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=-11.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS 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 15DA8C432BE for ; Mon, 9 Aug 2021 09:10:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F058B61040 for ; Mon, 9 Aug 2021 09:10:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234193AbhHIJKe (ORCPT ); Mon, 9 Aug 2021 05:10:34 -0400 Received: from mail.kernel.org ([198.145.29.99]:59054 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234227AbhHIJKZ (ORCPT ); Mon, 9 Aug 2021 05:10:25 -0400 Received: by mail.kernel.org (Postfix) with ESMTPS id 8B4A661078; Mon, 9 Aug 2021 09:10:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1628500205; bh=h+XEUfaFQsQxuoURSDe7j2eiWVZJtbFulXijWl864cs=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=tiym9iTmDA7/SE70AfWEiKBWBIvB8MynQkYpWyuz4BwpgV6LA1AKEIT2v32fHyVC+ JfOP2z5WUv6X/YTMwGxkX99W+99Na2HU6rFY7lvIGun1eY6pwblpDMqySR39n15fXY AD1VWUAxv1zopIfgQVbrN0lYn18OwQfK4/ESfzBlZ5XZ5xZXbJu8zmgETrv1yP1wZG KVup06dO9oFkYka5dIBdMoB6RL5Vd2PCzTDJoKhcSVCh6QTR2kjcntwlizV456zdhE bLacJxl5gJZ+x6fEQ5aQ6Al/AKVQD4MeFZ4nv4Ws212sV9vwMjh694w0czyTi5CMF2 kKwaFc1m35bEA== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net V2] page_pool: mask the page->signature before the checking From: patchwork-bot+netdevbpf@kernel.org Message-Id: <162850020550.22991.7583122589223288921.git-patchwork-notify@kernel.org> Date: Mon, 09 Aug 2021 09:10:05 +0000 References: <1628213947-39384-1-git-send-email-linyunsheng@huawei.com> In-Reply-To: <1628213947-39384-1-git-send-email-linyunsheng@huawei.com> To: Yunsheng Lin Cc: davem@davemloft.net, kuba@kernel.org, hawk@kernel.org, ilias.apalodimas@linaro.org, mcroce@microsoft.com, willy@infradead.org, alexander.duyck@gmail.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linuxarm@openeuler.org, chenhao288@hisilicon.com Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net.git (refs/heads/master): On Fri, 6 Aug 2021 09:39:07 +0800 you wrote: > As mentioned in commit c07aea3ef4d4 ("mm: add a signature in > struct page"): > "The page->signature field is aliased to page->lru.next and > page->compound_head." > > And as the comment in page_is_pfmemalloc(): > "lru.next has bit 1 set if the page is allocated from the > pfmemalloc reserves. Callers may simply overwrite it if they > do not need to preserve that information." > > [...] Here is the summary with links: - [net,V2] page_pool: mask the page->signature before the checking https://git.kernel.org/netdev/net/c/0fa32ca438b4 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html