Received: by 2002:a05:7412:cfc7:b0:fc:a2b0:25d7 with SMTP id by7csp2572709rdb; Wed, 21 Feb 2024 11:52:44 -0800 (PST) X-Forwarded-Encrypted: i=3; AJvYcCWbgpOjD658zpv/NXZvmLLsGRMQ7UVK5CEwLiB/vv0OX4uPRHVbfFbGI1aGjE4wJSXCd9cc/faEERvMR6tzictKVISJK5562VmdxR7ifg== X-Google-Smtp-Source: AGHT+IF9NWl4wuLEhraVfgUDH5nODGpaMTR8vvzd2u4xNmlfbarc1exQjsB+h9GVfCOAOeIxca+b X-Received: by 2002:ac8:5882:0:b0:42d:b584:6217 with SMTP id t2-20020ac85882000000b0042db5846217mr24152671qta.45.1708545164167; Wed, 21 Feb 2024 11:52:44 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1708545164; cv=pass; d=google.com; s=arc-20160816; b=UUGXEMCtgpAQCBu4yQJZ76uc12ceCfOynhfJSiMrGbrXvNjoRKVRO4qEuINRb89Alf PzeWKnk4XKM6FjxfYbJvTGmjtUBQKNQ0ORPbmkfuM1GW/DpxJXvkMhei7YbHcT3YHeeE OswZFl9XIns/mfraO/cCiISnXsOD7nLTFPWKRsYhh77URlg78z0LVKczjEJyacGlwt4t RDJQfFeUelmj00LEzhw6QqVfF21Cd9xbstdRdI/49oDh+qihl5/UyLayGzx6Yf0BA4Wg 2nhwPXCNz5VuzeN1Ms77YkRr42eICVgoCBg5RBGfMwdNJKrVEmBV+mp1NKGEjrfSdkQw 2nNw== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=cc:to:from:subject:message-id:references:mime-version :list-unsubscribe:list-subscribe:list-id:precedence:in-reply-to:date :dkim-signature; bh=uHb4H3aBf7zVkxjSohmSP0JQMXLGrYpxjhF/b1cUoKA=; fh=VvjBQcVT1x4FKB7pOytcs/QGge9xc7E6qm6Spn1nkL8=; b=W0YtEavNP4RgieGIL+g1JAfx1t+1JBq2JrTiOh8i6SgpBjwZ+U+HR0seD1z5rR0u+e JNBlXK8HtreexfyXpNoabXzaQEZfpIHhJJ2ndyuKi8Cc+25lQ6B7+Ues+ReCUMN0vtqI Z0LxBCT+UMG/GjgDR/FE+804bXVLUwXJTx7djowB0Fn0B4hOYvU5wsiK+crqtkl5f22W 1G9ZLu3o33f25cwSeiyRrFl6FSBJtY0/wmF0ROrj1FeDWDszyDf/gbgrLUqeQaRB5ITi Dwmsan0xLzXe55AWZ11A2tCSIYlwNQi0V4TO9btVMm8X9R5uCZmSOcEUw4XHNtEAutxA /vXA==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@google.com header.s=20230601 header.b=pTwaQUJF; arc=pass (i=1 spf=pass spfdomain=flex--surenb.bounces.google.com dkim=pass dkdomain=google.com dmarc=pass fromdomain=google.com); spf=pass (google.com: domain of linux-kernel+bounces-75407-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) smtp.mailfrom="linux-kernel+bounces-75407-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Return-Path: Received: from ny.mirrors.kernel.org (ny.mirrors.kernel.org. [147.75.199.223]) by mx.google.com with ESMTPS id e21-20020ac845d5000000b00429d470ea36si10510352qto.592.2024.02.21.11.52.44 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Feb 2024 11:52:44 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-75407-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) client-ip=147.75.199.223; Authentication-Results: mx.google.com; dkim=pass header.i=@google.com header.s=20230601 header.b=pTwaQUJF; arc=pass (i=1 spf=pass spfdomain=flex--surenb.bounces.google.com dkim=pass dkdomain=google.com dmarc=pass fromdomain=google.com); spf=pass (google.com: domain of linux-kernel+bounces-75407-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) smtp.mailfrom="linux-kernel+bounces-75407-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id D8F9C1C241D8 for ; Wed, 21 Feb 2024 19:52:43 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 4A8E215696F; Wed, 21 Feb 2024 19:42:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="pTwaQUJF" Received: from mail-yw1-f201.google.com (mail-yw1-f201.google.com [209.85.128.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DF7A51552FB for ; Wed, 21 Feb 2024 19:41:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708544519; cv=none; b=lNKArf4cjW0cBfSVcvxx6yEFroP5QaM6FUBVzn5KnJYNOn4kQbq2yRGgpXYDQhBj5aKCy3FqDb/xyCCSu53DP3bl4IW7+5MbDCBXPcOt96ysi2mfAbEKTLDjob8/v5w4TwDyk9UtewtTn8WUwxRjXjJFQs+5aoigdTL0mqk1bkY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708544519; c=relaxed/simple; bh=hd1J5dkAabTUxt5fufnQhMf7QryotHszZx321BkoNL8=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=qPI0hqFQvbrC5cFs2YDDona9aONno1Wi1iBOfbX5NeJNy17Lh4mbhRafmnOhINmCGublAfDmgTLHYkB/WXfMiB8mVs/yjHMQnyOPM3UQ7GjPs51G8v8RKvSgTi0DIzAG3enMXG7z0WQu7kDYdkF9deQ7PxtkOV21QQg0OFnnun0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--surenb.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=pTwaQUJF; arc=none smtp.client-ip=209.85.128.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--surenb.bounces.google.com Received: by mail-yw1-f201.google.com with SMTP id 00721157ae682-6081639fecfso53306607b3.1 for ; Wed, 21 Feb 2024 11:41:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1708544516; x=1709149316; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=uHb4H3aBf7zVkxjSohmSP0JQMXLGrYpxjhF/b1cUoKA=; b=pTwaQUJFAzAUKb5/1R5xQMk7vJAr7nzsz6OyTLJri8dYIW9YxFfU9lTEy6SNJHxfGk 0PECkdkYRpr9KCOibfTb0nugM71jy5diVCXwaqXdi8ZYrXakTPU3a2DHMoCWEQKP57VA 9YpB0OZ9M/bXO/rkXb7h8g/yHGIXxT9tBMfI/6HDC2vmj6vB+rDWjMh7TEv+0Kf+uYgR rl9VXKAkWpAkfB0b0YNKNO+OBJHXkY87ESq5lSXhysw6+0l/NnAOGeis+mYTSfUGx23N FJULvCPoMfz1Di8hAyDVvnl1ktKUKwXW03jvaRrPSegErAuVXrrVxD4JPbFfgxhLVXT5 vlpg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1708544516; x=1709149316; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=uHb4H3aBf7zVkxjSohmSP0JQMXLGrYpxjhF/b1cUoKA=; b=qJKWTlPdf6leg0bj+LFfM5HH8w7TIu2Kun6F/Drv926SnJs02dKiBTiSn6M6e81DqI a/mxR0eXSmBeeYBZIvzsYLUpiuluDbGb8p9e31nygXq2JhbDnwPxPncpoxxfdEEIzqRr QkAMLnxxdwNPKDVXrtlB8YrQ+wg4T5aGTNcPnQb+2cecaAKT3cFTJ738GerQcKXM8PKC Fika9F9IDHrlorpQhwM34gpHfLbbxHrg0tT6+bGmKyKEy+lqNSMc8SYME6Az85Ob7kGK +q8wkqIBn0KhyYwr3nYxWB20ta/4af2wjI2d5wzuXJwgU165gugwL04n4Hi9IhckHVDZ SU7A== X-Forwarded-Encrypted: i=1; AJvYcCVGQ/LAdhfbTD6XD3MOHeqN3Maqu77aYlu2KX8D92q6eII4PrZMguGrByvwTMRa9O2sV4BhhB9WT775nMA/rryjOAhHnFTtjoqjXTi6 X-Gm-Message-State: AOJu0YwqdyonAz4f2YnRspsMOdwnvQBVOIHNTX7bTMABm7d8XOiGbLKY 289Pq5kIaLn2Ap+onUCYz6Zh4DDHk3pdtT/CaYAxk83Vg3jgmc3rClwWZ9RV8CMRQFBvOMNoL4/ tlA== X-Received: from surenb-desktop.mtv.corp.google.com ([2620:15c:211:201:953b:9a4e:1e10:3f07]) (user=surenb job=sendgmr) by 2002:a0d:d5d7:0:b0:607:9bfd:d0bc with SMTP id x206-20020a0dd5d7000000b006079bfdd0bcmr3270706ywd.7.1708544515839; Wed, 21 Feb 2024 11:41:55 -0800 (PST) Date: Wed, 21 Feb 2024 11:40:40 -0800 In-Reply-To: <20240221194052.927623-1-surenb@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240221194052.927623-1-surenb@google.com> X-Mailer: git-send-email 2.44.0.rc0.258.g7320e95886-goog Message-ID: <20240221194052.927623-28-surenb@google.com> Subject: [PATCH v4 27/36] mm: percpu: Add codetag reference into pcpuobj_ext From: Suren Baghdasaryan To: akpm@linux-foundation.org Cc: kent.overstreet@linux.dev, mhocko@suse.com, vbabka@suse.cz, hannes@cmpxchg.org, roman.gushchin@linux.dev, mgorman@suse.de, dave@stgolabs.net, willy@infradead.org, liam.howlett@oracle.com, penguin-kernel@i-love.sakura.ne.jp, corbet@lwn.net, void@manifault.com, peterz@infradead.org, juri.lelli@redhat.com, catalin.marinas@arm.com, will@kernel.org, arnd@arndb.de, tglx@linutronix.de, mingo@redhat.com, dave.hansen@linux.intel.com, x86@kernel.org, peterx@redhat.com, david@redhat.com, axboe@kernel.dk, mcgrof@kernel.org, masahiroy@kernel.org, nathan@kernel.org, dennis@kernel.org, tj@kernel.org, muchun.song@linux.dev, rppt@kernel.org, paulmck@kernel.org, pasha.tatashin@soleen.com, yosryahmed@google.com, yuzhao@google.com, dhowells@redhat.com, hughd@google.com, andreyknvl@gmail.com, keescook@chromium.org, ndesaulniers@google.com, vvvvvv@google.com, gregkh@linuxfoundation.org, ebiggers@google.com, ytcoode@gmail.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, bristot@redhat.com, vschneid@redhat.com, cl@linux.com, penberg@kernel.org, iamjoonsoo.kim@lge.com, 42.hyeyoo@gmail.com, glider@google.com, elver@google.com, dvyukov@google.com, shakeelb@google.com, songmuchun@bytedance.com, jbaron@akamai.com, rientjes@google.com, minchan@google.com, kaleshsingh@google.com, surenb@google.com, kernel-team@android.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux.dev, linux-arch@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-modules@vger.kernel.org, kasan-dev@googlegroups.com, cgroups@vger.kernel.org Content-Type: text/plain; charset="UTF-8" From: Kent Overstreet To store codetag for every per-cpu allocation, a codetag reference is embedded into pcpuobj_ext when CONFIG_MEM_ALLOC_PROFILING=y. Hooks to use the newly introduced codetag are added. Signed-off-by: Kent Overstreet Signed-off-by: Suren Baghdasaryan --- mm/percpu-internal.h | 11 +++++++++-- mm/percpu.c | 26 ++++++++++++++++++++++++++ 2 files changed, 35 insertions(+), 2 deletions(-) diff --git a/mm/percpu-internal.h b/mm/percpu-internal.h index e62d582f4bf3..7e42f0ca3b7b 100644 --- a/mm/percpu-internal.h +++ b/mm/percpu-internal.h @@ -36,9 +36,12 @@ struct pcpuobj_ext { #ifdef CONFIG_MEMCG_KMEM struct obj_cgroup *cgroup; #endif +#ifdef CONFIG_MEM_ALLOC_PROFILING + union codetag_ref tag; +#endif }; -#ifdef CONFIG_MEMCG_KMEM +#if defined(CONFIG_MEMCG_KMEM) || defined(CONFIG_MEM_ALLOC_PROFILING) #define NEED_PCPUOBJ_EXT #endif @@ -86,7 +89,11 @@ struct pcpu_chunk { static inline bool need_pcpuobj_ext(void) { - return !mem_cgroup_kmem_disabled(); + if (IS_ENABLED(CONFIG_MEM_ALLOC_PROFILING)) + return true; + if (!mem_cgroup_kmem_disabled()) + return true; + return false; } extern spinlock_t pcpu_lock; diff --git a/mm/percpu.c b/mm/percpu.c index 2e5edaad9cc3..578531ea1f43 100644 --- a/mm/percpu.c +++ b/mm/percpu.c @@ -1699,6 +1699,32 @@ static void pcpu_memcg_free_hook(struct pcpu_chunk *chunk, int off, size_t size) } #endif /* CONFIG_MEMCG_KMEM */ +#ifdef CONFIG_MEM_ALLOC_PROFILING +static void pcpu_alloc_tag_alloc_hook(struct pcpu_chunk *chunk, int off, + size_t size) +{ + if (mem_alloc_profiling_enabled() && likely(chunk->obj_exts)) { + alloc_tag_add(&chunk->obj_exts[off >> PCPU_MIN_ALLOC_SHIFT].tag, + current->alloc_tag, size); + } +} + +static void pcpu_alloc_tag_free_hook(struct pcpu_chunk *chunk, int off, size_t size) +{ + if (mem_alloc_profiling_enabled() && likely(chunk->obj_exts)) + alloc_tag_sub_noalloc(&chunk->obj_exts[off >> PCPU_MIN_ALLOC_SHIFT].tag, size); +} +#else +static void pcpu_alloc_tag_alloc_hook(struct pcpu_chunk *chunk, int off, + size_t size) +{ +} + +static void pcpu_alloc_tag_free_hook(struct pcpu_chunk *chunk, int off, size_t size) +{ +} +#endif + /** * pcpu_alloc - the percpu allocator * @size: size of area to allocate in bytes -- 2.44.0.rc0.258.g7320e95886-goog