| From 8f56a24ee5c838e77eca3bafae7c3219123f6375 Mon Sep 17 00:00:00 2001 |
| From: Thomas Gleixner <tglx@linutronix.de> |
| Date: Sat, 25 Jul 2009 22:06:27 +0200 |
| Subject: [PATCH 037/256] 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(-) |
| |
| diff --git a/mm/memory.c b/mm/memory.c |
| index e996afe..346246c 100644 |
| --- a/mm/memory.c |
| +++ b/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 |
| -- |
| 1.7.10.4 |
| |
