linux-kernel - Re: [PATCH] vmalloc: add warning in _

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Date:	Thu, 03 May 2012 08:55:38 +0300
From:	Artem Bityutskiy <dedekind1@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Minchan Kim <minchan@...nel.org>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, kosaki.motohiro@...il.com,
	rientjes@...gle.com, Neil Brown <neilb@...e.de>,
	David Woodhouse <dwmw2@...radead.org>,
	Theodore Ts'o <tytso@....edu>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Steven Whitehouse <swhiteho@...hat.com>,
	"David S. Miller" <davem@...emloft.net>,
	James Morris <jmorris@...ei.org>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Sage Weil <sage@...dream.net>
Subject: Re: [PATCH] vmalloc: add warning in __vmalloc

On Wed, 2012-05-02 at 12:46 -0700, Andrew Morton wrote:
> Well.  What are we actually doing here?  Causing the kernel to spew a
> warning due to known-buggy callsites, so that users will report the
> warnings, eventually goading maintainers into fixing their stuff.
> 
> This isn't very efficient :(

I'll look at UBIFS and UBI - they use vmalloc and probably some of them
may be in write-back paths.

-- 
Best Regards,
Artem Bityutskiy

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