From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH 0/3] Replace kmalloc with vmalloc in seq_files
Date: Thu, 22 Sep 2011 17:23:28 -0400
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Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Ingo Molnar <mingo@elte.hu>,
	Peter Zijlstra <peterz@infradead.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Alexey Dobriyan <adobriyan@gmail.com>
To: Colin Cross <ccross@android.com>
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On Thu, Sep 22, 2011 at 01:57:06PM -0700, Colin Cross wrote:
> seq_files are often used for debugging data.  When the system is under
> memory pressure, and dumping debugging data starts trying to allocate
> large physically contiguous buffers, it often makes the problem worse.

Please fix the instances that you see issues with by using the full
seq_file interface which was designed for his instead of the simplified
"single" interface that is only designed for small amounts of data.