LXR linux/arch/sparc/include/asm/mmu_context

   1#ifndef __SPARC_MMU_CONTEXT_H
   2#define __SPARC_MMU_CONTEXT_H
   3
   4#ifndef __ASSEMBLY__
   5
   6#include <asm-generic/mm_hooks.h>
   7
   8static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
   9{
  10}
  11
  12/* Initialize a new mmu context.  This is invoked when a new
  13 * address space instance (unique or shared) is instantiated.
  14 */
  15int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
  16
  17/* Destroy a dead context.  This occurs when mmput drops the
  18 * mm_users count to zero, the mmaps have been released, and
  19 * all the page tables have been flushed.  Our job is to destroy
  20 * any remaining processor-specific state.
  21 */
  22void destroy_context(struct mm_struct *mm);
  23
  24/* Switch the current MM context. */
  25void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm,
  26               struct task_struct *tsk);
  27
  28#define deactivate_mm(tsk,mm)   do { } while (0)
  29
  30/* Activate a new MM instance for the current task. */
  31#define activate_mm(active_mm, mm) switch_mm((active_mm), (mm), NULL)
  32
  33#endif /* !(__ASSEMBLY__) */
  34
  35#endif /* !(__SPARC_MMU_CONTEXT_H) */
  36