * to start a new version and flush the TLB. - */ - if ((asid & ~ASID_MASK) == 0) - flush_tlb_all(); - - mm->context.id = asid; -} |