From nobody Mon Feb 9 06:25:48 2026 Received: from out-188.mta0.migadu.com (out-188.mta0.migadu.com [91.218.175.188]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F060C303C86 for ; Tue, 27 Jan 2026 02:44:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.188 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769481892; cv=none; b=aFUkwojAkYlwh1eMXuXp1ootIhAUaJLCpvoN2ZUXjAMMN75rZhgwfmFUmJF/sDFsL9OVeaXb9pKRS/1NhOcw8mhdT8gTN38e37YP/73ifsupr6052Nj92cpZjhAwI57VSPkUnEYUMhcerf5GD/2Er3md0dGg4fjB9vTH2WcQL2I= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769481892; c=relaxed/simple; bh=l2J+VLQunoYwD12xnQtADo6Npe5a0bRSJ878DtkY/Ck=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=N+npiz5dpM2AiltRVGzwJrBaYU8HqNk//1/wzFTrO1bPm+49WiZHWfAopz4s+5RMdRuwmHoHR/HnWPlPC8q1N02MvUrBe38Ze0hNNpPKNaL4tr7kPGXSQ0HzuZPY91V3HhkK3gGPC6lANUVWftKauENy7OChv6A7b2t+aSHuWNM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=Rhts6mQM; arc=none smtp.client-ip=91.218.175.188 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="Rhts6mQM" 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=1769481889; 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=NPd+QwwbuEzKgn4FQGSv0lyG+/wois/P4FfQeHoWF5A=; b=Rhts6mQMQZZxrxw8Xk9BEvbK6o44XNbmmhK472cmB7CuGwjezMpdne9VbrgkQ78D+ePRvh iuPRgl1aJc5D7xd+Q2FexArub5LkM4xpCa1vLG6jo2/FLTi+r5RqwIX/LUa/N5Y2AuZ03I Ls4PTjaEgPnGCW19UOoQ6xc+pTAwkPg= From: Roman Gushchin To: bpf@vger.kernel.org Cc: Michal Hocko , Alexei Starovoitov , Matt Bobrowski , Shakeel Butt , JP Kobryn , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Suren Baghdasaryan , Johannes Weiner , Andrew Morton , Roman Gushchin Subject: [PATCH bpf-next v3 06/17] mm: define mem_cgroup_get_from_ino() outside of CONFIG_SHRINKER_DEBUG Date: Mon, 26 Jan 2026 18:44:09 -0800 Message-ID: <20260127024421.494929-7-roman.gushchin@linux.dev> In-Reply-To: <20260127024421.494929-1-roman.gushchin@linux.dev> References: <20260127024421.494929-1-roman.gushchin@linux.dev> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" mem_cgroup_get_from_ino() can be reused by the BPF OOM implementation, but currently depends on CONFIG_SHRINKER_DEBUG. Remove this dependency. Signed-off-by: Roman Gushchin Acked-by: Michal Hocko --- include/linux/memcontrol.h | 4 ++-- mm/memcontrol.c | 2 -- 2 files changed, 2 insertions(+), 4 deletions(-) diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 229ac9835adb..f3b8c71870d8 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -833,9 +833,9 @@ static inline unsigned long mem_cgroup_ino(struct mem_c= group *memcg) { return memcg ? cgroup_ino(memcg->css.cgroup) : 0; } +#endif =20 struct mem_cgroup *mem_cgroup_get_from_ino(unsigned long ino); -#endif =20 static inline struct mem_cgroup *mem_cgroup_from_seq(struct seq_file *m) { @@ -1298,12 +1298,12 @@ static inline unsigned long mem_cgroup_ino(struct m= em_cgroup *memcg) { return 0; } +#endif =20 static inline struct mem_cgroup *mem_cgroup_get_from_ino(unsigned long ino) { return NULL; } -#endif =20 static inline struct mem_cgroup *mem_cgroup_from_seq(struct seq_file *m) { diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 3808845bc8cc..1f74fce27677 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -3658,7 +3658,6 @@ struct mem_cgroup *mem_cgroup_from_id(unsigned short = id) return xa_load(&mem_cgroup_ids, id); } =20 -#ifdef CONFIG_SHRINKER_DEBUG struct mem_cgroup *mem_cgroup_get_from_ino(unsigned long ino) { struct cgroup *cgrp; @@ -3679,7 +3678,6 @@ struct mem_cgroup *mem_cgroup_get_from_ino(unsigned l= ong ino) =20 return memcg; } -#endif =20 static void free_mem_cgroup_per_node_info(struct mem_cgroup_per_node *pn) { --=20 2.52.0