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Message-ID: <20110121191757.GO9506@random.random> Date: Fri, 21 Jan 2011 20:17:57 +0100 From: Andrea Arcangeli <aarcange@...hat.com> To: werner <w.landgraf@...ru> Cc: akpm@...ux-foundation.org, hannes@...xchg.org, idryomov@...il.com, rostedt@...dmis.org, linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org, Minchan Kim <minchan.kim@...il.com>, Johannes Weiner <jweiner@...hat.com> Subject: Re: 2.6.38-rc1 problems with khugepaged On Fri, Jan 21, 2011 at 06:43:44AM -0400, werner wrote: > 2.6.38-rc1-git1 runs normally with khugepaged switched > OFF. Thus, khugepaged is the problem; as said if > switched it on, during boot the computer becomes very slow > and sticks almost. wl Sorry, looks like x86 32bit THP wasn't tested in all possible .config (32bit support is upstream-only feature and because of lower userbase it also got a lot less testing than 64bit support). Does it make any difference if you both disable CONFIG_PARAVIRT and enable HIGHMEM64? For now keep THP off on 32bit, it should be trivial to reproduce so fix will come soon. Minchan info shows it's an 32bit arch bug so don't be too worried about it because it can't affect 64bit builds and it's not common code bug and we'll fix it ASAP. Thanks, Andrea -- 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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