linux-kernel - Re: [PATCH 2.6.20-rc1 00/10] Kernel memory leak detector 0.13

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Message-ID: <20061217090943.GA9246@elte.hu>
Date:	Sun, 17 Dec 2006 10:09:43 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Catalin Marinas <catalin.marinas@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2.6.20-rc1 00/10] Kernel memory leak detector 0.13

the other thing that is pretty ugly is the recursive_enter/clear/exit 
code. I'd suggest the lockdep model here: use a single flag in 
task_struct to detect recursion. Also, never use BUG() when hitting a 
bug in a debugging helper - that will crash the box. Use a flag to turn 
off the whole thing if you encounter an internal bug and print a 
warning. That way bugs can actually be reported, instead of users 
wondering why the box locked up under X.

	Ingo
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