/* * linux/include/asm-arm/mmu_context.h * * Copyright (c) 1996 Russell King. * * Changelog: * 27-06-1996 RMK Created */ #ifndef __ASM_ARM_MMU_CONTEXT_H #define __ASM_ARM_MMU_CONTEXT_H #include #include #include #include #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, struct task_struct *tsk, unsigned int cpu) { if (prev != next) { cpu_switch_mm(__virt_to_phys((unsigned long)next->pgd), tsk); clear_bit(cpu, &prev->cpu_vm_mask); } set_bit(cpu, &next->cpu_vm_mask); } #define activate_mm(prev, next) \ switch_mm((prev),(next),NULL,smp_processor_id()) #endif