From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail143.messagelabs.com (mail143.messagelabs.com [216.82.254.35]) by kanga.kvack.org (Postfix) with SMTP id F1AB16B01BC for ; Tue, 23 Mar 2010 14:25:50 -0400 (EDT) Received: by fxm10 with SMTP id 10so1039570fxm.30 for ; Tue, 23 Mar 2010 11:25:48 -0700 (PDT) Subject: Re: [Bugme-new] [Bug 15618] New: 2.6.18->2.6.32->2.6.33 huge regression in performance Mime-Version: 1.0 (Apple Message framework v1077) Content-Type: text/plain; charset=us-ascii From: Anton Starikov In-Reply-To: <20100323112141.7f248f2b.akpm@linux-foundation.org> Date: Tue, 23 Mar 2010 19:25:43 +0100 Content-Transfer-Encoding: quoted-printable Message-Id: <41DAB29F-59B7-4D38-A389-75FAC47225BF@gmail.com> References: <20100323102208.512c16cc.akpm@linux-foundation.org> <20100323173409.GA24845@elte.hu> <20100323180002.GA2965@elte.hu> <15090451-C292-44D6-B2BA-DCBCBEEF429D@gmail.com> <20100323112141.7f248f2b.akpm@linux-foundation.org> Sender: owner-linux-mm@kvack.org To: Andrew Morton Cc: Ingo Molnar , Linus Torvalds , linux-mm@kvack.org, linux-kernel@vger.kernel.org, bugzilla-daemon@bugzilla.kernel.org, bugme-daemon@bugzilla.kernel.org, Peter Zijlstra List-ID: On Mar 23, 2010, at 7:21 PM, Andrew Morton wrote: >> I will apply this commits to 2.6.32, I afraid current OFED (which I = need also) will not work on 2.6.33+. >>=20 >=20 > You should be able to simply set CONFIG_RWSEM_GENERIC_SPINLOCK=3Dn, > CONFIG_RWSEM_XCHGADD_ALGORITHM=3Dy by hand, as I mentioned earlier? Hm. I tried, but when I do "make oldconfig", then it gets rewritten, so = I assume that it conflicts with some other setting from default fedora = kernel config. trying to figure out which one exactly. Anton.= -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org