patch-2.3.13 linux/include/asm-arm/mmu_context.h
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- Lines: 29
- Date:
Mon Aug 2 10:19:52 1999
- Orig file:
v2.3.12/linux/include/asm-arm/mmu_context.h
- Orig date:
Tue May 5 21:33:34 1998
diff -u --recursive --new-file v2.3.12/linux/include/asm-arm/mmu_context.h linux/include/asm-arm/mmu_context.h
@@ -9,10 +9,24 @@
#ifndef __ASM_ARM_MMU_CONTEXT_H
#define __ASM_ARM_MMU_CONTEXT_H
-#define get_mmu_context(x) do { } while (0)
+#include <asm/bitops.h>
+#include <asm/pgtable.h>
+#include <asm/arch/memory.h>
-#define init_new_context(mm) do { } while(0)
-#define destroy_context(mm) do { } while(0)
-#define activate_context(tsk) do { } while(0)
+#define destroy_context(mm) do { } while(0)
+#define init_new_context(tsk,mm) do { } while(0)
+
+/*
+ * This is the actual mm switch as far as the scheduler
+ * is concerned. No registers are touched.
+ */
+static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, unsigned int cpu)
+{
+ if (prev != next) {
+ processor.u.armv3v4._set_pgd(__virt_to_phys((unsigned long)next->pgd));
+ clear_bit(cpu, &prev->cpu_vm_mask);
+ }
+ set_bit(cpu, &next->cpu_vm_mask);
+}
#endif
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