From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1B74CECAAD3 for ; Mon, 19 Sep 2022 18:07:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229984AbiISSHd (ORCPT ); Mon, 19 Sep 2022 14:07:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59908 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231349AbiISSHJ (ORCPT ); Mon, 19 Sep 2022 14:07:09 -0400 Received: from mail-pl1-x62e.google.com (mail-pl1-x62e.google.com [IPv6:2607:f8b0:4864:20::62e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 266F14621F; Mon, 19 Sep 2022 11:06:51 -0700 (PDT) Received: by mail-pl1-x62e.google.com with SMTP id l10so28586838plb.10; Mon, 19 Sep 2022 11:06:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:reply-to:message-id:date :subject:cc:to:from:from:to:cc:subject:date; bh=gEJQAVOMzbt4PPx+Qy3opmg3geJE7rZvH1CdGnwIjt0=; b=nbulrSye1Ljiu3ZTZKiIiuL+PXrsz2uUKYqD8NYqbUSgSm3Vi0gErRmMJ0GPmvae9i uFrQSoh1Dekn6R4JT7YM9d2sB+smEUc5gTVkoLOgpOXTfVVq5yRmFpBMPNiY+OWHd1Kj 7sFgW+7uvTFADWLZukSZmOygnPnhuEFahpb4O1RUVtEByOp/h4uLCqIzCz2MARhjf316 CrtqEu1wm2L0h+YlZ0T1jzFRka98lhHFmUQAsoubRrqiucMdFSGJUbf948tBw19kEGIp Y1ZOXVA7Lx/gNKOo6xHFKUxWeh3vBVe2/ypemZtIy0k2iK3bg1qmnklw+AkaME+BTNKX jTXA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:reply-to:message-id:date :subject:cc:to:from:x-gm-message-state:from:to:cc:subject:date; bh=gEJQAVOMzbt4PPx+Qy3opmg3geJE7rZvH1CdGnwIjt0=; b=f4f+eq/Hhb5uvxU++sijjfDyz0LsyRYBz3u2tVOne0lnkCMB41qjCbTJYrhu/ODQ/e CHnB/l41AOx+gnHf5KBNF09gRLQm+V50T3mbtFtGVbLENoLoU2avaAZCRBN+xhOsk1qR fWbQrCuc0Z7qIg16wE8DkxV35yugPcFUGOn9h+1juNEVEVxgRl4WDonU+zjS0ikQtlzs qhcgkqd/rMUidUTuYkIKjHEs8WGFh+wBYwtsbV1GFfpq7wVmg0czlFytQcSKs5btJrUZ 7ym8QDlNGP7tnUugoaePqDjvf2+zzjoFnUs8uRMHPzFLaeoiVCloXGQyv4RPBgyuxUjj 4gZQ== X-Gm-Message-State: ACrzQf1tMXE6zh/K1CkGvCNQRY0AELq76Au3bl1OrhhRuw6dlWG0bv4W XLZFh5a1MTdSNFEiFwk2xNrwVCNG8ux+K3Rx X-Google-Smtp-Source: AMsMyM5kYJs2A7dAyc++tZB14m9oF8eF+ZjYUe5y9ruXb2TlBiIiCmYHqKap33TnVIIvXllSCIIZfg== X-Received: by 2002:a17:903:41c9:b0:176:b9df:c743 with SMTP id u9-20020a17090341c900b00176b9dfc743mr967826ple.162.1663610809289; Mon, 19 Sep 2022 11:06:49 -0700 (PDT) Received: from KASONG-MB0.tencent.com ([115.171.41.135]) by smtp.gmail.com with ESMTPSA id u21-20020a632355000000b0041c30def5e8sm14176654pgm.33.2022.09.19.11.06.46 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Mon, 19 Sep 2022 11:06:48 -0700 (PDT) From: Kairui Song To: cgroups@vger.kernel.org, linux-mm@kvack.org Cc: Johannes Weiner , Michal Hocko , Roman Gushchin , Shakeel Butt , Muchun Song , Andrew Morton , linux-kernel@vger.kernel.org, Kairui Song Subject: [PATCH v2 0/2] mm: memcontrol: cleanup and optimize for two accounting params Date: Tue, 20 Sep 2022 02:06:32 +0800 Message-Id: <20220919180634.45958-1-ryncsn@gmail.com> X-Mailer: git-send-email 2.35.2 Reply-To: Kairui Song MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Kairui Song V2 of "[PATCH 0/2] mm: memcontrol: cleanup and optimize for accounting params". Patch 1/2 is a minor cleanup for kmem accouting path. Patch 2/2 optimizes some hot paths by making cgroup_memory_noswap a static key, benchmark shows swap paths now have a ~5% lower overhead. Update from V1: - Collect Acked-by for patch 2/2 from Michal Hocko, Thanks! - Simplify patch 1/1, don't drop mem_cgroup_kmem_disabled and only change one call site as a minor clean up, update commit message for patch 2/2, as suggested by Michal Hocko. Kairui Song (2): mm: memcontrol: use memcg_kmem_enabled in count_objcg_event mm: memcontrol: make cgroup_memory_noswap a static key include/linux/memcontrol.h | 2 +- mm/memcontrol.c | 27 +++++++++++++++++++-------- 2 files changed, 20 insertions(+), 9 deletions(-) -- 2.35.2