From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S1755115AbcI0NeS (ORCPT <rfc822;w@1wt.eu>);
        Tue, 27 Sep 2016 09:34:18 -0400
Received: from mail-pa0-f65.google.com ([209.85.220.65]:33379 "EHLO
        mail-pa0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1752374AbcI0NeI (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Tue, 27 Sep 2016 09:34:08 -0400
Message-ID: <1474983244.28155.48.camel@edumazet-glaptop3.roam.corp.google.com>
Subject: Re: [PATCH v2] fs/select: add vmalloc fallback for select(2)
From: Eric Dumazet <eric.dumazet@gmail.com>
To: Vlastimil Babka <vbabka@suse.cz>
Cc: Andrew Morton <akpm@linux-foundation.org>,
        Alexander Viro <viro@zeniv.linux.org.uk>,
        linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-mm@kvack.org, Michal Hocko <mhocko@kernel.org>,
        netdev@vger.kernel.org
Date: Tue, 27 Sep 2016 06:34:04 -0700
In-Reply-To: <6e62a278-4ac3-a866-51c6-e32511406aba@suse.cz>
References: <20160922164359.9035-1-vbabka@suse.cz>
         <20160926170105.517f74cd67ecdd5ef73e1865@linux-foundation.org>
         <1474940324.28155.44.camel@edumazet-glaptop3.roam.corp.google.com>
         <6e62a278-4ac3-a866-51c6-e32511406aba@suse.cz>
Content-Type: text/plain; charset="UTF-8"
X-Mailer: Evolution 3.10.4-0ubuntu2 
Mime-Version: 1.0
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Tue, 2016-09-27 at 10:13 +0200, Vlastimil Babka wrote:

> I doubt anyone runs that in production, especially if performance is of concern.
> 

I doubt anyone serious runs select() on a large fd set in production.

Last time I used it was in last century.