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authorRalf Baechle <ralf@linux-mips.org>1998-05-07 02:55:41 +0000
committerRalf Baechle <ralf@linux-mips.org>1998-05-07 02:55:41 +0000
commitdcec8a13bf565e47942a1751a9cec21bec5648fe (patch)
tree548b69625b18cc2e88c3e68d0923be546c9ebb03 /include/asm-mips/mmu_context.h
parent2e0f55e79c49509b7ff70ff1a10e1e9e90a3dfd4 (diff)
o Merge with Linux 2.1.99.
o Fix ancient bug in the ELF loader making ldd crash. o Fix ancient bug in the keyboard code for SGI, SNI and Jazz.
Diffstat (limited to 'include/asm-mips/mmu_context.h')
-rw-r--r--include/asm-mips/mmu_context.h15
1 files changed, 13 insertions, 2 deletions
diff --git a/include/asm-mips/mmu_context.h b/include/asm-mips/mmu_context.h
index 87b12792e..9e237fade 100644
--- a/include/asm-mips/mmu_context.h
+++ b/include/asm-mips/mmu_context.h
@@ -1,11 +1,12 @@
-/*
+/* $Id: mmu_context.h,v 1.2 1998/05/05 10:22:01 ralf Exp $
+ *
* Switch a MMU context.
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * Copyright (C) 1996 by Ralf Baechle
+ * Copyright (C) 1996, 1997, 1998 by Ralf Baechle
*/
#ifndef __ASM_MIPS_MMU_CONTEXT_H
#define __ASM_MIPS_MMU_CONTEXT_H
@@ -62,4 +63,14 @@ extern inline void destroy_context(struct mm_struct *mm)
mm->context = 0;
}
+/*
+ * After we have set current->mm to a new value, this activates
+ * the context for the new mm so we see the new mappings.
+ */
+extern inline void activate_context(struct task_struct *tsk)
+{
+ get_mmu_context(tsk);
+ set_entryhi(tsk->mm->context);
+}
+
#endif /* __ASM_MIPS_MMU_CONTEXT_H */