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 X-Spam-Level: X-Spam-Status: No, score=-12.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A8D9DC433E0 for ; Mon, 15 Mar 2021 18:41:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 59FD564F26 for ; Mon, 15 Mar 2021 18:41:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231722AbhCOSk7 (ORCPT ); Mon, 15 Mar 2021 14:40:59 -0400 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:40015 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231637AbhCOSkq (ORCPT ); Mon, 15 Mar 2021 14:40:46 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1615833645; 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=UQyD3QKu3caWkZUuTQn9pF4ZV3ttdN3IwL6Y9T1OnFE=; b=bhDQaLdZbjosqcWZI06fzU5BWoiKof7Y+srU/UxN2hUx/knwuBIyQRZ6CtwDbaPwJvl41N rQX8M/EkWBPopr2P8ia1ngBkFiVRs3Vqx1A/cnSvfsmM4z+PD286jYeLNCuONpLhjn6tb1 oj+BfPWCwmTqXxXT/OX1EcG8RThGUGU= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-284-P1v6eay2Ot6NtFrA0tl0sw-1; Mon, 15 Mar 2021 14:40:43 -0400 X-MC-Unique: P1v6eay2Ot6NtFrA0tl0sw-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 07DB718D6A2A; Mon, 15 Mar 2021 18:40:42 +0000 (UTC) Received: from dhcp-27-174.brq.redhat.com (unknown [10.40.194.107]) by smtp.corp.redhat.com (Postfix) with SMTP id 7F36D5D751; Mon, 15 Mar 2021 18:40:40 +0000 (UTC) Received: by dhcp-27-174.brq.redhat.com (nbSMTP-1.00) for uid 1000 oleg@redhat.com; Mon, 15 Mar 2021 19:40:41 +0100 (CET) Date: Mon, 15 Mar 2021 19:40:39 +0100 From: Oleg Nesterov To: Jim Newsome Cc: Andrew Morton , "Eric W . Biederman" , Christian Brauner , linux-kernel@vger.kernel.org Subject: Re: [PATCH v7] do_wait: make PIDTYPE_PID case O(1) instead of O(n) Message-ID: <20210315184038.GC13620@redhat.com> References: <20210314231544.9379-1-jnewsome@torproject.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210314231544.9379-1-jnewsome@torproject.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 03/14, Jim Newsome wrote: > > Since v5: > * Switched back to explicitly looking up by tgid and then pid. OK, as I said I won't argue, still looks good to me. Reviewed-by: Oleg Nesterov