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 56918C19F2A for ; Fri, 29 Jul 2022 15:23:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236263AbiG2PX0 (ORCPT ); Fri, 29 Jul 2022 11:23:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52332 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236096AbiG2PXY (ORCPT ); Fri, 29 Jul 2022 11:23:24 -0400 Received: from mail-pl1-x636.google.com (mail-pl1-x636.google.com [IPv6:2607:f8b0:4864:20::636]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5B4A26546; Fri, 29 Jul 2022 08:23:23 -0700 (PDT) Received: by mail-pl1-x636.google.com with SMTP id w10so4936154plq.0; Fri, 29 Jul 2022 08:23:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=N3x5RniCtfbU9X4ilWg0wCJ6uR/I379+KNtOUGQRQWk=; b=MR6BnmL0+/AkdUIl6s2D0Mxj44Qh3mJnK0QhajxPtZyXDzIXOP8IgodIkHLOh5vW6k SuFnhXmgAn+NpmxydQlF2a5pCWk8FIX8YEU6Y+G/fLC1y9eUrXvK4FpC11fyEag0y9yj 4CTFiOMwH/ZcDg0B7spmm3TY3jM0WQG/2GJQVfu5kGbTfSDayJ7G7S62l0lrpHxoAAeL v7AujGGF+n4rnR258DMNk7ITHeA9SxF2rVm6UETeCFHXKFIkGunItcwab3EE5t7t1UyL 93YK/uSh8T5UUYpYYy3f8mynhtlzyPgDz9njO6jiby40lR2jT9ZWCnFNBVw1ZBokfAQC eJNA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=N3x5RniCtfbU9X4ilWg0wCJ6uR/I379+KNtOUGQRQWk=; b=OeBJZcqC+Ur5ktFMIwleYOLCYd61hacyIEQWGjrBZkJ8G8rPVMtQJOTa8A3wtnU+Vi zWH/n2+L/8GW+K9uXl3arR3Ga7OA+s422HzfKWUy9nbL6xAvlsCUp9/f2iJaDu2GDYvB cUvGCRgosWzJf9+f56Fsdyx2+FRiPAgwJ7XYHxmk16uMWB2ZDjdnGyrOBixna+qpS6Uy 2Q+M7Fz0uEUqcakCuEXCaSEDvaDWJfCNcb+Lf5NhEcNmTzSKF985R9JOuoB8sw0alOI3 9+iGHG7TrIzVFDO2nEHSw6deNsS1Qq2D8HamOGyW2H5ILhikNrY3gkgTY9LuiDV3eJEs rW9g== X-Gm-Message-State: ACgBeo0MpCU93mNrCaILNhVE5DG97AjxYOiXOkAy8iEPfUZGHcQ7VYxf 4J+kvuNcS7rUezMwCXdI7GE= X-Google-Smtp-Source: AA6agR6PxNVeqQc1c9TRKFUa0+QWSa9MU7oMGsj7LktTOarVwJpRJ/ZDTOGpZctMMv5u6/+XFxhhZQ== X-Received: by 2002:a17:90b:3555:b0:1f3:259b:b8b3 with SMTP id lt21-20020a17090b355500b001f3259bb8b3mr4635942pjb.91.1659108202921; Fri, 29 Jul 2022 08:23:22 -0700 (PDT) Received: from vultr.guest ([2001:19f0:6001:2912:5400:4ff:fe16:4344]) by smtp.gmail.com with ESMTPSA id b12-20020a1709027e0c00b0016d3a354cffsm3714219plm.89.2022.07.29.08.23.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 29 Jul 2022 08:23:21 -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: [RFC PATCH bpf-next 01/15] bpf: Remove unneeded memset in queue_stack_map creation Date: Fri, 29 Jul 2022 15:23:02 +0000 Message-Id: <20220729152316.58205-2-laoar.shao@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20220729152316.58205-1-laoar.shao@gmail.com> References: <20220729152316.58205-1-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 a1c0794ae49d..8a5e060de63b 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; -- 2.17.1