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 32064CAC5A5 for ; Wed, 24 Sep 2025 09:10:46 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 6A0828E0002; Wed, 24 Sep 2025 05:10:45 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 677A68E0001; Wed, 24 Sep 2025 05:10:45 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 5B4668E0002; Wed, 24 Sep 2025 05:10:45 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 457468E0001 for ; Wed, 24 Sep 2025 05:10:45 -0400 (EDT) Received: from smtpin15.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay01.hostedemail.com (Postfix) with ESMTP id D643C4355E for ; Wed, 24 Sep 2025 09:10:44 +0000 (UTC) X-FDA: 83923573608.15.ACC2AB0 Received: from out-179.mta0.migadu.com (out-179.mta0.migadu.com [91.218.175.179]) by imf14.hostedemail.com (Postfix) with ESMTP id DBD7B100009 for ; Wed, 24 Sep 2025 09:10:42 +0000 (UTC) Authentication-Results: imf14.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=X31usdp7; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf14.hostedemail.com: domain of roman.gushchin@linux.dev designates 91.218.175.179 as permitted sender) smtp.mailfrom=roman.gushchin@linux.dev ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1758705043; a=rsa-sha256; cv=none; b=OO7YYNqquzlIqJap9aSyUBeYqnuUa13IWo1nHjyCz2xfqpI0pALjf3E8jiGmcM963rC7IE oFvUtBj+Hz3s/bs/3s5/qlyMMQB0OurIQwsA1/34qct3h7hwfFgGNFKEx0BuGrFSKNI4Em cT86kIWUQIW9ZGjjvw/3p49PYcE2Pwo= ARC-Authentication-Results: i=1; imf14.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=X31usdp7; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf14.hostedemail.com: domain of roman.gushchin@linux.dev designates 91.218.175.179 as permitted sender) smtp.mailfrom=roman.gushchin@linux.dev ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1758705043; 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=wUDySOv7HlKF+HxWT2OI3uXw/DzQu4hAUfLskiKMf/0=; b=Y/iTCK6wDANWbqiLhHrXXO8+cy+TH7k0y2MtP7gJI2mEw6sNvxRfwTdPVJnrf94eBVj0We l5VbFk2R6wrJQT5ZhEqC2mKmGUC2fBCdqWRaTc50wL4Zs2ck+LIT0ToFXTsJjgTuNp54Ma GhbHCFr/Sx3rnL3h0coUBIV2VnvdYXU= X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1758705040; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=wUDySOv7HlKF+HxWT2OI3uXw/DzQu4hAUfLskiKMf/0=; b=X31usdp78cFCydE/T23Kxzp5auuT98YsCa/7QC+DzzcjhZ9cNLbzgf3OHvBQoxaqCa1HnU 1Kos01djZWNlz7HEv9WtbVRfkDdzNQLcPzWtVm6RQ7BrWVhQSghLLvZGXHCChG2PZ03USa 9pHOsgKsWxY6wWXuuGVHsVZjJOt+ucU= From: Roman Gushchin To: Qi Zheng Cc: hannes@cmpxchg.org, hughd@google.com, mhocko@suse.com, shakeel.butt@linux.dev, muchun.song@linux.dev, david@redhat.com, lorenzo.stoakes@oracle.com, ziy@nvidia.com, harry.yoo@oracle.com, baolin.wang@linux.alibaba.com, Liam.Howlett@oracle.com, npache@redhat.com, ryan.roberts@arm.com, dev.jain@arm.com, baohua@kernel.org, lance.yang@linux.dev, akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, Muchun Song Subject: Re: [PATCH v2 1/4] mm: thp: replace folio_memcg() with folio_memcg_charged() In-Reply-To: <0ac716fb7fea89ada92ad544f88ca546e43d1f29.1758618527.git.zhengqi.arch@bytedance.com> (Qi Zheng's message of "Tue, 23 Sep 2025 17:16:22 +0800") References: <0ac716fb7fea89ada92ad544f88ca546e43d1f29.1758618527.git.zhengqi.arch@bytedance.com> Date: Wed, 24 Sep 2025 09:10:07 +0000 Message-ID: <7ia4plbg6wsw.fsf@castle.c.googlers.com> MIME-Version: 1.0 Content-Type: text/plain X-Migadu-Flow: FLOW_OUT X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: DBD7B100009 X-Stat-Signature: k5pxh44957sizrz8hduzswk8spxp3u8a X-Rspam-User: X-HE-Tag: 1758705042-662390 X-HE-Meta: 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 YMBaF+lR bM/KSyktQMF8qfLTwmKW7rYeVeP5apTb0KNoI77o7cMLoyqEObsXHWZDnbpHjR5m4vlo23lKI9g37Iv5MUnJsYWqdvkPTLbFGxdonCwkWligHq6ReselGxFjYq340INqEPz3mOebSWCzZ/pgv1FbxA89Zw/CMFtu3lo1WLB/huBZnvVDmni3Mm+EV8idswhsCIAOiNs6TlpMQJG0XJ9Kn+sbSikKXaN+hqA982H0Je91CHB1MhMgqdcs/DOuUVemz7UBkpJj42y+XorbpWGpHNDnvjOt9c2e9ZJ1JNqmzxSCk2pJJ1MPTM53ysQ== 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: List-Subscribe: List-Unsubscribe: Qi Zheng writes: > From: Muchun Song > > folio_memcg_charged() is intended for use when the user is unconcerned > about the returned memcg pointer. It is more efficient than folio_memcg(). > Therefore, replace folio_memcg() with folio_memcg_charged(). > > Signed-off-by: Muchun Song > Acked-by: Johannes Weiner > Acked-by: Shakeel Butt > Acked-by: David Hildenbrand > Signed-off-by: Qi Zheng Reviewed-by: Roman Gushchin