From nobody Sun Feb 8 20:36:46 2026 Received: from out-184.mta1.migadu.com (out-184.mta1.migadu.com [95.215.58.184]) (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 CBB7D2FB2 for ; Tue, 28 May 2024 20:21:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.184 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716927694; cv=none; b=fkRbaLbV382JwgU83UAesoeOs7TVhwqcqYKlXTeyorVuGD4MRHJOVnA4ob9zdV1bvlb6yzBWzYZ2oih/NHF41LPiAJVCzCYSnt3sNDLBl7wP6dz0T0a+XiH19SpNBE9DzNH58IJ5CGMh/us7Yv3IUk2aKfg7xp4st8JHKsXW84A= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716927694; c=relaxed/simple; bh=GcC1nM0KPHMi8J+HZspHXls7Ljq3h3rbKXZ9orPDqxs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=fWUgt+XVfcxABBAi4gqlDqaXj/4cVXjOGQAi5uN4UKeCHeih52EagMfpI7u8BXD8jvxr5WdH94nixwmWAX7/ZTgJvW3nSu1PaOkpYNles4lYMej8nWHXAz3UeWMhbcZs69QQvQIk0SfkjbC1a3euWbTCddaZ8HZBK9JMv8nkV7s= 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=kXZSc8P/; arc=none smtp.client-ip=95.215.58.184 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="kXZSc8P/" X-Envelope-To: akpm@linux-foundation.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1716927690; 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=skdB+ennJA28iFKwvEIuJBTK1zA9kQ9+RV54OQgd+d4=; b=kXZSc8P/l1zrFGRit40gHI3whujSvruQH3YhSlwEZ1uUMcCozwIdWfL6qDEkcRm9QzDSVc UHRXLckf864TfJOmD04sKC+D6vsPTG6HnILGtUgBzBbnRKJRSLW+ud56nXyAeDqTjFyNeV B/HrZW4NnMEMOrjHq8VMrBAJkpsXtPo= X-Envelope-To: muchun.song@linux.dev X-Envelope-To: hannes@cmpxchg.org X-Envelope-To: mhocko@kernel.org X-Envelope-To: shakeel.butt@linux.dev X-Envelope-To: willy@infradead.org X-Envelope-To: linux-mm@kvack.org X-Envelope-To: linux-kernel@vger.kernel.org X-Envelope-To: roman.gushchin@linux.dev X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Roman Gushchin To: Andrew Morton Cc: Muchun Song , Johannes Weiner , Michal Hocko , Shakeel Butt , Matthew Wilcox , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Roman Gushchin Subject: [PATCH v1 01/14] mm: memcg: introduce memcontrol-v1.c Date: Tue, 28 May 2024 13:20:53 -0700 Message-ID: <20240528202101.3099300-2-roman.gushchin@linux.dev> In-Reply-To: <20240528202101.3099300-1-roman.gushchin@linux.dev> References: <20240528202101.3099300-1-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" This patch introduces the mm/memcontrol-v1.c source file which will be used= for all legacy (cgroup v1) memory cgroup code. It also introduces mm/memcontrol= -v1.h to keep declarations shared between mm/memcontrol.c and mm/memcontrol-v1.c. As of now, let's compile it if CONFIG_MEMCG is set, similar to mm/memcontro= l.c. Later on it can be switched to use a separate config option, so that the le= gacy code won't be compiled if not required. Signed-off-by: Roman Gushchin Acked-by: Shakeel Butt --- mm/Makefile | 3 ++- mm/memcontrol-v1.c | 3 +++ mm/memcontrol-v1.h | 7 +++++++ 3 files changed, 12 insertions(+), 1 deletion(-) create mode 100644 mm/memcontrol-v1.c create mode 100644 mm/memcontrol-v1.h diff --git a/mm/Makefile b/mm/Makefile index 8fb85acda1b1c..124d4dea20351 100644 --- a/mm/Makefile +++ b/mm/Makefile @@ -26,6 +26,7 @@ KCOV_INSTRUMENT_page_alloc.o :=3D n KCOV_INSTRUMENT_debug-pagealloc.o :=3D n KCOV_INSTRUMENT_kmemleak.o :=3D n KCOV_INSTRUMENT_memcontrol.o :=3D n +KCOV_INSTRUMENT_memcontrol-v1.o :=3D n KCOV_INSTRUMENT_mmzone.o :=3D n KCOV_INSTRUMENT_vmstat.o :=3D n KCOV_INSTRUMENT_failslab.o :=3D n @@ -95,7 +96,7 @@ obj-$(CONFIG_NUMA) +=3D memory-tiers.o obj-$(CONFIG_DEVICE_MIGRATION) +=3D migrate_device.o obj-$(CONFIG_TRANSPARENT_HUGEPAGE) +=3D huge_memory.o khugepaged.o obj-$(CONFIG_PAGE_COUNTER) +=3D page_counter.o -obj-$(CONFIG_MEMCG) +=3D memcontrol.o vmpressure.o +obj-$(CONFIG_MEMCG) +=3D memcontrol.o memcontrol-v1.o vmpressure.o ifdef CONFIG_SWAP obj-$(CONFIG_MEMCG) +=3D swap_cgroup.o endif diff --git a/mm/memcontrol-v1.c b/mm/memcontrol-v1.c new file mode 100644 index 0000000000000..a941446ba575b --- /dev/null +++ b/mm/memcontrol-v1.c @@ -0,0 +1,3 @@ +// SPDX-License-Identifier: GPL-2.0-or-later + +#include "memcontrol-v1.h" diff --git a/mm/memcontrol-v1.h b/mm/memcontrol-v1.h new file mode 100644 index 0000000000000..7c5f094755ff8 --- /dev/null +++ b/mm/memcontrol-v1.h @@ -0,0 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#ifndef __MM_MEMCONTROL_V1_H +#define __MM_MEMCONTROL_V1_H + + +#endif /* __MM_MEMCONTROL_V1_H */ --=20 2.45.1