From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 0F02C2C1A2 for ; Tue, 5 Aug 2025 11:34:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754393697; cv=none; b=AIJ5EyN5u/IAz+tfOGCrgPUryNh8/S/G69O44on5MAZI5YFEz6+RgzCHQKFa8B/kBBHXwcu4uTNzhplhcMH7kK74SQVUkp0lo9L7bvaCfq5fYNMoCSMBkZifJustlWEEDqlb0bQqLU+VF64CyagFt8WN752JJC8iCJLted0sbcg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754393697; c=relaxed/simple; bh=bMlKwWt4rFkPo2TtS4FbhcyCycJUaNwDVvqGkt0v4hE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=cPy9OiJR31GIxcBjfl+JiIBrpMP88+5RGIo2ed80oAI3dAiY/ObLfhe0l3FJYvxKU6Sw2Iccf0AYFCceFqkoxJ/hVaD8GpQJU4l8I5bdKgjXu/2nn3KvE1/oygTNvgahJivvMTAhC1b93JZdsTNpNBSrIHqzv4jzl9cx9N7Yuos= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=ZwRF0kYv; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="ZwRF0kYv" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1754393695; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=bMlKwWt4rFkPo2TtS4FbhcyCycJUaNwDVvqGkt0v4hE=; b=ZwRF0kYveS4y4tej4L4ofpn71JFAWGquzKYmADQwDQGaQPvRbNdGkXe25pPmX0HTbQxZFW kArb5FOQ4qhC0a2biuNLsCltMlf9KG41sfSOEkNse4ZGkfrdYoN4SWvZXhgUUivVIgQOjv guD/K0y7B8bjfFCdKAnzPVp4+u041z8= Received: from mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-274-qsO-pNuXPgqKnMq2961A7g-1; Tue, 05 Aug 2025 07:34:52 -0400 X-MC-Unique: qsO-pNuXPgqKnMq2961A7g-1 X-Mimecast-MFC-AGG-ID: qsO-pNuXPgqKnMq2961A7g_1754393690 Received: from mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.93]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 7894C18001C6; Tue, 5 Aug 2025 11:34:43 +0000 (UTC) Received: from dhcp-27-174.brq.redhat.com (unknown [10.44.34.134]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with SMTP id DD1591800298; Tue, 5 Aug 2025 11:34:36 +0000 (UTC) Received: by dhcp-27-174.brq.redhat.com (nbSMTP-1.00) for uid 1000 oleg@redhat.com; Tue, 5 Aug 2025 13:33:32 +0200 (CEST) Date: Tue, 5 Aug 2025 13:33:24 +0200 From: Oleg Nesterov To: Qianfeng Rong Cc: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , "Liang, Kan" , Masami Hiramatsu , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, willy@infradead.org Subject: Re: [PATCH] uprobes: Remove redundant __GFP_NOWARN Message-ID: <20250805113301.GA27131@redhat.com> References: <20250805025000.346647-1-rongqianfeng@vivo.com> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250805025000.346647-1-rongqianfeng@vivo.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 On 08/05, Qianfeng Rong wrote: > > Commit 16f5dfbc851b ("gfp: include __GFP_NOWARN in GFP_NOWAIT") > made GFP_NOWAIT implicitly include __GFP_NOWARN. > > Therefore, explicit __GFP_NOWARN combined with GFP_NOWAIT > (e.g., `GFP_NOWAIT | __GFP_NOWARN`) is now redundant. Let's clean > up these redundant flags across subsystems. > > No functional changes. > > Signed-off-by: Qianfeng Rong Acked-by: Oleg Nesterov