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=-18.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL autolearn=unavailable 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 EEBA0C433DB for ; Tue, 16 Mar 2021 16:26:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9E8CB65101 for ; Tue, 16 Mar 2021 16:26:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236513AbhCPQZw (ORCPT ); Tue, 16 Mar 2021 12:25:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48758 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236429AbhCPQZc (ORCPT ); Tue, 16 Mar 2021 12:25:32 -0400 Received: from mail-lf1-x12f.google.com (mail-lf1-x12f.google.com [IPv6:2a00:1450:4864:20::12f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 57C45C06174A for ; Tue, 16 Mar 2021 09:25:32 -0700 (PDT) Received: by mail-lf1-x12f.google.com with SMTP id 20so787258lfj.13 for ; Tue, 16 Mar 2021 09:25:32 -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=TPPV6ZX3Tdhvd5ax8oWrAMyN2NntSRwXfaI6WubILUM=; b=GqzIDfmCJYvYrFRGXeic57AzgBH3b1U4AAYEYp2J5pjfw4f/EnP9cLB/T6t1r6TAVg tMrVgaaocuUTM4D5JtLmSuQIu2yoT7UwXVom1It5Gr99hKftdLRf8bFHTTW90fpDcSxG LAklID4UlfQ5039uo09+40JkCw6EmElu4y5DRj8kxbylRlUp4Q2u5Vdg5DPlB9Pd0Bi2 T4/d+1t2uvMESJRFgocJF9lvTDwHRjPJUtXR2rDn4rU3r5/Gp0EtxNgynOSacujSpjVU vmQw90Z074wG2SsY7t61SI+FYrKEojLMY+5Ts4h8dkCyGw/ZjTFaDaYPYDf/Dcb5Mjhn wp0w== 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=TPPV6ZX3Tdhvd5ax8oWrAMyN2NntSRwXfaI6WubILUM=; b=meRNbZqXUVyf6d3Cl3Yv/tyrg1A9kUesNeoDz/LI2xN975MfgszYfvlMcdJaldo/yt NffdUu2gL79+7UgavhT5eJc6oTVQ3dnB5oWDjc1VRnxbWZd4hubiPTV2M59+xiA1AbX1 jrJLdUHiAnNaen1+BDForNkhSvXN5bZXzsWsR/T6ouwzLluiDw56T0h/Sfosf2+v4/Ke b735fW4HKxLTyHUX2bnpPfEWcvqhRcf/YHWsnfVJ7aVhWZDGolblSRuD8acsKoIQxJ+J 0f2brE4Zt16g+ZxhKLn4p4Rq0DzIjaWDPb/BqbllTaKOac5X/AN2qrGm6zAXEy2HtKRW 7vbQ== X-Gm-Message-State: AOAM531XX1+hBE53/HxRkEJGulGU0CYPz+vjxBtS+lN2F/JkihiMaY5X mN/+nHcQkcKFESUxNcBrO36LN8oqqth4OUVaO9EcfQ== X-Google-Smtp-Source: ABdhPJwQax98b9r+LloLeVzpURQWBJz/Z6VclirjaaFs0GEYtgmAXB7YpLkqvIrfK/L8srjer8T+p/MPbsW3QvkKVXk= X-Received: by 2002:a19:f50e:: with SMTP id j14mr11828246lfb.299.1615911930635; Tue, 16 Mar 2021 09:25:30 -0700 (PDT) MIME-Version: 1.0 References: <20210316153655.500806-1-schatzberg.dan@gmail.com> <20210316153655.500806-4-schatzberg.dan@gmail.com> In-Reply-To: <20210316153655.500806-4-schatzberg.dan@gmail.com> From: Shakeel Butt Date: Tue, 16 Mar 2021 09:25:18 -0700 Message-ID: Subject: Re: [PATCH 3/3] loop: Charge i/o to mem and blk cg To: Dan Schatzberg Cc: Jens Axboe , Tejun Heo , Zefan Li , Johannes Weiner , Andrew Morton , Michal Hocko , Vladimir Davydov , Hugh Dickins , Roman Gushchin , Muchun Song , Alex Shi , Alexander Duyck , Chris Down , Yafang Shao , Wei Yang , "open list:BLOCK LAYER" , open list , "open list:CONTROL GROUP (CGROUP)" , "open list:MEMORY MANAGEMENT" Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Mar 16, 2021 at 8:37 AM Dan Schatzberg wrote: > [...] > > /* Support for loadable transfer modules */ > diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h > index 0c04d39a7967..fd5dd961d01f 100644 > --- a/include/linux/memcontrol.h > +++ b/include/linux/memcontrol.h > @@ -1187,6 +1187,17 @@ static inline struct mem_cgroup *get_mem_cgroup_from_mm(struct mm_struct *mm) > return NULL; > } > > +static inline struct mem_cgroup *get_mem_cgroup_from_page(struct page *page) > +{ > + return NULL; > +} The above function has been removed.