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=-8.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 70D93C433E0 for ; Thu, 21 Jan 2021 20:45:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 354C52389F for ; Thu, 21 Jan 2021 20:45:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727075AbhAUUpK (ORCPT ); Thu, 21 Jan 2021 15:45:10 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48888 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725994AbhAUUpC (ORCPT ); Thu, 21 Jan 2021 15:45:02 -0500 Received: from mail-qt1-x833.google.com (mail-qt1-x833.google.com [IPv6:2607:f8b0:4864:20::833]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4F782C06174A for ; Thu, 21 Jan 2021 12:44:22 -0800 (PST) Received: by mail-qt1-x833.google.com with SMTP id c1so2620643qtc.1 for ; Thu, 21 Jan 2021 12:44:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cmpxchg-org.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=mJ5PGzGmiLLUrzTi1u+PWslzt/cE4FGIGC3QTg4GyNU=; b=XEexdU25vzlHX3yTNVNzHMDCFhMAUHi0vHqq4srg310OpkDzUMqIMQosp76W9eriKq K9WdGHf0i2fo+5ydgoMD1zCkBRDxshw/C96HIx0vh+MJqsiXANwLVeIuvxdCC2kGGRbh LCUle2LeLtQzg/wP3aqbFAjL+rGOZ5XSjZPMhEJg7THs81mGHvzOAnUTwaDnOoGvKUfD S8SxZwBjwPxb6qcZN5TVWQwm3zeRVRyq/Z6mYQSWvIwUdgGaPrLhNKZAE4+RXiX27EZV AaPhYYUB23m+NhNaDvZc3ioHaW7WlGjKCjapKaKC8H5kAGk5+RS3+oW1ZhG+1+Irihyi M+0A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=mJ5PGzGmiLLUrzTi1u+PWslzt/cE4FGIGC3QTg4GyNU=; b=pVqHmIqPWU7idJx5AW4iOhVXmdM20GjUEg03K7SpS/rCioXjbIocmS4Gr5sTQu/oRT d096/4sKccRe/HunoBFLxcdE953qru9BD7grttgHYx5XNYTIyk1GDWN1xNTqs0x9ZBHO /dQwZluVxpPDfedDu13zQF9lb1MTJ+A1PRTmAi3gxr/flSqwyvJOkxJao2GSPIFibrck qRR/535cE11BHRTnrygiEGYoM7mdYpTB04C41SJTYVI/rt3mKtyIRrIyhq7vxChsVMhL 1AYBhlD8vDjTE1pvyGdUuzSqVty4N1JQmPWxW9oOI4uxtC6M1u+fxJnb2ocBg7Iwlt7F GXXw== X-Gm-Message-State: AOAM533uMMrLGGleyXQRPcWCmb8K8I4X7tf5fmQIS2UTnXqcrVw9Urg7 K4aHUZRXmam6gMJV1D7ZN5Hp/w== X-Google-Smtp-Source: ABdhPJzJp8jl31mPFjPI2gRRVkFEDO5aKL9LMCYtxQ+I4Cn4WNfvBbp1XuW8P/En/rtFBsqUQr0fig== X-Received: by 2002:ac8:7b42:: with SMTP id m2mr1435255qtu.304.1611261861619; Thu, 21 Jan 2021 12:44:21 -0800 (PST) Received: from localhost ([2620:10d:c091:480::1:b808]) by smtp.gmail.com with ESMTPSA id i27sm4610509qkk.15.2021.01.21.12.44.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 21 Jan 2021 12:44:20 -0800 (PST) Date: Thu, 21 Jan 2021 15:44:19 -0500 From: Johannes Weiner To: "Matthew Wilcox (Oracle)" Cc: linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-nvdimm@lists.01.org, Vishal Verma Subject: Re: [PATCH v2 2/4] mm: Stop accounting shadow entries Message-ID: References: <20201026151849.24232-1-willy@infradead.org> <20201026151849.24232-3-willy@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201026151849.24232-3-willy@infradead.org> Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Mon, Oct 26, 2020 at 03:18:47PM +0000, Matthew Wilcox (Oracle) wrote: > We no longer need to keep track of how many shadow entries are > present in a mapping. This saves a few writes to the inode and > memory barriers. > > Signed-off-by: Matthew Wilcox (Oracle) > Tested-by: Vishal Verma Acked-by: Johannes Weiner