From a1861dbf7d0232b9dfceefdabf09f849c67db7d4 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Tue, 18 Feb 2003 05:29:19 -0800 Subject: [PATCH] [PATCH] remove (start|end)_lazy_tlb() Patch from William Lee Irwin III Remove start_lazy_tlb() and end_lazy_tlb(), as they are unused. --- include/linux/sched.h | 3 --- kernel/exit.c | 27 --------------------------- 2 files changed, 30 deletions(-) diff --git a/include/linux/sched.h b/include/linux/sched.h index ff0fcd301ba18..c3fc6fc5ed9ab 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -591,9 +591,6 @@ static inline int capable(int cap) */ extern struct mm_struct * mm_alloc(void); -extern struct mm_struct * start_lazy_tlb(void); -extern void end_lazy_tlb(struct mm_struct *mm); - /* mmdrop drops the mm and the page tables */ extern inline void FASTCALL(__mmdrop(struct mm_struct *)); static inline void mmdrop(struct mm_struct * mm) diff --git a/kernel/exit.c b/kernel/exit.c index 6b2f1113b926c..c45159219e836 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -434,33 +434,6 @@ void exit_fs(struct task_struct *tsk) __exit_fs(tsk); } -/* - * We can use these to temporarily drop into - * "lazy TLB" mode and back. - */ -struct mm_struct * start_lazy_tlb(void) -{ - struct mm_struct *mm = current->mm; - current->mm = NULL; - /* active_mm is still 'mm' */ - atomic_inc(&mm->mm_count); - enter_lazy_tlb(mm, current, smp_processor_id()); - return mm; -} - -void end_lazy_tlb(struct mm_struct *mm) -{ - struct mm_struct *active_mm = current->active_mm; - - current->mm = mm; - if (mm != active_mm) { - current->active_mm = mm; - activate_mm(active_mm, mm); - } - mmdrop(active_mm); -} - - /* * Turn us into a lazy TLB process if we * aren't already.. -- 2.53.0