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]) by smtp.lore.kernel.org (Postfix) with ESMTP id 35523C00140 for ; Mon, 15 Aug 2022 12:39:42 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 762516B0073; Mon, 15 Aug 2022 08:39:42 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 7109B8D0003; Mon, 15 Aug 2022 08:39:42 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 5D9BE8D0002; Mon, 15 Aug 2022 08:39:42 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 4E3C16B0073 for ; Mon, 15 Aug 2022 08:39:42 -0400 (EDT) Received: from smtpin18.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id 246131205F5 for ; Mon, 15 Aug 2022 12:39:42 +0000 (UTC) X-FDA: 79801783404.18.EBA7D5F Received: from mail.sberdevices.ru (mail.sberdevices.ru [45.89.227.171]) by imf07.hostedemail.com (Postfix) with ESMTP id 83977401BE for ; Mon, 15 Aug 2022 12:39:41 +0000 (UTC) Received: from s-lin-edge02.sberdevices.ru (localhost [127.0.0.1]) by mail.sberdevices.ru (Postfix) with ESMTP id 396985FD05; Mon, 15 Aug 2022 15:39:39 +0300 (MSK) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sberdevices.ru; s=mail; t=1660567179; bh=5w4LerBx6pluL5hWSjCUy6U5aknGE0ymDNztcNBibbY=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type; b=T2gQ/uTwysZ2kk9h86fOA35JzxspP8yzBRmkrnZmEvONYsRAPR+x+E11HVx6DgYqs tr372abgLcaGWtwM49ByFpgaCU6fBujSxoMpPFlQCfFxj0yEjyUFII1T5REN//Fd6D LGPj0y73Zk8xrqwQIIRttEYdHtaes5GyiN3jyEKmuYt+MjBdVybrgQHVkFxH/h1rS+ XhS4xLWcTrVZ1KisUdT9nbl6sGdzIsg1yWaw8M8cTMgHDktjJikToo/I3xUCOKBPvg RS46uf8BAs2D/qY7mU/5yCZdN6yI/wR2972LY3SiHg+LokmMU2bIq0qgQh6+v66aBT r8fkq1AE2Z8HQ== Received: from S-MS-EXCH01.sberdevices.ru (S-MS-EXCH01.sberdevices.ru [172.16.1.4]) by mail.sberdevices.ru (Postfix) with ESMTP; Mon, 15 Aug 2022 15:39:38 +0300 (MSK) From: Alexey Romanov To: , , , CC: , , , Alexey Romanov Subject: [PATCH v2 0/2] tidy up zsmalloc implementation Date: Mon, 15 Aug 2022 15:39:28 +0300 Message-ID: <20220815123930.37736-1-avromanov@sberdevices.ru> X-Mailer: git-send-email 2.33.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [172.16.1.6] X-ClientProxiedBy: S-MS-EXCH01.sberdevices.ru (172.16.1.4) To S-MS-EXCH01.sberdevices.ru (172.16.1.4) X-KSMG-Rule-ID: 4 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Status: not scanned, disabled by settings X-KSMG-AntiSpam-Interceptor-Info: not scanned X-KSMG-AntiPhishing: not scanned, disabled by settings X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 1.1.2.30, bases: 2022/08/15 08:42:00 #20120161 X-KSMG-AntiVirus-Status: Clean, skipped ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1660567181; 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:content-transfer-encoding:in-reply-to: references:dkim-signature; bh=5w4LerBx6pluL5hWSjCUy6U5aknGE0ymDNztcNBibbY=; b=7Wslcqg7P26QlnLA3lnuHPinnh6MMHXPqjb9o8DXKDkSmB4zlr0i6LyhRywGCSkg62TR8O w3P3pdFbHyJGuc1BRYxpCOIvTmYwMgbpqgDCkPTSbHhuJUzDHIKrDCg+F0c6iDSKTMWqBi KN7qBxU9yvRT7Wm9BX7hi33+MoATO8E= ARC-Authentication-Results: i=1; imf07.hostedemail.com; dkim=pass header.d=sberdevices.ru header.s=mail header.b="T2gQ/uTw"; spf=pass (imf07.hostedemail.com: domain of AVRomanov@sberdevices.ru designates 45.89.227.171 as permitted sender) smtp.mailfrom=AVRomanov@sberdevices.ru; dmarc=pass (policy=quarantine) header.from=sberdevices.ru ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1660567181; a=rsa-sha256; cv=none; b=cFch/AqB/18tMuTxy4ru3G5eucoTuDpQWsZsmvyLvCpjj6SBXiFssIhXCC0y6jtjAGa93U 8pXZ1YTMxwwH282ZsqTxxyXByGf09YvVTQlxKt49uhK3r+5wOkQQJL1E2MlKhw4pwhE0pc s6PMTOyFHgjVHHtMqI0KZaw/LbsD3Ko= X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 83977401BE X-Rspam-User: Authentication-Results: imf07.hostedemail.com; dkim=pass header.d=sberdevices.ru header.s=mail header.b="T2gQ/uTw"; spf=pass (imf07.hostedemail.com: domain of AVRomanov@sberdevices.ru designates 45.89.227.171 as permitted sender) smtp.mailfrom=AVRomanov@sberdevices.ru; dmarc=pass (policy=quarantine) header.from=sberdevices.ru X-Stat-Signature: ynedbkw1ndg5dett7xbqcki47c9he6kr X-HE-Tag: 1660567181-820590 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000467, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hello! This patchset remove some unnecessary checks and adds clarifying comment. While analysis zs_object_copy() function code, I spent some time to understand what the call kunmap_atomic(d_addr) is for. It seems that this point is not trivial and it is worth adding a comment. Alexey Romanov (2): zsmalloc: zs_object_copy: add clarifying comment zsmalloc: remove unnecessary size_class NULL check mm/zsmalloc.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) -- 2.30.1