From: Hillf Danton <hdanton@sina.com>
To: Jan Kara <jack@suse.cz>
Cc: LKML <linux-kernel@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Steven Rostedt <rostedt@goodmis.org>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
linux-mm@kvack.org, Mel Gorman <mgorman@suse.de>
Subject: Re: Crash with PREEMPT_RT on aarch64 machine
Date: Mon, 7 Nov 2022 22:43:02 +0800 [thread overview]
Message-ID: <20221107144302.892-1-hdanton@sina.com> (raw)
In-Reply-To: <20221107124149.bbcigolec3z7bfau@quack3>
On 7 Nov 2022 13:41:49 +0100 Jan Kara <jack@suse.cz>
> So in fact I made sure (by debug counters) that sb_mark_inode_writeback()
> and sb_clear_inode_writeback() get called the same number of times before
> evict() gets called. So your debug patch would change nothing AFAICT...
The same number you observed != the difference ihold + iput can make
since the added ihold ensures the crash has nothing to do with the
two functions mentioned if it reproduces. Right?
prev parent reply other threads:[~2022-11-07 14:43 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20221103115444.m2rjglbkubydidts@quack3>
2022-11-04 8:06 ` Hillf Danton
2022-11-07 12:41 ` Jan Kara
2022-11-07 14:43 ` Hillf Danton [this message]
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