fs: use kmem_cache_zalloc instead
[pv_ops_mirror.git] / include / asm-sparc / mmu_context.h
blob671a997b9e6961d4f543347b46266773c5abf622
1 #ifndef __SPARC_MMU_CONTEXT_H
2 #define __SPARC_MMU_CONTEXT_H
4 #include <asm/btfixup.h>
6 #ifndef __ASSEMBLY__
8 #include <asm-generic/mm_hooks.h>
10 static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
15 * Initialize a new mmu context. This is invoked when a new
16 * address space instance (unique or shared) is instantiated.
18 #define init_new_context(tsk, mm) (((mm)->context = NO_CONTEXT), 0)
21 * Destroy a dead context. This occurs when mmput drops the
22 * mm_users count to zero, the mmaps have been released, and
23 * all the page tables have been flushed. Our job is to destroy
24 * any remaining processor-specific state.
26 BTFIXUPDEF_CALL(void, destroy_context, struct mm_struct *)
28 #define destroy_context(mm) BTFIXUP_CALL(destroy_context)(mm)
30 /* Switch the current MM context. */
31 BTFIXUPDEF_CALL(void, switch_mm, struct mm_struct *, struct mm_struct *, struct task_struct *)
33 #define switch_mm(old_mm, mm, tsk) BTFIXUP_CALL(switch_mm)(old_mm, mm, tsk)
35 #define deactivate_mm(tsk,mm) do { } while (0)
37 /* Activate a new MM instance for the current task. */
38 #define activate_mm(active_mm, mm) switch_mm((active_mm), (mm), NULL)
40 #endif /* !(__ASSEMBLY__) */
42 #endif /* !(__SPARC_MMU_CONTEXT_H) */