From 39924d44ecc1c17b703cbb7e0437dfc1e3cd739b Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Sat, 25 Jul 2009 22:06:27 +0200 Subject: [PATCH 051/271] 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 --- mm/memory.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/mm/memory.c b/mm/memory.c index a3f7ed8..7fa62d9 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3447,7 +3447,6 @@ 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 @@ -3465,12 +3464,6 @@ 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