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From: "Theodore Y. Ts'o" <tytso@mit.edu>
To: Catalin Marinas <catalin.marinas@arm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [REGRESSION] kmemleak: commit c566586818 causes failure to boot
Date: Mon, 14 Oct 2019 09:45:01 -0400	[thread overview]
Message-ID: <20191014134501.GE5564@mit.edu> (raw)
In-Reply-To: <20191014125115.GA19200@arrakis.emea.arm.com>

On Mon, Oct 14, 2019 at 01:51:15PM +0100, Catalin Marinas wrote:
> In your case, CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF=y, so it disables itself
> irrespective of the pool size and trips over the bug. Even with default
> off, it still involves the clean-up since kmemleak needs to track early
> allocations in case it is turned on by the kmemleak=on cmdline option.
> 
> So I think 16000 is sufficient in your case, the default-off triggered
> the bug (well, unless you find in the logs "kmemleak: Memory pool empty,
> consider increasing CONFIG_DEBUG_KMEMLEAK_MEM_POOL_SIZE").

Ah, got it, thanks for the clarification!

					- Ted

  reply	other threads:[~2019-10-14 13:45 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-14  2:26 [REGRESSION] kmemleak: commit c566586818 causes failure to boot Theodore Y. Ts'o
2019-10-14  7:03 ` Catalin Marinas
2019-10-14 11:50   ` Theodore Y. Ts'o
2019-10-14 12:51     ` Catalin Marinas
2019-10-14 13:45       ` Theodore Y. Ts'o [this message]
2019-10-14 15:57   ` Linus Torvalds
2019-10-14 16:27     ` Catalin Marinas

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