From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1955DC25B0C for ; Wed, 10 Aug 2022 15:18:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233046AbiHJPSr (ORCPT ); Wed, 10 Aug 2022 11:18:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33244 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229867AbiHJPSq (ORCPT ); Wed, 10 Aug 2022 11:18:46 -0400 Received: from mail-pf1-x435.google.com (mail-pf1-x435.google.com [IPv6:2607:f8b0:4864:20::435]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 36A0E7820B; Wed, 10 Aug 2022 08:18:46 -0700 (PDT) Received: by mail-pf1-x435.google.com with SMTP id u133so13972593pfc.10; Wed, 10 Aug 2022 08:18:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc; bh=iWaAjku+9DHBSIX7N6Ue4B+MVNq84IC+6QjMUqI3TB0=; b=CPgLyVnidMMk4GxlhvJN9csE3zFaEsw0RkDcky9edtzCViXQGvkkolE7C4TauVH1QK 2nwbPpGvXiEawLGVclFMmxHrdzGXGedWIq7VVtZ5LJZV4uDTybEQXg2lZo1vIrf119fs 5a+PGRzH49LiiCC6cxeXW2R8+oPDi4Yqx67nioX52IQnf6F7a7PqSh3xeeN3GOKYuAGv UoZusZOzrP/kcTKXc+27w4CadHPevkiaH6PG5MPg4w589WghL5lDmrgT3NjzroR+Eo8x gORQJLAFVP5SqSrnPdA7oiaRP1IG1vN1c0YUxc1BT1Ff8ORvSMv7a3Vlh0p57unUFgrA YLPw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc; bh=iWaAjku+9DHBSIX7N6Ue4B+MVNq84IC+6QjMUqI3TB0=; b=2TzZpmZNeKdG26OHvn2EdYi/SmlscMqQaK/nA/BC98kErpg+aM7p9vSsYb5ZEOToxS KWq1GB5H+1ryAdliVECFwyP9OC1Eta8CSXiaNU/aLmPatQZjWOml70Qa1hnO+biu5ZPM 7FuA6KA//rRvrA1FKk8RcwTHtb3v+2KShnbB4GVVADOmBistDI8oV1Z4FfJehhMiyqHD NlFYm7XbyXZ/84QbkpIo4tPlWCNgWPC6yxVEVzxjrzG+LJdLLqniM/0UudTNFOvR7Gon LSbVGVStXkqYc7HHtYTJzfs0GFusC888b5+GzAy3jBX4KV0tATZH3g6fGZeX9Z/KuR5/ GK4g== X-Gm-Message-State: ACgBeo1ikQ1QelnHbKJT/f3VTsoDIiHl1Ct0FmZrumgVzv4gr9GH19Q/ qOAjARDv65UNcg4FXvd9JAo= X-Google-Smtp-Source: AA6agR7sx3QNeFXPD4mnbqj/uQJmqwZMeBLMKJlcJXBo6ebE+MWM5vHtGHaBxs5FWyjJha+MVy6bOg== X-Received: by 2002:a63:494a:0:b0:41c:f29e:2a2e with SMTP id y10-20020a63494a000000b0041cf29e2a2emr22391660pgk.477.1660144725756; Wed, 10 Aug 2022 08:18:45 -0700 (PDT) Received: from vultr.guest ([2001:19f0:6001:5c3e:5400:4ff:fe19:c3bc]) by smtp.gmail.com with ESMTPSA id 85-20020a621558000000b0052b6ed5ca40sm2071935pfv.192.2022.08.10.08.18.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 Aug 2022 08:18:44 -0700 (PDT) From: Yafang Shao To: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, kafai@fb.com, songliubraving@fb.com, yhs@fb.com, john.fastabend@gmail.com, kpsingh@kernel.org, sdf@google.com, haoluo@google.com, jolsa@kernel.org, hannes@cmpxchg.org, mhocko@kernel.org, roman.gushchin@linux.dev, shakeelb@google.com, songmuchun@bytedance.com, akpm@linux-foundation.org Cc: netdev@vger.kernel.org, bpf@vger.kernel.org, linux-mm@kvack.org, Yafang Shao Subject: [PATCH bpf-next 01/15] bpf: Remove unneeded memset in queue_stack_map creation Date: Wed, 10 Aug 2022 15:18:26 +0000 Message-Id: <20220810151840.16394-2-laoar.shao@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20220810151840.16394-1-laoar.shao@gmail.com> References: <20220810151840.16394-1-laoar.shao@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org __GFP_ZERO will clear the memory, so we don't need to memset it. Signed-off-by: Yafang Shao --- kernel/bpf/queue_stack_maps.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/kernel/bpf/queue_stack_maps.c b/kernel/bpf/queue_stack_maps.c index a1c0794..8a5e060 100644 --- a/kernel/bpf/queue_stack_maps.c +++ b/kernel/bpf/queue_stack_maps.c @@ -78,8 +78,6 @@ static struct bpf_map *queue_stack_map_alloc(union bpf_attr *attr) if (!qs) return ERR_PTR(-ENOMEM); - memset(qs, 0, sizeof(*qs)); - bpf_map_init_from_attr(&qs->map, attr); qs->size = size; -- 1.8.3.1