summaryrefslogtreecommitdiff
path: root/arch/um/kernel/skas/mmu.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/um/kernel/skas/mmu.c')
-rw-r--r--arch/um/kernel/skas/mmu.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/um/kernel/skas/mmu.c b/arch/um/kernel/skas/mmu.c
new file mode 100644
index 000000000000..6cb9a6d028a9
--- /dev/null
+++ b/arch/um/kernel/skas/mmu.c
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
+ * Licensed under the GPL
+ */
+
+#include "linux/sched.h"
+#include "linux/list.h"
+#include "linux/spinlock.h"
+#include "linux/slab.h"
+#include "asm/current.h"
+#include "asm/segment.h"
+#include "asm/mmu.h"
+#include "os.h"
+#include "skas.h"
+
+int init_new_context_skas(struct task_struct *task, struct mm_struct *mm)
+{
+ int from;
+
+ if((current->mm != NULL) && (current->mm != &init_mm))
+ from = current->mm->context.skas.mm_fd;
+ else from = -1;
+
+ mm->context.skas.mm_fd = new_mm(from);
+ if(mm->context.skas.mm_fd < 0){
+ printk("init_new_context_skas - new_mm failed, errno = %d\n",
+ mm->context.skas.mm_fd);
+ return(mm->context.skas.mm_fd);
+ }
+
+ return(0);
+}
+
+void destroy_context_skas(struct mm_struct *mm)
+{
+ os_close_file(mm->context.skas.mm_fd);
+}
+
+/*
+ * Overrides for Emacs so that we follow Linus's tabbing style.
+ * Emacs will notice this stuff at the end of the file and automatically
+ * adjust the settings for this buffer only. This must remain at the end
+ * of the file.
+ * ---------------------------------------------------------------------------
+ * Local variables:
+ * c-file-style: "linux"
+ * End:
+ */