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 F3F70E7AD4B for ; Thu, 25 Dec 2025 23:21:39 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 64EC46B008A; Thu, 25 Dec 2025 18:21:39 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 5F27C6B008C; Thu, 25 Dec 2025 18:21:39 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 51F2F6B0092; Thu, 25 Dec 2025 18:21:39 -0500 (EST) 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 445976B008A for ; Thu, 25 Dec 2025 18:21:39 -0500 (EST) Received: from smtpin27.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id E2547BA21C for ; Thu, 25 Dec 2025 23:21:38 +0000 (UTC) X-FDA: 84259567476.27.1E216D9 Received: from out-187.mta1.migadu.com (out-187.mta1.migadu.com [95.215.58.187]) by imf25.hostedemail.com (Postfix) with ESMTP id 3A7AAA0009 for ; Thu, 25 Dec 2025 23:21:36 +0000 (UTC) Authentication-Results: imf25.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=V1Ud422M; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf25.hostedemail.com: domain of shakeel.butt@linux.dev designates 95.215.58.187 as permitted sender) smtp.mailfrom=shakeel.butt@linux.dev ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1766704897; a=rsa-sha256; cv=none; b=Q3epXS1MJFyFbr3OsukxETjq6qXaYY5SygiJT1XoJYvDGTBN+oklUJb273+BoK/pRtMKig 2yFFBmdP1vLBgHCDZkRQdq51rBD8LSBbjDzj36xT5fWXhP0NsQR3hQhlOl2zKYCRJAKnJM +DPprE55AVSoSAByU5BfhvsyJf7+LNU= ARC-Authentication-Results: i=1; imf25.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=V1Ud422M; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf25.hostedemail.com: domain of shakeel.butt@linux.dev designates 95.215.58.187 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=1766704897; 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-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=k0ch+6yI2tUKJ64buXx3qfBV9aEKwt068abp9sUTgOs=; b=HTi3bXdTBpsqlp2uEa+D0EfyqffSzxwvVubp20WsIc1h91ZA+Vx0usYJodelUYhNeUwbdN g617g71UGVn9wG5iO8YPNBgzODPztVURs1Mey4P6HRHfiqIz0h3YllgJRbdS3MvLPm4Xyi t9s0fEKnFpeuQI/pNL1xc5n9vSUA6Zc= 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=1766704895; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=k0ch+6yI2tUKJ64buXx3qfBV9aEKwt068abp9sUTgOs=; b=V1Ud422Myo3TSvF6ot7WDW/igs4tzP3Spgllu6/P7t+yRgxB7sI+zS3mDjX1I21L2u889u tqjQR3Orgezg0Y9YJj/O86Yg0JdwIfK39WId2zS0EWkLKrgb9HIm3GEFOB+HcLG+3E5+Sb Gr+pB7+MPupund5xTwfR5NYHdHmprNI= From: Shakeel Butt To: Andrew Morton Cc: Johannes Weiner , Michal Hocko , Roman Gushchin , Muchun Song , SeongJae Park , Meta kernel team , linux-mm@kvack.org, cgroups@vger.kernel.org, damon@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH 2/8] memcg: expose mem_cgroup_ino() and mem_cgroup_get_from_ino() unconditionally Date: Thu, 25 Dec 2025 15:21:10 -0800 Message-ID: <20251225232116.294540-3-shakeel.butt@linux.dev> In-Reply-To: <20251225232116.294540-1-shakeel.butt@linux.dev> References: <20251225232116.294540-1-shakeel.butt@linux.dev> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 3A7AAA0009 X-Stat-Signature: bhi3m57zsjszzcksn8bn81b9bdtn8nkb X-Rspam-User: X-HE-Tag: 1766704896-139888 X-HE-Meta: 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 HohFJwcU 6EpOKUPFrI9cs4/h+KxL4KAVG2KPrXA9Erzmchby2qIf+Q2iYC1wok544Aq1DHAE0113uh9TN7ok1TFBUAKDNuXRJmvu+rEwt28+tubZh7BheuPemmZ0tGqH9MPyXM2loi3WKXYDb7E0sK514RZY8n8aLlfzynR7TEEEZF60GlBE7pQ7nlfOXFBAs09ku/puJn/LHtgYb5x1QLe6VwAmAxjFdGV0chtu+2gczVF8IjcjBrpwZGFS5oBHI2CCFx45P9qL6ZTLpNySH+6Fbqi2pIBa/rA== 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: Remove the CONFIG_SHRINKER_DEBUG guards around mem_cgroup_ino() and mem_cgroup_get_from_ino(). These APIs provide a way to get a memcg's cgroup inode number and to look up a memcg from an inode number respectively. Making these functions unconditionally available allows other in-kernel users to leverage them without requiring CONFIG_SHRINKER_DEBUG to be enabled. No functional change for existing users. Signed-off-by: Shakeel Butt --- include/linux/memcontrol.h | 4 ---- mm/memcontrol.c | 2 -- 2 files changed, 6 deletions(-) diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 1c4224bcfb23..77f32be26ea8 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -836,14 +836,12 @@ static inline unsigned short mem_cgroup_id(struct mem_cgroup *memcg) } struct mem_cgroup *mem_cgroup_from_id(unsigned short id); -#ifdef CONFIG_SHRINKER_DEBUG static inline unsigned long mem_cgroup_ino(struct mem_cgroup *memcg) { return memcg ? cgroup_ino(memcg->css.cgroup) : 0; } struct mem_cgroup *mem_cgroup_get_from_ino(unsigned long ino); -#endif static inline struct mem_cgroup *mem_cgroup_from_seq(struct seq_file *m) { @@ -1308,7 +1306,6 @@ static inline struct mem_cgroup *mem_cgroup_from_private_id(unsigned short id) return NULL; } -#ifdef CONFIG_SHRINKER_DEBUG static inline unsigned long mem_cgroup_ino(struct mem_cgroup *memcg) { return 0; @@ -1318,7 +1315,6 @@ static inline struct mem_cgroup *mem_cgroup_get_from_ino(unsigned long ino) { return NULL; } -#endif static inline struct mem_cgroup *mem_cgroup_from_seq(struct seq_file *m) { diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 25ad8433df2e..e85816960e38 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -3620,7 +3620,6 @@ struct mem_cgroup *mem_cgroup_from_id(unsigned short id) return mem_cgroup_from_private_id(id); } -#ifdef CONFIG_SHRINKER_DEBUG struct mem_cgroup *mem_cgroup_get_from_ino(unsigned long ino) { struct cgroup *cgrp; @@ -3641,7 +3640,6 @@ struct mem_cgroup *mem_cgroup_get_from_ino(unsigned long ino) return memcg; } -#endif static void free_mem_cgroup_per_node_info(struct mem_cgroup_per_node *pn) { -- 2.47.3