mmu_context.h (855B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef _LINUX_MMU_CONTEXT_H 3#define _LINUX_MMU_CONTEXT_H 4 5#include <asm/mmu_context.h> 6#include <asm/mmu.h> 7 8/* Architectures that care about IRQ state in switch_mm can override this. */ 9#ifndef switch_mm_irqs_off 10# define switch_mm_irqs_off switch_mm 11#endif 12 13#ifndef leave_mm 14static inline void leave_mm(int cpu) { } 15#endif 16 17/* 18 * CPUs that are capable of running user task @p. Must contain at least one 19 * active CPU. It is assumed that the kernel can run on all CPUs, so calling 20 * this for a kernel thread is pointless. 21 * 22 * By default, we assume a sane, homogeneous system. 23 */ 24#ifndef task_cpu_possible_mask 25# define task_cpu_possible_mask(p) cpu_possible_mask 26# define task_cpu_possible(cpu, p) true 27#else 28# define task_cpu_possible(cpu, p) cpumask_test_cpu((cpu), task_cpu_possible_mask(p)) 29#endif 30 31#endif