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=-10.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 B3156C4338F for ; Fri, 6 Aug 2021 11:47:22 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 42F9860F42 for ; Fri, 6 Aug 2021 11:47:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 42F9860F42 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org Received: by kanga.kvack.org (Postfix) id CD1088D0002; Fri, 6 Aug 2021 07:47:21 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id C7F7F6B0071; Fri, 6 Aug 2021 07:47:21 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B47DF8D0002; Fri, 6 Aug 2021 07:47:21 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0217.hostedemail.com [216.40.44.217]) by kanga.kvack.org (Postfix) with ESMTP id 9B5E06B006C for ; Fri, 6 Aug 2021 07:47:21 -0400 (EDT) Received: from smtpin40.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 382D71CFBD for ; Fri, 6 Aug 2021 11:47:21 +0000 (UTC) X-FDA: 78444480282.40.96C7C5E Received: from mail-qk1-f169.google.com (mail-qk1-f169.google.com [209.85.222.169]) by imf30.hostedemail.com (Postfix) with ESMTP id 021A4E0085EA for ; Fri, 6 Aug 2021 11:47:20 +0000 (UTC) Received: by mail-qk1-f169.google.com with SMTP id t66so9600970qkb.0 for ; Fri, 06 Aug 2021 04:47:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to; bh=BBUaoNE0IbHV53qO+WAxQddu4xQPBbh8BMh0jZwcruA=; b=UGYO8XflIKFBzKPQvL5rqM7+axUVT0po1AxTt2C4qGE+KPSHPthDNX6hu8Ywj2b1Fc 2mTnzrrTVl3qTIWjHz1ICttPxpVRWwuizsKCcH7qmjZokEjezNVgRh7m1SAx2ojSSHDY bUNyBMNKY01vnHeWM4jooGkcngDeZMfNRaXYfYgXH08b3NQsSCsguvGuq/vGccKK48z6 31QO3ZtnS7Jpk8p+xvg6xLbPH1eaHYno2RL5iJPKNZ2RhWsJpPyJIcoH3uzLor6i0C5C Riq40Oljh1sn81k4efcTLcXasGU0BAKyADiEq65HiA7oKJVb9ByKDZZIP8eYx0j24Apg /iFw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to; bh=BBUaoNE0IbHV53qO+WAxQddu4xQPBbh8BMh0jZwcruA=; b=M6D8P2utSaCjw7t10tCgSO0WnRktO0iUl4BK7oezIjlZk2Pa4l4Z72AlnjRWw8WaVu yiZ+/o22sE42RygM7nO60YZuey36+0vtEKQBy0tq/J2EbxUCw8ZTs4ZNFZtgskhyxou1 DLNTiptf8UOxcEE9J4op9FYyBIGm9+JFrC+a4VuAhALr5rv2EDg68ahfxpT/Mhb94C+j F5Kiq4kia1otGkobUxMj+9TG7qu1QchIqxLzwLei6ExEAP+SU4j74YHIKV6YjbTcDDMV VfuWHKZwuSdTHbH0y7UxU7ASyOlWk3v8AIEAmKcUEWBVZ7qihgjTmKNGUfI/eeclDdmZ fe8A== X-Gm-Message-State: AOAM530qDymb7pRsDiPOVQqDVvhhC23Q0fjTPZSlW5+u91WNybOC6QPo KB6Dn3ltI25QyNcEORmO05k= X-Google-Smtp-Source: ABdhPJyhv24ae9e6dk5V3IsNxW8zC0bYA3lE8SkGc9QVE5QigRf7J/3V1pQknD4O+oPZgN+H/KUJIw== X-Received: by 2002:a05:620a:1022:: with SMTP id a2mr9988723qkk.136.1628250440395; Fri, 06 Aug 2021 04:47:20 -0700 (PDT) Received: from localhost.localdomain (ec2-35-169-212-159.compute-1.amazonaws.com. [35.169.212.159]) by smtp.gmail.com with ESMTPSA id n190sm2340521qke.134.2021.08.06.04.47.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 06 Aug 2021 04:47:20 -0700 (PDT) From: SeongJae Park X-Google-Original-From: SeongJae Park To: Andrew Morton Cc: SeongJae Park , SeongJae Park , Jonathan.Cameron@Huawei.com, acme@kernel.org, alexander.shishkin@linux.intel.com, amit@kernel.org, benh@kernel.crashing.org, brendanhiggins@google.com, corbet@lwn.net, david@redhat.com, dwmw@amazon.com, elver@google.com, fan.du@intel.com, foersleo@amazon.de, greg@kroah.com, gthelen@google.com, guoju.fgj@alibaba-inc.com, jgowans@amazon.com, joe@perches.com, mgorman@suse.de, mheyne@amazon.de, minchan@kernel.org, mingo@redhat.com, namhyung@kernel.org, peterz@infradead.org, riel@surriel.com, rientjes@google.com, rostedt@goodmis.org, rppt@kernel.org, shakeelb@google.com, shuah@kernel.org, sieberf@amazon.com, snu@zelle79.org, vbabka@suse.cz, vdavydov.dev@gmail.com, zgf574564920@gmail.com, linux-damon@amazon.com, linux-mm@kvack.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v34 07/13] mm/damon: Implement a debugfs-based user space interface Date: Fri, 6 Aug 2021 11:47:11 +0000 Message-Id: <20210806114711.6900-1-sjpark@amazon.de> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210805174316.ff4b6eee629f9f05259058d9@linux-foundation.org> Authentication-Results: imf30.hostedemail.com; dkim=pass header.d=gmail.com header.s=20161025 header.b=UGYO8Xfl; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (imf30.hostedemail.com: domain of sj38park@gmail.com designates 209.85.222.169 as permitted sender) smtp.mailfrom=sj38park@gmail.com X-Stat-Signature: tuz51aans5c8kyy13z1zbmdce99mug3x X-Rspamd-Queue-Id: 021A4E0085EA X-Rspamd-Server: rspam01 X-HE-Tag: 1628250440-484595 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: SeongJae Park On Thu, 5 Aug 2021 17:43:16 -0700 Andrew Morton wrote: > On Fri, 16 Jul 2021 08:14:43 +0000 SeongJae Park wrote: > > > +#define targetid_is_pid(ctx) \ > > + (ctx->primitive.target_valid == damon_va_target_valid) > > + > > I think this can be implemented as a static inline C function? > > --- a/mm/damon/dbgfs.c~mm-damon-implement-a-debugfs-based-user-space-interface-fix-fix > +++ a/mm/damon/dbgfs.c > @@ -97,8 +97,10 @@ out: > return ret; > } > > -#define targetid_is_pid(ctx) \ > - (ctx->primitive.target_valid == damon_va_target_valid) > +static inline bool targetid_is_pid(const struct damon_ctx *ctx) > +{ > + return ctx->primitive.target_valid == damon_va_target_valid; > +} > > static ssize_t sprint_target_ids(struct damon_ctx *ctx, char *buf, ssize_t len) > { > > We prefer this because it looks better, provides typechecking and can > in some situations suppress unused variable warnings. Agreed, I will keep that preference in my mind. I also found that you already nicely made the change in the the -mm tree[1], appreciate! [1] https://www.ozlabs.org/~akpm/mmotm/broken-out/mm-damon-implement-a-debugfs-based-user-space-interface-fix-fix.patch Thanks, SeongJae Park