From: Andrew Morton <akpm@linux-foundation.org>
To: Dave Hansen <dave@linux.vnet.ibm.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Mel Gorman <mgorman@suse.de>
Subject: Re: [PATCH] Debugging: Keep track of page owners
Date: Fri, 7 Dec 2012 14:44:28 -0800 [thread overview]
Message-ID: <20121207144428.98b3eaf4.akpm@linux-foundation.org> (raw)
In-Reply-To: <50C26FA7.9010000@linux.vnet.ibm.com>
On Fri, 07 Dec 2012 14:37:27 -0800
Dave Hansen <dave@linux.vnet.ibm.com> wrote:
> On 12/07/2012 02:26 PM, Andrew Morton wrote:\
> > I have cunningly divined the intention of your update and have queued
> > the below incremental. The change to
> > pagetypeinfo_showmixedcount_print() was a surprise. What's that there
> > for?
>
> Do you mean to ask why it's being modified at all here in this patch?
> It's referenced in the changelog a bit. I believe it came from Mel at
> some point. I didn't do much to that portion, but I happily drug those
> hunks along with my forward port. I believe it's virtually all the same
> as what you posted here:
>
> https://bugzilla.kernel.org/show_bug.cgi?id=50181
I'm now deeply confused.
Two days ago I merged a version which you sent me. It is presently at
http://ozlabs.org/~akpm/mmotm/broken-out/debugging-keep-track-of-page-owners.patch.
Today you sent a new version. My earlier email showed the difference
between these two versions.
AFACIT that difference was undescribed. I can see that the new version
uses the stack-tracing infrastructure, but the change to
pagetypeinfo_showmixedcount_print() is a mystery.
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WARNING: multiple messages have this Message-ID (diff)
From: Andrew Morton <akpm@linux-foundation.org>
To: Dave Hansen <dave@linux.vnet.ibm.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Mel Gorman <mgorman@suse.de>
Subject: Re: [PATCH] Debugging: Keep track of page owners
Date: Fri, 7 Dec 2012 14:44:28 -0800 [thread overview]
Message-ID: <20121207144428.98b3eaf4.akpm@linux-foundation.org> (raw)
In-Reply-To: <50C26FA7.9010000@linux.vnet.ibm.com>
On Fri, 07 Dec 2012 14:37:27 -0800
Dave Hansen <dave@linux.vnet.ibm.com> wrote:
> On 12/07/2012 02:26 PM, Andrew Morton wrote:\
> > I have cunningly divined the intention of your update and have queued
> > the below incremental. The change to
> > pagetypeinfo_showmixedcount_print() was a surprise. What's that there
> > for?
>
> Do you mean to ask why it's being modified at all here in this patch?
> It's referenced in the changelog a bit. I believe it came from Mel at
> some point. I didn't do much to that portion, but I happily drug those
> hunks along with my forward port. I believe it's virtually all the same
> as what you posted here:
>
> https://bugzilla.kernel.org/show_bug.cgi?id=50181
I'm now deeply confused.
Two days ago I merged a version which you sent me. It is presently at
http://ozlabs.org/~akpm/mmotm/broken-out/debugging-keep-track-of-page-owners.patch.
Today you sent a new version. My earlier email showed the difference
between these two versions.
AFACIT that difference was undescribed. I can see that the new version
uses the stack-tracing infrastructure, but the change to
pagetypeinfo_showmixedcount_print() is a mystery.
next prev parent reply other threads:[~2012-12-07 22:44 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-07 21:24 [PATCH] Debugging: Keep track of page owners Dave Hansen
2012-12-07 21:24 ` Dave Hansen
2012-12-07 22:26 ` Andrew Morton
2012-12-07 22:26 ` Andrew Morton
2012-12-07 22:37 ` Dave Hansen
2012-12-07 22:37 ` Dave Hansen
2012-12-07 22:44 ` Andrew Morton [this message]
2012-12-07 22:44 ` Andrew Morton
2012-12-07 22:58 ` Dave Hansen
2012-12-07 22:58 ` Dave Hansen
2012-12-08 2:51 ` Steven Rostedt
2012-12-08 2:51 ` Steven Rostedt
2012-12-08 2:58 ` Steven Rostedt
2012-12-08 2:58 ` Steven Rostedt
-- strict thread matches above, loose matches on Subject: below --
2012-12-05 1:12 Dave Hansen
2012-12-05 15:01 ` Laura Abbott
2012-12-05 17:48 ` Dave Hansen
2012-12-05 22:36 ` Andrew Morton
2012-12-07 16:37 ` Laura Abbott
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