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Message-ID: <50C052A2.90303@leemhuis.info> Date: Thu, 06 Dec 2012 09:09:06 +0100 From: Thorsten Leemhuis <fedora@...mhuis.info> To: Johannes Weiner <hannes@...xchg.org> CC: Mel Gorman <mgorman@...e.de>, Andrew Morton <akpm@...ux-foundation.org>, Linus Torvalds <torvalds@...ux-foundation.org>, Rik van Riel <riel@...hat.com>, George Spelvin <linux@...izon.com>, Johannes Hirte <johannes.hirte@....tu-ilmenau.de>, Tomas Racek <tracek@...hat.com>, Jan Kara <jack@...e.cz>, Dave Hansen <dave@...ux.vnet.ibm.com>, Josh Boyer <jwboyer@...il.com>, Valdis Kletnieks <Valdis.Kletnieks@...edu>, Jiri Slaby <jslaby@...e.cz>, Zdenek Kabelac <zkabelac@...hat.com>, Bruno Wolff III <bruno@...ff.to>, linux-mm <linux-mm@...ck.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, John Ellson <john.ellson@...cast.net> Subject: Re: kswapd craziness in 3.7 Hi! Just a quick update Johannes Weiner wrote on 03.12.2012 20:42: > On Mon, Dec 03, 2012 at 09:30:12AM +0100, Thorsten Leemhuis wrote: > >> BTW, I built that kernel without the patch you mentioned in >> http://thread.gmane.org/gmane.linux.kernel.mm/90911/focus=91153 >> ("buffer_heads_over_limit can put kswapd into reclaim, but it's ignored >> [...]) It looked to me like that patch was only meant for debugging. Let >> me know if that was wrong. Ohh, and I didn't update to a fresher >> mainline checkout yet to make sure the base for John's testing didn't >> change. > > Ah, yes, the ApplyPatch is commented out. > > I think we want that upstream as well, but it's not critical. > [...] Sorry, it had no "Singed-off-by", so I assumed it was just for debugging. > Not rebasing sounds reasonable to me to verify the patch. It might be > worth testing that the final version that will be 3.8 still works for > John, however, once that is done. Just to be sure. Just to be sure, I yesterday built a rc8 kernel with the patch referenced above and the one that is not yet merged (these two, to be precise: http://thread.gmane.org/gmane.linux.kernel.mm/90911/focus=91153 http://thread.gmane.org/gmane.linux.kernel.mm/90911/focus=91300 ; all the others patches my kswap test kernels contained earlier were afaics merged a few days ago) and mentioned it in the Fedora bug report. John gave them a try and in https://bugzilla.redhat.com/show_bug.cgi?id=866988#c65 reported "No problems so far. I'll check back again in ~24hours." CU, Thorsten -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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