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 25F5B374A1B for ; Tue, 16 Jun 2026 13:10:18 +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=1781615420; cv=none; b=eG7SCHo/6mjQD9FQxEdKsgZmf+vg7r2OSD3sjtdmly2WCOtyhmZnz53Agb9AIpbN8Js/1gyZF/pAreAvWN53AjxfuvsvKYg4s09tMd7IMt/2aSr3L5mtID61mFLLVzj+1Kmz7+Z7bEo65+iuDJLcPUAe6+vgqAmJpE/mxMJyhI4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781615420; c=relaxed/simple; bh=qK4T7fdzf+4jS5Qz9HQ8ZJ3mxvv+i3xvL3Ify4/NlU0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=erVuoLqIubN4M83IDUZo99NFxx7tPEe4DYUqAGuquYNQiFewQ0nu6+JTeDxmZmBwFg2LuHZz/ugXyJ3lu2dVfNJB2PKltFD6rHKZM3eqhMI6DXZMW8VW4wZTlDZXVBR4GSL5CE6xiUjnUwr/d7Wixj2g4i/2MVxb1ICq5qaoVeg= 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=a6KeWTRQ; 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="a6KeWTRQ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1781615418; 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=qK4T7fdzf+4jS5Qz9HQ8ZJ3mxvv+i3xvL3Ify4/NlU0=; b=a6KeWTRQNmK8cc3RbdOFGLuVQlFfuNMRXZEReFBf4lhp3157JIX3ayjCbzjf6TWSzWq/Kk 3ODVMoS4WHJuRzC1SroQbBIay5OSlvwsmirakm/DBVO7GbVrBucMQ9gkOYs4rEwReVk63u Q+6hYZNHeyrd70Gh/yFEe67QChCUMZA= Received: from mx-prod-mc-08.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-444-x5XZe8uwOSelAPufU04BYg-1; Tue, 16 Jun 2026 09:10:15 -0400 X-MC-Unique: x5XZe8uwOSelAPufU04BYg-1 X-Mimecast-MFC-AGG-ID: x5XZe8uwOSelAPufU04BYg_1781615413 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (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-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 9DED81802678; Tue, 16 Jun 2026 13:10:12 +0000 (UTC) Received: from fedora (unknown [10.44.32.13]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with SMTP id 037541954105; Tue, 16 Jun 2026 13:10:07 +0000 (UTC) Received: by fedora (nbSMTP-1.00) for uid 1000 oleg@redhat.com; Tue, 16 Jun 2026 15:10:12 +0200 (CEST) Date: Tue, 16 Jun 2026 15:10:06 +0200 From: Oleg Nesterov To: Breno Leitao Cc: Catalin Marinas , Andrew Morton , lance.yang@linux.dev, Davidlohr Bueso , Qian Cai , sj@kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, kernel-team@meta.com Subject: Re: [PATCH v3 3/3] mm/kmemleak: stop the per-cpu and struct page scans early too Message-ID: References: <20260615-kmemleak-stack-resched-v3-0-acecd7d7fd92@debian.org> <20260615-kmemleak-stack-resched-v3-3-acecd7d7fd92@debian.org> Precedence: bulk X-Mailing-List: linux-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: X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 Hi Breno, On 06/16, Breno Leitao wrote: > > So I'd rather keep this series as-is and do that optimization as a follow-up > once it lands, instead of growing a patch that's already been reviewed. Are > you OK with that? OK, agreed. I don't think you need my ack, but FWIW Reviewed-by: Oleg Nesterov