Received: by 2002:a05:6358:11c7:b0:104:8066:f915 with SMTP id i7csp5076852rwl; Tue, 28 Mar 2023 16:05:21 -0700 (PDT) X-Google-Smtp-Source: AKy350bdvoVJUMWvdSS/3PKCSmWOoWQTi2fRvFT4wkJ6D9qNYVEoru0a6mPuG/im60gT0Ht3jrgD X-Received: by 2002:a17:906:385b:b0:930:d552:5c23 with SMTP id w27-20020a170906385b00b00930d5525c23mr15739815ejc.56.1680044721324; Tue, 28 Mar 2023 16:05:21 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1680044721; cv=none; d=google.com; s=arc-20160816; b=lo6PfRbLWAdnFBUiKLJhmegIKgAZk8fTXtFUm5JbtwikhtSAee0IMOqCDDHkaTY968 Qf1iOwPrGJPVxJ/igkysabd+trymFsy1DqVVa4u6zIFKR3kgwK1qWLei0TQIT7r6NZ8/ S6XlIZ/rIFY35Xl23sEXsv+i7aNOI+3GmaMSgGcyey944Y4xUGJenhW/BBczK0p9taxD Wa8hA0RnRP2NOJjj4gY6yOaH0Xu+ld1QwmiB3mRZjLMaN3kctFf3/1Yy5MoEwLcRWxXP 7Svz6VjMzvyPOnPSlOukcvRHc8wijXDuXFRaBGIy0CTCptTvnu4xhP1iqjybJnioluHJ SiFQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date :dkim-signature; bh=/0unNe68W0weEOmYVQgJVdxeO/Mh+Md9PDJIWCzerpU=; b=dYldDAPoNi7adIgI/4u8ujSmnCEKqjzrZSVSxQOk/1lEnGsoZQUaV2F+P2QvyM8SqE mgaHRQaXl2LWMm2K0GzvzSySqo7s4tt4MCAd36N5FWmfPesfh3O4KP8n1aYK7EPVynZV c2us8rzmew+vNHMSAtH+BtHoP4YWBz7CJK5BPR6w5NuBfv7GUX09+gCl2qsW8izUh5Kb QaipOQS/d2s2kJYtuCbthDKPLGvph0ge+FiQ3JumFIHOSDe7n+qbZwTlBAZtfHV74aL/ L6PAPyfdmlHvWyBuGBZ953J61Ej9qyqAQVaBbzRsa+NgdFkzPXIfJOCtCx0dbncpNSQN XWGg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linux-foundation.org header.s=korg header.b=w9N3wcDe; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id js2-20020a17090797c200b0093b6e1440b3si19889751ejc.764.2023.03.28.16.04.41; Tue, 28 Mar 2023 16:05:21 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linux-foundation.org header.s=korg header.b=w9N3wcDe; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229773AbjC1Wue (ORCPT + 99 others); Tue, 28 Mar 2023 18:50:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48042 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229491AbjC1Wuc (ORCPT ); Tue, 28 Mar 2023 18:50:32 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 50D1EDF for ; Tue, 28 Mar 2023 15:50:31 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 0E144B81EFD for ; Tue, 28 Mar 2023 22:50:30 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4EDB2C433D2; Tue, 28 Mar 2023 22:50:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1680043828; bh=/0unNe68W0weEOmYVQgJVdxeO/Mh+Md9PDJIWCzerpU=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=w9N3wcDePAZGSy3R0YpHW5XlPm9Bg1CDqlvIeJnntkb5QTHFMm9gizXId9fbn+1Lq t2ijmGwQfWdf9Du79WUF+QaKgnJh9pNVNI/eEnR2PsxpRaexhnpaFbhmgEedgSlI0q jnT9uvN1YalaICUGznD0GfmDhu8ywFNcDjmhMOyk= Date: Tue, 28 Mar 2023 15:50:27 -0700 From: Andrew Morton To: Charan Teja Kalla Cc: , , , , , , , , Subject: Re: [PATCH V7 0/2] mm: shmem: support POSIX_FADV_[WILL|DONT]NEED for shmem files Message-Id: <20230328155027.f0f7571bd430e7525481c6ca@linux-foundation.org> In-Reply-To: References: X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.5 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 14 Feb 2023 18:21:48 +0530 Charan Teja Kalla wrote: > This patch aims to implement POSIX_FADV_WILLNEED and POSIX_FADV_DONTNEED > advices to shmem files which can be helpful for the drivers who may want > to manage the pages of shmem files on their own, like, that are created > through shmem_file_setup[_with_mnt](). Could we please have some additional review of this series? Thanks.