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 8F50BC25B76 for ; Sat, 1 Jun 2024 06:52:03 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 1F6316B0089; Sat, 1 Jun 2024 02:52:03 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 1A6806B00B6; Sat, 1 Jun 2024 02:52:03 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 046726B00C1; Sat, 1 Jun 2024 02:52:02 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id DB7346B00BF for ; Sat, 1 Jun 2024 02:52:02 -0400 (EDT) Received: from smtpin26.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 8DE5FA29A4 for ; Sat, 1 Jun 2024 06:52:02 +0000 (UTC) X-FDA: 82181400084.26.EFD9374 Received: from out-171.mta1.migadu.com (out-171.mta1.migadu.com [95.215.58.171]) by imf23.hostedemail.com (Postfix) with ESMTP id 6C8B014000E for ; Sat, 1 Jun 2024 06:52:00 +0000 (UTC) Authentication-Results: imf23.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=AOCafK+u; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf23.hostedemail.com: domain of shakeel.butt@linux.dev designates 95.215.58.171 as permitted sender) smtp.mailfrom=shakeel.butt@linux.dev ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1717224720; 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=36nPljF0mtO/WeP9Ads+GsMlYOhzpHvpBAZMAFqLFVk=; b=f7SKb4qZ39UTNwlVugpFi76C/Km5v2zKcqBRJtnGOmXfEd0vwANf7xmEO/g0KWNVL5Cxwo VsrjntmwVtqDpTGM4t8nnVwvBeJlX8PgauB9yXx2mCdyU7NTdutbzohbTAxP9PzEF7fjq+ 7bvftB42v37/YiYH1pgXL71xBuDU1zo= ARC-Authentication-Results: i=1; imf23.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=AOCafK+u; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf23.hostedemail.com: domain of shakeel.butt@linux.dev designates 95.215.58.171 as permitted sender) smtp.mailfrom=shakeel.butt@linux.dev ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1717224720; a=rsa-sha256; cv=none; b=1Q4Dq14xAz92MLgtshMu4Wu12K9eDrqnk54i+PCXbRxyW70AsNtGJZs2uZ5VwPs5LwYnVq 99Sg8SH+B/61IPiqTmqBRZaGy47XMj84tiQiN+KS7+ABP7oAbqB3Fb0hRiqEibBi+9EH8j 8TJeQenXSrHBy4mGiS3vaCUOrrwQ7JU= X-Envelope-To: roman.gushchin@linux.dev DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1717224719; 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=36nPljF0mtO/WeP9Ads+GsMlYOhzpHvpBAZMAFqLFVk=; b=AOCafK+uQ/lGv4NvvRH/KxdbxT5mSypYbjl3K9qtZe30PhRixB9L4TZ0cd+9KnZ/sQNZ5s egRnqURUAjCEka+MjUBcutcerM1aZWjJtd7Ks3v/YoMruwqoGOCGj+bN0l/4vvQ3qfHi+9 LnDbmTPSOXsQScLJE7X6wqQ1lgzs6Tc= X-Envelope-To: akpm@linux-foundation.org X-Envelope-To: muchun.song@linux.dev X-Envelope-To: hannes@cmpxchg.org X-Envelope-To: mhocko@kernel.org X-Envelope-To: willy@infradead.org X-Envelope-To: linux-mm@kvack.org X-Envelope-To: linux-kernel@vger.kernel.org Date: Fri, 31 May 2024 23:51:55 -0700 X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Shakeel Butt To: Roman Gushchin Cc: Andrew Morton , Muchun Song , Johannes Weiner , Michal Hocko , Matthew Wilcox , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v1 13/14] mm: memcg: put cgroup v1-related members of task_struct under config option Message-ID: References: <20240528202101.3099300-1-roman.gushchin@linux.dev> <20240528214435.3125304-1-roman.gushchin@linux.dev> <20240528214435.3125304-4-roman.gushchin@linux.dev> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240528214435.3125304-4-roman.gushchin@linux.dev> X-Migadu-Flow: FLOW_OUT X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 6C8B014000E X-Stat-Signature: 49ozjg5tcwn36gr9wh46gjbuzwpjwrr4 X-HE-Tag: 1717224720-519063 X-HE-Meta: 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 WgiXfifU sR7kCQvnkT8GScySaIwjk0tiHzlfsh+H5toLokpt1hy9GuTIlpTspgrCv9GMhHx4WdQbz/kB8gNlDyCdHdQ5srEU0XCjfa1TZ0VxqQbQugFB3h9B5WH1s4b64Sx1JHGoOiUmc 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: On Tue, May 28, 2024 at 02:44:34PM GMT, Roman Gushchin wrote: > Guard cgroup v1-related members of task_struct under the CONFIG_MEMCG_V1 > config option, so that users who adopted cgroup v2 don't have to waste > the memory for fields which are never accessed. > > Signed-off-by: Roman Gushchin Acked-by: Shakeel Butt