From: Dan Magenheimer <dan.magenheimer@oracle.com>
To: Rolf Eike Beer <eike-kernel@sf-tec.de>
Cc: linux-mm <linux-mm@kvack.org>
Subject: Re: [PATCH] fix cleancache config
Date: Thu, 23 Jun 2011 18:12:01 -0700 (PDT) [thread overview]
Message-ID: <07301036-485e-4b0e-88db-7937857d1977@default> (raw)
> It doesn't make sense to have a default setting different to that what we
> suggest the user to select.
Even when configured on at compile time, cleancache functionality
is inert unless the hooks are registered by a "backend" (e.g.
zcache or Xen or other future code). If configured on,
a backend module can dynamically enable cleancache functionality;
the cost is extremely small, so all postings of cleancache
had "default y".
Just before Linus merged cleancache, he insisted that the
default be changed to "n". I didn't argue, just changed it.
However, I think in the future most distros will prefer to
have it set so the functionality can be enabled at runtime,
thus the help comment is inconsistent with the default.
> Also fixes a typo.
Don't know how I missed that one :-} Typo fix:
Acked-by: Dan Magenheimer <dan.magenheimer@oracle.com>
Dan
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next reply other threads:[~2011-06-24 1:13 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-24 1:12 Dan Magenheimer [this message]
-- strict thread matches above, loose matches on Subject: below --
2011-06-19 15:29 [PATCH] fix cleancache config Rolf Eike Beer
2011-06-19 21:50 ` Christoph Hellwig
2011-06-20 2:07 ` Randy Dunlap
2011-06-20 6:06 ` Rolf Eike Beer
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