From nobody Thu Dec 18 00:09:36 2025 Received: from out-180.mta1.migadu.com (out-180.mta1.migadu.com [95.215.58.180]) (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 2811E32F777 for ; Mon, 27 Oct 2025 23:17:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.180 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761607076; cv=none; b=MGKrTKshLZLI3NH4dSOuTOGbkNAGsWF5CquWDRLliknhNE4AQf4oBMs/R6ChrlAzdp55+HAMQ8JrBMWLyEaF/LvGNvq8aEW+Cd3gODczJGnOn9eNIuMR9EbHgsq99H0ctWY9DMe2BNkCvt9k3whCk/UiUKKQbnbVI+FsKE6FJ7I= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761607076; c=relaxed/simple; bh=0B+X9FpNu4kGkQG0w7cX0dsTwpSio7rx+GX3WF0gOvE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=XYlBx4UInnqs1NDw7pr9AEsvhuvrffCXgeecyj2pXBiYMTyXio9ypXcH3yI4uzUld2t06wwMM5dZkmtSUGYqBelT9wUxusEweaOneMkypTqEpEkJfLuUnU8sE9KPDrfJByxCt+EjKV2+kiI6AOYMK+aKxDnyl7wCzyKpj0dZPLM= 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=pacyHFTh; arc=none smtp.client-ip=95.215.58.180 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="pacyHFTh" 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=1761607073; 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=e0l0t2z6jhNE2z17NKK8gjaGASdsEhVg9kL49c/ISKE=; b=pacyHFThuJC47YY9Mr3wRKzrbF0AwB6lU0s2BdtV2dFfiEDufmHfV5ZwlzRWX/d/23k/L0 F4AO04GiE/rOnYDt8ohD7rimZelbe8iL0wtlTpOTeuFb0KitV8nTFwjwZVnA+9F9krd2qV c7mmNiUB9zx4dMX/t50olXVyoMx0Szs= From: Roman Gushchin To: Andrew Morton Cc: linux-kernel@vger.kernel.org, Alexei Starovoitov , Suren Baghdasaryan , Michal Hocko , Shakeel Butt , Johannes Weiner , Andrii Nakryiko , JP Kobryn , linux-mm@kvack.org, cgroups@vger.kernel.org, bpf@vger.kernel.org, Martin KaFai Lau , Song Liu , Kumar Kartikeya Dwivedi , Tejun Heo , Roman Gushchin Subject: [PATCH v2 04/23] mm: define mem_cgroup_get_from_ino() outside of CONFIG_SHRINKER_DEBUG Date: Mon, 27 Oct 2025 16:17:07 -0700 Message-ID: <20251027231727.472628-5-roman.gushchin@linux.dev> In-Reply-To: <20251027231727.472628-1-roman.gushchin@linux.dev> References: <20251027231727.472628-1-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 873e510d6f8d..9af9ae28afe7 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -832,9 +832,9 @@ 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) { @@ -1331,12 +1331,12 @@ 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 4deda33625f4..5d27cd5372aa 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -3618,7 +3618,6 @@ 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; @@ -3639,7 +3638,6 @@ 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 2.51.0