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bh=C3fcgolBPCedQ4D/+2yjkrUfly9qUKkzLQRI38gnXHI=; h=X-UI-Sender-Class:Subject:From:To:Cc:Date:In-Reply-To:References; b=SVF8uOrJptlEy8CVf02KS8Z+FVgkzDLxKYeKuLmxDpJa1Yqr4M/8wPKnnufzsdJiv EtSei88k0Dq+goFlyagQt2uRqH//bOpAkg3/XUYe7s7hsT01gYj/D/6aNwjoTjOD3R qF0geb1qDUaHtVOZccvZlQw12ySP9c12j7NgelTE= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from homer.fritz.box ([185.221.148.250]) by mail.gmx.net (mrgmx004 [212.227.17.190]) with ESMTPSA (Nemesis) id 1MTzay-1ldypd3rAw-00Qyjq; Sun, 18 Jul 2021 10:29:32 +0200 Message-ID: <64eda4de845c8d98e0dcb7f6fa3177037120e317.camel@gmx.de> Subject: Re: [RFC v2 00/34] SLUB: reduce irq disabled scope and make it RT compatible From: Mike Galbraith To: Vlastimil Babka , Sebastian Andrzej Siewior Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Christoph Lameter , David Rientjes , Pekka Enberg , Joonsoo Kim , Thomas Gleixner , Mel Gorman , Jesper Dangaard Brouer , Peter Zijlstra , Jann Horn Date: Sun, 18 Jul 2021 10:29:29 +0200 In-Reply-To: References: <20210609113903.1421-1-vbabka@suse.cz> <20210702182944.lqa7o2a25to6czju@linutronix.de> <891dc24e38106f8542f4c72831d52dc1a1863ae8.camel@gmx.de> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.34.4 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:d/PpY/pSlP89e6xkF6+DLWyRoolVhRkrqKuKZngBrPjkaZDXmv0 x2Zs2T37BPv1BPLqoimnU0QP8hDl50p7tJzdBXMNT4khvFQWje+QnL6BBk5aha+bpeBkADl PPXQskXTT+WczYLebDwWrJIi7SYKvLNvVTF5fLW+s7KMm2VulzCVBQpAHYdN8zkaJTZTBOx FAQFKa9uoOruX46n7MoLg== X-UI-Out-Filterresults: notjunk:1;V03:K0:VMIpsfVM0uQ=:E+L/pFjyeV1dQu/kkE5be+ 5LH6iTiMMufwwTnSm3sCNVuLZVJFekQqBRBWv09XTj36kWJmWbFZS9uy5sh4Gb4qjt6SdUDeA lEjjbYmx8LzV3ChpCvEfoSvieHDRS+o31nbLwvOE4UwDdU9t7zTlMq+ZTclvRhD4/5mDVMdRB Aj57qJlYXffUdlbGpdHJawlxhKodbK6avosZTySvhz6ZNLprGD4I+w3T5ZGbMnw9cxY8hMnXt SsfTJrlIfdoFVhKdxkrhp9EQCm593mtuX8fktcDiTazE2vdyhJp03MZGunF4YXctpgYF0MNMU +ameMF5QEDnJqyeRXruFrrL8NnlHgJawl37edl7y0ARSrQ6Zhpw6MF0rWirX3NyWbYXUquJ/y XfSdVdcXILyL8zR2pbhGsCZEUT48liZvBMyIFUjTPXIvE3rvz2asMMruAF0Nr2AsTjkOmgxDK GXGWoZxA7wM35IkJ+yReSxR6Dwm5nOxnKCW3qN9rbbABKFW6HTpDbEK3m9y4ECBR/bE4KXhTN JinikKEAAEcS9FcNkNTBl/nliGNrYadCBrNejCVz6G6LX60dXuMq7qQhuVhrONwO8Ug+cmC48 JQIGhz178WLLNtSymgQxjWWxsJZvhzdl0Hsi3PW8LnxZq9HgeoAdTXhwqSHxzekvJUWWFMo8C Gm290Ir2gzpOGP/kovjOgSQaMQzQBl0IVR7KdqUhA1EskXehD0KDf3C1aUDmDL3CnnUnMTAaV +PatDUbcgMfFSZSWcBdQBeRtO8v1BONweHKHyIVJaSTCP39lwjFlSYopXkvXgvuUwWnvLCaWP 0qXFo2qscfuZjhq0iUtWuaf7Vx16ockPpF08RjKeM5kKxXfh5sDpxU1lFA4GELsZmm1GUtgOz WN0UZiKXeNQ7SR79WhWzkRqPyAbnONddr8GAmSCOGSqSnLKwBNe0uxb3HMkTiAwSYNWb3c694 bu/OuipZth8xvHOHPeN0UZhm4cyWBBSubhiUxlpVq2FNQWuQk/ud1jO25HKYc+5MEDMGthiKk ej5JH93P8MQQxJn8n9fnVJGxIDMJroeZpBPntDAPH4Ohbugh4CEucyAU3TbXZKXiIb+GVCmB1 ttIXum2z1ptkSxInsOgMCxoMQyyfbYjO981 Authentication-Results: imf20.hostedemail.com; dkim=pass header.d=gmx.net header.s=badeba3b8450 header.b=SVF8uOrJ; spf=pass (imf20.hostedemail.com: domain of efault@gmx.de designates 212.227.15.19 as permitted sender) smtp.mailfrom=efault@gmx.de; dmarc=pass (policy=none) header.from=gmx.de X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 0E08DD0000A0 X-Stat-Signature: 5ymcbc3t1y6fdcb789ciery98q1cjbgd X-HE-Tag: 1626596975-664316 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Sun, 2021-07-18 at 09:41 +0200, Vlastimil Babka wrote: > On 7/3/21 9:24 AM, Mike Galbraith wrote: > > On Fri, 2021-07-02 at 20:29 +0200, Sebastian Andrzej Siewior wrote: > > > I replaced my slub changes with slub-local-lock-v2r3. > > > I haven't seen any complains from lockdep or so which is good. > > > Then I > > > did this with RT enabled (and no debug): > > > > Below is some raw hackbench data from my little i4790 desktop > > box. It > > says we'll definitely still want list_lock to be raw. > > Hi Mike, thanks a lot for the testing, sorry for late reply. > > Did you try, instead of raw list_lock, not applying the last, local > lock patch, as I suggested in reply to bigeasy? No, but I suppose I can give that a go. -Mike