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 X-Spam-Level: X-Spam-Status: No, score=-14.4 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_IN_DEF_DKIM_WL autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C9FEFC433E1 for ; Thu, 27 Aug 2020 21:10:15 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 897D22080C for ; Thu, 27 Aug 2020 21:10:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="uzhSIRMq" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 897D22080C Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 0BB736B0002; Thu, 27 Aug 2020 17:10:15 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 06D356B0003; Thu, 27 Aug 2020 17:10:15 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id EC4236B0006; Thu, 27 Aug 2020 17:10:14 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0084.hostedemail.com [216.40.44.84]) by kanga.kvack.org (Postfix) with ESMTP id D7D166B0002 for ; Thu, 27 Aug 2020 17:10:14 -0400 (EDT) Received: from smtpin07.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 9653140CA for ; Thu, 27 Aug 2020 21:10:14 +0000 (UTC) X-FDA: 77197591548.07.sack42_60003f127070 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin07.hostedemail.com (Postfix) with ESMTP id 719571803F9A0 for ; Thu, 27 Aug 2020 21:10:14 +0000 (UTC) X-HE-Tag: sack42_60003f127070 X-Filterd-Recvd-Size: 3221 Received: from mail-lf1-f65.google.com (mail-lf1-f65.google.com [209.85.167.65]) by imf02.hostedemail.com (Postfix) with ESMTP for ; Thu, 27 Aug 2020 21:10:13 +0000 (UTC) Received: by mail-lf1-f65.google.com with SMTP id y17so2650856lfa.8 for ; Thu, 27 Aug 2020 14:10:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=ixjZmO1t9Slh8e49hGHeOLGuoW3qUdXzY3TFmyOpR7s=; b=uzhSIRMq/VC2gbpPuCOatXfLJeVSPdb5yV/E64ymQ5pYPDpJJtQ4zCb/1W/sfERMIl kzlL1rSMnRziF1YC+2bKB6i4NHgXR5FNTA6vSuqmcPswBbgdpVw2tYnXhHGV+RTET2My WUPCv15Tz3Aybd4Hx0tktedPqyf0HP/P9OtJF6RaZAI0+h62aZjGfkgd28CQQofFkdBA m2f4JQ2NNKw6rDk/M5ZwaoZ110/dpcq9eO1li4OZNmXb2rZ6xkfBnTpPxbV6sXl4KkRI XpAB/GB4k5oGvdYqyq92v/M/jJ9kXQLWoalsRcYM+07sj/2KTrJqxYjmICMosdl1b4H5 k4vQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=ixjZmO1t9Slh8e49hGHeOLGuoW3qUdXzY3TFmyOpR7s=; b=b5a/HNnaJHs2oXnYthptC1/s91h1vVuYB4vSQc6busN/8Zv42Y4rJBKCuUt2ZITydv jLVpXWWp+W816uuLh9a3owskU6yhF1pRXxkfycYT2SPOHu15LcA7vJf2pg0PzrlTeJQD mmP/y1ogu+gA8g5tadIuIm9Q3k6tncFbyhae9evE/aNmsDVyPx4T0ZhO50llyppxx+Il R5lvk5/HAi0G4fS6ewXHwHXlvYsR2QLE7jYg3EGIKwzKcA86bvHJp6xR/hmYSnMznSGL uVv+uSwNuUF8jo61EVbFs06dFfJp7XPwT09tBsGxWc2Fwrk4pT3a9sAMGYIKAbh3pQ6N uABA== X-Gm-Message-State: AOAM531Em20o4ssvS3OIaufB2+Y0pS9/5BWMHuM+BKdUeFSfFsNRG49b KrLwH1D4KUFPbwZGjNaKQUvlp1+84anZ0eP5jzBvTw== X-Google-Smtp-Source: ABdhPJzkpv4//qcpr1zupRZJ4DuLu3ynt0GPhuT7sptf5s54q5j5U7AyndYJ/Aq24BNUSvJe5975xRqPddvMgoNSGLM= X-Received: by 2002:a19:c714:: with SMTP id x20mr1157875lff.3.1598562611999; Thu, 27 Aug 2020 14:10:11 -0700 (PDT) MIME-Version: 1.0 References: <20200827175215.319780-1-guro@fb.com> <20200827175215.319780-2-guro@fb.com> In-Reply-To: <20200827175215.319780-2-guro@fb.com> From: Shakeel Butt Date: Thu, 27 Aug 2020 14:10:00 -0700 Message-ID: Subject: Re: [PATCH RFC 1/4] mm: kmem: move memcg_kmem_bypass() calls to get_mem/obj_cgroup_from_current() To: Roman Gushchin Cc: Linux MM , Andrew Morton , Johannes Weiner , Michal Hocko , Kernel Team , LKML Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 719571803F9A0 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam02 X-Bogosity: Ham, tests=bogofilter, spamicity=0.184689, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, Aug 27, 2020 at 10:52 AM Roman Gushchin wrote: > > Currently memcg_kmem_bypass() is called before obtaining the current > memory/obj cgroup using get_mem/obj_cgroup_from_current(). Moving > memcg_kmem_bypass() into get_mem/obj_cgroup_from_current() reduces > the number of call sites and allows further code simplifications. > > Signed-off-by: Roman Gushchin Reviewed-by: Shakeel Butt