[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>

diff --git a/arch/arm/mm/Makefile b/arch/arm/mm/Makefile
index 21a2770226ee418e9756d2a6663a255850352333..1a1563f859af624f06c6125a479b97d60163607a 100644 (file)
--- a/arch/arm/mm/Makefile
+++ b/arch/arm/mm/Makefile
@@ -33,7 +33,7 @@ obj-$(CONFIG_CPU_CACHE_V6)    += cache-v6.o
 obj-$(CONFIG_CPU_COPY_V3)      += copypage-v3.o
 obj-$(CONFIG_CPU_COPY_V4WT)    += copypage-v4wt.o
 obj-$(CONFIG_CPU_COPY_V4WB)    += copypage-v4wb.o
-obj-$(CONFIG_CPU_COPY_V6)      += copypage-v6.o mmu.o
+obj-$(CONFIG_CPU_COPY_V6)      += copypage-v6.o context.o
 obj-$(CONFIG_CPU_SA1100)       += copypage-v4mc.o
 obj-$(CONFIG_CPU_XSCALE)       += copypage-xscale.o
 obj-$(CONFIG_CPU_XSC3)         += copypage-xsc3.o

diff --git a/arch/arm/mm/context.c b/arch/arm/mm/context.c
new file mode 100644 (file)
index 0000000..79e8002
--- /dev/null
+++ b/arch/arm/mm/context.c
@@ -0,0 +1,45 @@
+/*
+ *  linux/arch/arm/mm/context.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;
+}

diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
deleted file mode 100644 (file)
index 0d90227..0000000
--- 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;
-}