From: Stanislaw Gruszka <sgruszka@redhat.com>
To: David Rientjes <rientjes@google.com>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Mel Gorman <mgorman@suse.de>,
Andrea Arcangeli <aarcange@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
Christoph Lameter <cl@linux-foundation.org>
Subject: Re: [PATCH -mm] slub: document setting min order with debug_guardpage_minorder > 0
Date: Fri, 16 Dec 2011 14:21:56 +0100 [thread overview]
Message-ID: <20111216132155.GA14271@redhat.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1112131640240.32369@chino.kir.corp.google.com>
On Tue, Dec 13, 2011 at 04:41:34PM -0800, David Rientjes wrote:
> > > + When debug_guardpage_minorder > 0 parameter is specified, the
> > > + minimum possible order is used and cannot be changed.
> >
> > Well, I'm not sure what you wanted to say, actually? How does one change
> > debug_guardpage_minorder (or specify it), for example? Is it a kernel
> > command-line switch?
> >
>
> Yeah, we'll need a reference to Documentation/kernel-parameters.txt.
>
> > Also I'm not sure what "cannot be changed" is supposed to mean. Does it
> > mean that /sys/cache/slab/cache/order has no effect in that case?
> >
>
> Good point, we should say that "this tunable" cannot be used to change the
> order at runtime if debug_guardpage_minorder is used on the command line.
>
> Stanislaw, one more revision?
Ehh, I silently hoped that someone else with better English skills could
fix it ;-)
As Andrew already applied my patch (and fix whitespace) I'll post the
incremental patch in the next e-mail.
Thanks
Stanislaw
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next prev parent reply other threads:[~2011-12-16 13:22 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-18 16:25 [PATCH v2 1/3] mm: more intensive memory corruption debug Stanislaw Gruszka
2011-11-18 16:25 ` [PATCH v2 2/3] PM / Hibernate : do not count debug pages as savable Stanislaw Gruszka
2011-11-18 16:25 ` [PATCH v3 3/3] slub: min order when debug_guardpage_minorder > 0 Stanislaw Gruszka
2011-11-21 17:15 ` Christoph Lameter
2011-12-07 22:07 ` David Rientjes
2011-12-08 7:33 ` Stanislaw Gruszka
2011-12-08 21:06 ` David Rientjes
2011-12-12 14:59 ` [PATCH -mm] slub: document setting min order with " Stanislaw Gruszka
2011-12-12 23:21 ` Rafael J. Wysocki
2011-12-14 0:41 ` David Rientjes
2011-12-16 13:21 ` Stanislaw Gruszka [this message]
2011-12-16 13:23 ` [PATCH -mm] slub: debug_guardpage_minorder documentation tweak Stanislaw Gruszka
2011-12-16 21:16 ` David Rientjes
2012-01-06 17:52 ` David Rientjes
2011-11-22 21:56 ` [PATCH v2 1/3] mm: more intensive memory corruption debug Andrew Morton
2011-11-23 13:25 ` Stanislaw Gruszka
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