Commit a1861dbf authored by Andrew Morton's avatar Andrew Morton Committed by Linus Torvalds

[PATCH] remove (start|end)_lazy_tlb()

Patch from William Lee Irwin III <wli@holomorphy.com>

Remove start_lazy_tlb() and end_lazy_tlb(), as they are unused.
parent 7f1707ca
...@@ -591,9 +591,6 @@ static inline int capable(int cap) ...@@ -591,9 +591,6 @@ static inline int capable(int cap)
*/ */
extern struct mm_struct * mm_alloc(void); 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 */ /* mmdrop drops the mm and the page tables */
extern inline void FASTCALL(__mmdrop(struct mm_struct *)); extern inline void FASTCALL(__mmdrop(struct mm_struct *));
static inline void mmdrop(struct mm_struct * mm) static inline void mmdrop(struct mm_struct * mm)
......
...@@ -434,33 +434,6 @@ void exit_fs(struct task_struct *tsk) ...@@ -434,33 +434,6 @@ void exit_fs(struct task_struct *tsk)
__exit_fs(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 * Turn us into a lazy TLB process if we
* aren't already.. * aren't already..
......
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