From: "Uladzislau Rezki (Sony)" <urezki@gmail.com>
To: LKML <linux-kernel@vger.kernel.org>, RCU <rcu@vger.kernel.org>,
"Paul E . McKenney" <paulmck@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Peter Zijlstra <peterz@infradead.org>,
Michal Hocko <mhocko@suse.com>,
Thomas Gleixner <tglx@linutronix.de>,
"Theodore Y . Ts'o" <tytso@mit.edu>,
Joel Fernandes <joel@joelfernandes.org>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
Uladzislau Rezki <urezki@gmail.com>,
Oleksiy Avramchenko <oleksiy.avramchenko@sonymobile.com>,
linux-mm@kvack.org
Subject: [PATCH 06/16] mm/pagemap: Cleanup PREEMPT_COUNT leftovers
Date: Thu, 29 Oct 2020 17:50:09 +0100 [thread overview]
Message-ID: <20201029165019.14218-6-urezki@gmail.com> (raw)
In-Reply-To: <20201029165019.14218-1-urezki@gmail.com>
From: Thomas Gleixner <tglx@linutronix.de>
CONFIG_PREEMPT_COUNT is now unconditionally enabled and will be
removed. Cleanup the leftovers before doing so.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-mm@kvack.org
Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
---
include/linux/pagemap.h | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index c77b7c31b2e4..cbfbe2bcca75 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -204,9 +204,7 @@ void release_pages(struct page **pages, int nr);
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.
--
2.20.1
next parent reply other threads:[~2020-10-29 16:50 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20201029165019.14218-1-urezki@gmail.com>
2020-10-29 16:50 ` Uladzislau Rezki (Sony) [this message]
2020-10-29 20:57 ` Uladzislau Rezki
2020-10-29 21:26 ` Paul E. McKenney
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