37 lines
952 B
Diff
37 lines
952 B
Diff
From: Thomas Gleixner <tglx@linutronix.de>
|
|
Date: Sat, 25 Jul 2009 22:06:27 +0200
|
|
Subject: mm: Remove preempt count from pagefault disable/enable
|
|
|
|
Now that all users are cleaned up, we can remove the preemption count.
|
|
|
|
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
|
|
---
|
|
mm/memory.c | 7 -------
|
|
1 file changed, 7 deletions(-)
|
|
|
|
Index: linux-3.4/mm/memory.c
|
|
===================================================================
|
|
--- linux-3.4.orig/mm/memory.c
|
|
+++ linux-3.4/mm/memory.c
|
|
@@ -3470,7 +3470,6 @@ unlock:
|
|
#ifdef CONFIG_PREEMPT_RT_FULL
|
|
void pagefault_disable(void)
|
|
{
|
|
- inc_preempt_count();
|
|
current->pagefault_disabled++;
|
|
/*
|
|
* make sure to have issued the store before a pagefault
|
|
@@ -3488,12 +3487,6 @@ void pagefault_enable(void)
|
|
*/
|
|
barrier();
|
|
current->pagefault_disabled--;
|
|
- dec_preempt_count();
|
|
- /*
|
|
- * make sure we do..
|
|
- */
|
|
- barrier();
|
|
- preempt_check_resched();
|
|
}
|
|
EXPORT_SYMBOL_GPL(pagefault_enable);
|
|
#endif
|