OpenCloudOS-Kernel/arch/cris/include/asm/mmu_context.h

35 lines
888 B
C

#ifndef __CRIS_MMU_CONTEXT_H
#define __CRIS_MMU_CONTEXT_H
#include <asm-generic/mm_hooks.h>
extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
extern void get_mmu_context(struct mm_struct *mm);
extern void destroy_context(struct mm_struct *mm);
extern void switch_mm(struct mm_struct *prev, struct mm_struct *next,
struct task_struct *tsk);
#define deactivate_mm(tsk,mm) do { } while (0)
static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next)
{
unsigned long flags;
local_irq_save(flags);
switch_mm(prev, next, NULL);
local_irq_restore(flags);
}
/* current active pgd - this is similar to other processors pgd
* registers like cr3 on the i386
*/
/* defined in arch/cris/mm/fault.c */
DECLARE_PER_CPU(pgd_t *, current_pgd);
static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
{
}
#endif