39 lines
991 B
Diff
39 lines
991 B
Diff
From 6ba894c31b66b97bcb05d4b45631638341573b5a Mon Sep 17 00:00:00 2001
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From: Thomas Gleixner <tglx@linutronix.de>
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Date: Sat, 25 Jul 2009 22:06:27 +0200
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Subject: [PATCH 051/293] mm: Remove preempt count from pagefault
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disable/enable
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Now that all users are cleaned up, we can remove the preemption count.
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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---
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mm/memory.c | 7 -------
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1 file changed, 7 deletions(-)
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diff --git a/mm/memory.c b/mm/memory.c
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index c497561..f4d9bde 100644
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--- a/mm/memory.c
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+++ b/mm/memory.c
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@@ -3455,7 +3455,6 @@ unlock:
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#ifdef CONFIG_PREEMPT_RT_FULL
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void pagefault_disable(void)
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{
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- inc_preempt_count();
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current->pagefault_disabled++;
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/*
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* make sure to have issued the store before a pagefault
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@@ -3473,12 +3472,6 @@ void pagefault_enable(void)
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*/
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barrier();
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current->pagefault_disabled--;
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- dec_preempt_count();
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- /*
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- * make sure we do..
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- */
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- barrier();
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- preempt_check_resched();
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}
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EXPORT_SYMBOL_GPL(pagefault_enable);
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#endif
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