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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/frv/include/asm/mmu_context.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/frv/include/asm/mmu_context.h')
-rw-r--r--arch/frv/include/asm/mmu_context.h50
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/frv/include/asm/mmu_context.h b/arch/frv/include/asm/mmu_context.h
new file mode 100644
index 00000000..c7daa395
--- /dev/null
+++ b/arch/frv/include/asm/mmu_context.h
@@ -0,0 +1,50 @@
+/* mmu_context.h: MMU context management routines
+ *
+ * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _ASM_MMU_CONTEXT_H
+#define _ASM_MMU_CONTEXT_H
+
+#include <asm/setup.h>
+#include <asm/page.h>
+#include <asm/pgalloc.h>
+#include <asm-generic/mm_hooks.h>
+
+static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
+{
+}
+
+#ifdef CONFIG_MMU
+extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
+extern void change_mm_context(mm_context_t *old, mm_context_t *ctx, pgd_t *_pgd);
+extern void destroy_context(struct mm_struct *mm);
+
+#else
+#define init_new_context(tsk, mm) ({ 0; })
+#define change_mm_context(old, ctx, _pml4) do {} while(0)
+#define destroy_context(mm) do {} while(0)
+#endif
+
+#define switch_mm(prev, next, tsk) \
+do { \
+ if (prev != next) \
+ change_mm_context(&prev->context, &next->context, next->pgd); \
+} while(0)
+
+#define activate_mm(prev, next) \
+do { \
+ change_mm_context(&prev->context, &next->context, next->pgd); \
+} while(0)
+
+#define deactivate_mm(tsk, mm) \
+do { \
+} while(0)
+
+#endif