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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id AA1F3C5DF70 for ; Sun, 16 Aug 2026 13:58:13 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 5DAF26B0354; Sun, 16 Aug 2026 09:58:12 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 58C616B0355; Sun, 16 Aug 2026 09:58:12 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4A1BB6B0356; Sun, 16 Aug 2026 09:58:12 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 22A3A6B0354 for ; Sun, 16 Aug 2026 09:58:12 -0400 (EDT) Received: from smtpin21.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay01.hostedemail.com (Postfix) with ESMTP id 9A3621C1886 for ; Sun, 16 Aug 2026 13:58:11 +0000 (UTC) X-FDA: 85107286782.21.A32C0A0 Received: from mail-pl1-f195.google.com (mail-pl1-f195.google.com [209.85.214.195]) by imf10.hostedemail.com (Postfix) with ESMTP id C4ADEC0003 for ; Sun, 16 Aug 2026 13:58:09 +0000 (UTC) Authentication-Results: imf10.hostedemail.com; dkim=pass header.d=gmail.com header.s=20251104 header.b=kueHDcta; spf=pass (imf10.hostedemail.com: domain of foxieflakey@gmail.com designates 209.85.214.195 as permitted sender) smtp.mailfrom=foxieflakey@gmail.com; dmarc=pass (policy=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1786888689; b=dw02fwonwsZ8vBJNol8U9JcgJF27oL20UJoMK/gubRwpelhqCUjQZqSAP8XTyToTkntbHl 4/olYLv6Jdo5QObNVdFjaZqIKVoNfEiTFWNkCoC/6/mUqaf/rmO7XkWVn6mZKn3Fu695/K +pzoPfM6TF7xsR3Q+J3umpkMD534Nyo= ARC-Authentication-Results: i=1; imf10.hostedemail.com; dkim=pass header.d=gmail.com header.s=20251104 header.b=kueHDcta; spf=pass (imf10.hostedemail.com: domain of foxieflakey@gmail.com designates 209.85.214.195 as permitted sender) smtp.mailfrom=foxieflakey@gmail.com; dmarc=pass (policy=none) header.from=gmail.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1786888689; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=/fThRPUBNCrqFeDKJK17T0YONc4Gpv3LdKTE6Fvw3mI=; b=3KnEo52wLxUmlzIFTALjnxpAc4Ry8wpCefh9uO0c982hd2W8HowhF1aK1o7AZzUoKkNRy8 COYOKyETb0emZqd/XvGcx1D+mVmYqCN6bqeQAh6ImsY2B5Aty7ZR2tS+bGCIgWU+DJH2H9 JUhZCBvrfBrejEl/Ka/EIyTh4nMzBAU= Received: by mail-pl1-f195.google.com with SMTP id d9443c01a7336-2cc61541f8cso44359685ad.0 for ; Sun, 16 Aug 2026 06:58:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1786888688; x=1787493488; darn=kvack.org; h=content-type:mime-version:references:message-id:in-reply-to:subject :cc:to:date:from:from:to:cc:subject:date:message-id:reply-to :content-type; bh=/fThRPUBNCrqFeDKJK17T0YONc4Gpv3LdKTE6Fvw3mI=; b=kueHDcta54MVuK8H9f9kl9qUKil/7ZNEiZvI2CDWCUUFxR3MGL9zNt73PgVJHlKKTf LRbai9ojxiGkEWxap0pAxJgeJsACqzPAPFOeJsAaHl2Cj1JdYESsr64L/0PSaWK4o1w9 0zWe+WXiBMTAqEh/VMVD/lSy2Y3IHadY4rKbvvBvtqvJFBKG+6eJIpl9fYT0DV0bZJ96 ZIeiQxUcKHqWJOOHyywVRottu6Sy78Xr8jDJNOzNw/x5QDrNbVIi7+KtYNjAXJI4TDg9 c4vcQ/GLVDadGKSMaNVIxuL0dAqV8zTwbI+l/D/cwDpR7Oc87p0A/NMX8dcMQOkTh9bM h6uw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786888688; x=1787493488; h=content-type:mime-version:references:message-id:in-reply-to:subject :cc:to:date:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=/fThRPUBNCrqFeDKJK17T0YONc4Gpv3LdKTE6Fvw3mI=; b=O9BeKQQuGK4roo4KbBuOtAD6NBTfYZFQujBR2UP/wWxRco0s8UWTlKAIw/NV1J1IzK W7+MI9Nhfwa5yB75P2X+0ceRZByLPaMeLTVC39+h0ULe7n2eu8NGSqVvXPZCJqAgRY5f 8jcOT2vKF1Z4yhPk0vawPifwho4m6cz4kfu8e/TNMqVMP34qclcif3fEjefURWo2iO3R r+uFKWIIsr3gTqZd/r8zzbIdjFNk4q/qNgMEDtDcA0x5DAnXSlEQfGUnpBPoGq1fLMOE rdMH5Maomsxct+6/aDk0jbccEPTc/MOWtDwpYrvUtoV6H0E7I9goKqO5zHvjgdxi7QBh gH7Q== X-Forwarded-Encrypted: i=1; AHgh+RpxDbPcyDZru1eHb2TA/3G081JefQgdyp1fC01DQqHWGAEwTxtUjtY39GSVlO7+8CJ391/UtO0XmA==@kvack.org X-Gm-Message-State: AOJu0YyQxGDiawihdXwPDmMG/opeP6fDQlNGyZL5sGybBpLaRfE6MC8k bpSBNVPtd31IZ+EkrARXW02Jd10+eFHe1j3Bcg+GPwzTggcxGPuU+a9Z X-Gm-Gg: AR+sD13gqqbIFsDfn3j4zqjOCo8kPVPEspKic8HgEl43LKNzLxLpakMj7V9dGWh/TXG F+3TqAOXXYAxjp9vDPSDI83lqaBuLBwEw8QMbfTJyQ+6+ZoqKwXVvk2yNW2weR8pmdk3SiKCEwC hV39HzmMNxYyY8lmmGNuuebReK2fjdeNl15bJkDD+uRBQtZvhI5JLk8pFdpQyzi7sSHrzh7BCOv O/JVIPKsleLm9iyIRJqsHK4CULnh15ZOdk6OeKu3sh2hzfVZyVR5MZXtBpNm7XKbhOH20aIY+VR ONj0kk1uTJE3TKi5m6kLXFCP+IjjXkZSwA0MbMQYidGW9bS8/3k5hlo922ClH8p2UFp9FrHYaLv BicsB1KU83DxeXxeSAlqPK5qdwNPSLlJ8+PsK3UyboGEGx8F9uggaeJ2Nc+wMBmuygGTUO6cRAT urQThOWZIIZAn7de7w38TeTTZJwsc7Gvrh0znq06yWoO3SO9ZEpiQm X-Received: by 2002:a17:90a:d005:b0:36d:b12b:f57d with SMTP id 98e67ed59e1d1-3931f581f38mr20607364a91.12.1786888688422; Sun, 16 Aug 2026 06:58:08 -0700 (PDT) Received: from 192.168.1.2 ([157.85.198.7]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-141387e49d3sm31515973c88.7.2026.08.16.06.58.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 16 Aug 2026 06:58:08 -0700 (PDT) From: Foxie Flakey X-Google-Original-From: Foxie Flakey Date: Sun, 16 Aug 2026 20:58:04 +0700 (WIB) To: Mike Rapoport cc: Suren Baghdasaryan , akpm@linux-foundation.org, peterx@redhat.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] userfaultfd: reset err to be 0 when move_pages_ptes succeeded In-Reply-To: Message-ID: References: <9c936a9f-ed27-e510-872f-5b3b8c680975@gmail.com> <69522f38-7e5d-ebdf-d42e-11d822bce662@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Rspamd-Queue-Id: C4ADEC0003 X-Rspam-User: X-Stat-Signature: hi9baa3ff6pxyitm8gysdqtwrhh9x1bp X-Rspamd-Server: rspam06 X-HE-Tag: 1786888689-657436 X-HE-Meta: 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 MiMWZAHi 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Sun, 16 Aug 2026, Mike Rapoport wrote: > On Sun, Aug 16, 2026 at 04:41:07PM +0700, Foxie Flakey wrote: > > On Sun, 16 Aug 2026, Mike Rapoport wrote: > > > > > (adding Suren) > > > > > > On Sat, Aug 15, 2026 at 05:42:12PM +0700, Foxie Flakey wrote: > > > > > > > > Fixes: 50944692052b ("userfaultfd: opportunistic TLB-flush batching for present pages in MOVE") > > > > Signed-off-by: Foxie Flakey > > > > > > Is Foxie Flakey your real name? > > > Signed-off-by should be using a known identity (sorry, no anonymous contributions.) > > > > Thanks for response. Sorry, no. A question, by "known identity" there is it > > means my real/legal name? because I have read a document about Signed-off-by > > and because on internet I'm known as Foxie Flakey in multiple places, I > > thought its fine. > > It does not have to be the legal name, but we do prefer real/preferred > names over nicknames: > > CNCF's clarification on DCO explains it well: > https://github.com/cncf/foundation/blob/659fd32c86dc/dco-guidelines.md I see thank you. So the Signed-off-by would be fine as in if I prefer not to put my legal/real/birth name. Would it fine to keep as "Foxie Flakey"? Because I have just read that guideline, Foxie Flakey isn't anonymous id nor false name. A small confirmation question due not sure with results from internet about where should I add Suren. I looked that you placed Suren in Cc. After the initial To (your first reply to my mail), on followup replies I should place Suren or anyone else to Cc filed after initial To, am I correct?