1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
6 #ifndef __UM_MMU_CONTEXT_H
7 #define __UM_MMU_CONTEXT_H
9 #include <linux/sched.h>
10 #include <linux/mm_types.h>
11 #include <linux/mmap_lock.h>
13 #include <asm/mm_hooks.h>
16 extern void force_flush_all(void);
18 #define activate_mm activate_mm
19 static inline void activate_mm(struct mm_struct *old, struct mm_struct *new)
22 * This is called by fs/exec.c and sys_unshare()
23 * when the new ->mm is used for the first time.
25 __switch_mm(&new->context.id);
28 static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
29 struct task_struct *tsk)
31 unsigned cpu = smp_processor_id();
34 cpumask_clear_cpu(cpu, mm_cpumask(prev));
35 cpumask_set_cpu(cpu, mm_cpumask(next));
37 __switch_mm(&next->context.id);
41 #define init_new_context init_new_context
42 extern int init_new_context(struct task_struct *task, struct mm_struct *mm);
44 #define destroy_context destroy_context
45 extern void destroy_context(struct mm_struct *mm);
47 #include <asm-generic/mmu_context.h>