From patchwork Thu Mar 21 16:36:53 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Suren Baghdasaryan X-Patchwork-Id: 13599226 Received: from mail-yb1-f201.google.com (mail-yb1-f201.google.com [209.85.219.201]) (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 79CDE142918 for ; Thu, 21 Mar 2024 16:38:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711039101; cv=none; b=nij27/GJG5Vv2lsOQ2Q94zjc0EOwcc/HVAWkXV/oEataLAQIPQMZckM8cFNxtaIc08VzQkyyegb0welH9Eop043xYjqfiunaXmiXZqukDZhui1PyDbvW5D8GiJxrb3bUZy5l1SYDGRHSuUl3cAUgpuO7hjN0fV1CznqxW2s1A7w= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711039101; c=relaxed/simple; bh=dLP/xEKvAlFy0CEGgcN9QUf+tNZYc143hgSrqnBpNn8=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=XG92xhZ2lPFrUSi8ccVhCeOAX2yPRcYdih9o+VqbElVjaKT7Hu2LOnzyLMmLhY678jj3abD/YJiHlAsg/2XZl78xDTKtzzwKuHwEJRS/suSx/80iGSW4k+yjJqiaFSx+/UyH2YVbJyCgyU2dlf92yM/g+H9mp83mV/9nz7ftJgc= 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=drOoDhgj; arc=none smtp.client-ip=209.85.219.201 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 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="drOoDhgj" Received: by mail-yb1-f201.google.com with SMTP id 3f1490d57ef6-dccc49ef73eso1590608276.2 for ; Thu, 21 Mar 2024 09:38:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1711039097; x=1711643897; 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=XaC6gpRUGM+qkcKqV2c0VBwhZNh1AuaCpOBKo907lO0=; b=drOoDhgjvFnVXBEZpJ/03O6mvbFcUBd1qWIMYHrNYMiMNLtpsb3SgquUQ5BAt88tek v0R+UPjT7SJ071wL7FgdPBFRHu+QgIA7zC3CmZN8BZl/TO23d8h7Wb+sICJnJQIJ0y7I m/1+bZJ+hHTfHonk+GDZo4j5J1pX3Q9kmZQtd1el31dIG3ICMtgyxYLv91gwJQIUarD0 aPAORrE5K21K5QO6BOSnAjrFv2EJL0i6sg/nOi6uptNsz8S3+wCOIrAisJn4DCRRs+2d Mzu6FUR3x6eZAnpwBEH402H5smA2SIpOaLpLGP82Lq2Hnti7ocu1ZnXq4zoISST13jOA siAg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1711039097; x=1711643897; 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=XaC6gpRUGM+qkcKqV2c0VBwhZNh1AuaCpOBKo907lO0=; b=LsnEgJBGlIc32CLP9ouDCWfet7AhBCStGVCLGv1WnGVsez3AYmDYoLcLNswhmmeUc2 FIyFXK9Ks2POL4doXHMLYbg9kfGP8cVsqmaBWFVa4yZ8QAeRb+1Gsqw5Dfbusan7J+Wi wO/mhiUtLcronXO/xmsG5RBWgiAY5w29o3TiOeFr9KzrIXkWtgoAfYeexicBeEmC/ZuS QsApmQWV/BTUwk7Bquk4DmiDvhXAG6vwY2yELuxVnkuqZ0kPYtJK8/kKq283PP6e664H CXnQ5uQ+JWaHXClaa/gaOoeUIk5pT2Ycm55nWXwq4+pTiGMQShJ8vU546CbUJVNuVdsq 2DnQ== X-Forwarded-Encrypted: i=1; AJvYcCX+wEC2aip4oTKBZeX7Jdo8KBap4fiK5haEUA5qT1YSObg07VMwnJO3Xe+AZFghJFqpKVA9Eu3ctxbWz/D+mE1ie+zDx0OkK7R3488tPA== X-Gm-Message-State: AOJu0YxIMJlSiZ+3+vu6IxU+vU5ubpNQ5AuK+MALAN+wOCRu1L3YYL62 p9hzFxt1rNEMNCtYBskOJQZmtNdYACLy6s01xwNfWIeqiLg9E2srKA4aO3dHPEAmdAeN2idN+mS lag== X-Google-Smtp-Source: AGHT+IFJZSHudCuIglXlIopkXnNLMb9lH1yhVoF6leBD0jJ9ERT3JCkQE6hJAbySj4mxb56Bo4c8jp1OowQ= X-Received: from surenb-desktop.mtv.corp.google.com ([2620:15c:211:201:a489:6433:be5d:e639]) (user=surenb job=sendgmr) by 2002:a05:6902:1502:b0:dc6:e823:9edb with SMTP id q2-20020a056902150200b00dc6e8239edbmr1143317ybu.12.1711039097346; Thu, 21 Mar 2024 09:38:17 -0700 (PDT) Date: Thu, 21 Mar 2024 09:36:53 -0700 In-Reply-To: <20240321163705.3067592-1-surenb@google.com> Precedence: bulk X-Mailing-List: linux-modules@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240321163705.3067592-1-surenb@google.com> X-Mailer: git-send-email 2.44.0.291.gc1ea87d7ee-goog Message-ID: <20240321163705.3067592-32-surenb@google.com> Subject: [PATCH v6 31/37] rhashtable: Plumb through alloc tag 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, jhubbard@nvidia.com, 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, songmuchun@bytedance.com, jbaron@akamai.com, aliceryhl@google.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 From: Kent Overstreet This gives better memory allocation profiling results; rhashtable allocations will be accounted to the code that initialized the rhashtable. Signed-off-by: Kent Overstreet Signed-off-by: Suren Baghdasaryan --- include/linux/alloc_tag.h | 3 +++ include/linux/rhashtable-types.h | 11 +++++++++-- lib/rhashtable.c | 28 +++++++++++++++++----------- 3 files changed, 29 insertions(+), 13 deletions(-) diff --git a/include/linux/alloc_tag.h b/include/linux/alloc_tag.h index bc9b1b99a55b..cf69e037f645 100644 --- a/include/linux/alloc_tag.h +++ b/include/linux/alloc_tag.h @@ -141,6 +141,8 @@ static inline void alloc_tag_sub(union codetag_ref *ref, size_t bytes) ref->ct = NULL; } +#define alloc_tag_record(p) ((p) = current->alloc_tag) + #else /* CONFIG_MEM_ALLOC_PROFILING */ #define DEFINE_ALLOC_TAG(_alloc_tag) @@ -148,6 +150,7 @@ static inline bool mem_alloc_profiling_enabled(void) { return false; } static inline void alloc_tag_add(union codetag_ref *ref, struct alloc_tag *tag, size_t bytes) {} static inline void alloc_tag_sub(union codetag_ref *ref, size_t bytes) {} +#define alloc_tag_record(p) do {} while (0) #endif /* CONFIG_MEM_ALLOC_PROFILING */ diff --git a/include/linux/rhashtable-types.h b/include/linux/rhashtable-types.h index b6f3797277ff..015c8298bebc 100644 --- a/include/linux/rhashtable-types.h +++ b/include/linux/rhashtable-types.h @@ -9,6 +9,7 @@ #ifndef _LINUX_RHASHTABLE_TYPES_H #define _LINUX_RHASHTABLE_TYPES_H +#include #include #include #include @@ -88,6 +89,9 @@ struct rhashtable { struct mutex mutex; spinlock_t lock; atomic_t nelems; +#ifdef CONFIG_MEM_ALLOC_PROFILING + struct alloc_tag *alloc_tag; +#endif }; /** @@ -127,9 +131,12 @@ struct rhashtable_iter { bool end_of_table; }; -int rhashtable_init(struct rhashtable *ht, +int rhashtable_init_noprof(struct rhashtable *ht, const struct rhashtable_params *params); -int rhltable_init(struct rhltable *hlt, +#define rhashtable_init(...) alloc_hooks(rhashtable_init_noprof(__VA_ARGS__)) + +int rhltable_init_noprof(struct rhltable *hlt, const struct rhashtable_params *params); +#define rhltable_init(...) alloc_hooks(rhltable_init_noprof(__VA_ARGS__)) #endif /* _LINUX_RHASHTABLE_TYPES_H */ diff --git a/lib/rhashtable.c b/lib/rhashtable.c index 6ae2ba8e06a2..35d841cf2b43 100644 --- a/lib/rhashtable.c +++ b/lib/rhashtable.c @@ -130,7 +130,8 @@ static union nested_table *nested_table_alloc(struct rhashtable *ht, if (ntbl) return ntbl; - ntbl = kzalloc(PAGE_SIZE, GFP_ATOMIC); + ntbl = alloc_hooks_tag(ht->alloc_tag, + kmalloc_noprof(PAGE_SIZE, GFP_ATOMIC|__GFP_ZERO)); if (ntbl && leaf) { for (i = 0; i < PAGE_SIZE / sizeof(ntbl[0]); i++) @@ -157,7 +158,8 @@ static struct bucket_table *nested_bucket_table_alloc(struct rhashtable *ht, size = sizeof(*tbl) + sizeof(tbl->buckets[0]); - tbl = kzalloc(size, gfp); + tbl = alloc_hooks_tag(ht->alloc_tag, + kmalloc_noprof(size, gfp|__GFP_ZERO)); if (!tbl) return NULL; @@ -181,7 +183,9 @@ static struct bucket_table *bucket_table_alloc(struct rhashtable *ht, int i; static struct lock_class_key __key; - tbl = kvzalloc(struct_size(tbl, buckets, nbuckets), gfp); + tbl = alloc_hooks_tag(ht->alloc_tag, + kvmalloc_node_noprof(struct_size(tbl, buckets, nbuckets), + gfp|__GFP_ZERO, NUMA_NO_NODE)); size = nbuckets; @@ -975,7 +979,7 @@ static u32 rhashtable_jhash2(const void *key, u32 length, u32 seed) } /** - * rhashtable_init - initialize a new hash table + * rhashtable_init_noprof - initialize a new hash table * @ht: hash table to be initialized * @params: configuration parameters * @@ -1016,7 +1020,7 @@ static u32 rhashtable_jhash2(const void *key, u32 length, u32 seed) * .obj_hashfn = my_hash_fn, * }; */ -int rhashtable_init(struct rhashtable *ht, +int rhashtable_init_noprof(struct rhashtable *ht, const struct rhashtable_params *params) { struct bucket_table *tbl; @@ -1031,6 +1035,8 @@ int rhashtable_init(struct rhashtable *ht, spin_lock_init(&ht->lock); memcpy(&ht->p, params, sizeof(*params)); + alloc_tag_record(ht->alloc_tag); + if (params->min_size) ht->p.min_size = roundup_pow_of_two(params->min_size); @@ -1076,26 +1082,26 @@ int rhashtable_init(struct rhashtable *ht, return 0; } -EXPORT_SYMBOL_GPL(rhashtable_init); +EXPORT_SYMBOL_GPL(rhashtable_init_noprof); /** - * rhltable_init - initialize a new hash list table + * rhltable_init_noprof - initialize a new hash list table * @hlt: hash list table to be initialized * @params: configuration parameters * * Initializes a new hash list table. * - * See documentation for rhashtable_init. + * See documentation for rhashtable_init_noprof. */ -int rhltable_init(struct rhltable *hlt, const struct rhashtable_params *params) +int rhltable_init_noprof(struct rhltable *hlt, const struct rhashtable_params *params) { int err; - err = rhashtable_init(&hlt->ht, params); + err = rhashtable_init_noprof(&hlt->ht, params); hlt->ht.rhlist = true; return err; } -EXPORT_SYMBOL_GPL(rhltable_init); +EXPORT_SYMBOL_GPL(rhltable_init_noprof); static void rhashtable_free_one(struct rhashtable *ht, struct rhash_head *obj, void (*free_fn)(void *ptr, void *arg),