| 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-stable/mm/memory.c |
| =================================================================== |
| --- linux-stable.orig/mm/memory.c |
| +++ linux-stable/mm/memory.c |
| @@ -3487,7 +3487,6 @@ 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 |
| @@ -3505,12 +3504,6 @@ 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 |
