[patch 05/13] mm/pagemap: Clenaup PREEMPT_COUNT leftovers

Thomas Gleixner tglx at linutronix.de
Mon Sep 14 16:42:14 EDT 2020


CONFIG_PREEMPT_COUNT is now unconditionally enabled and will be
removed. Cleanup the leftovers before doing so.

Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
Cc: Andrew Morton <akpm at linux-foundation.org>
Cc: linux-mm at kvack.org
---
 include/linux/pagemap.h |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -168,9 +168,7 @@ void release_pages(struct page **pages,
 static inline int __page_cache_add_speculative(struct page *page, int count)
 {
 #ifdef CONFIG_TINY_RCU
-# ifdef CONFIG_PREEMPT_COUNT
-	VM_BUG_ON(!in_atomic() && !irqs_disabled());
-# endif
+	VM_BUG_ON(preemptible())
 	/*
 	 * Preempt must be disabled here - we rely on rcu_read_lock doing
 	 * this for us.




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