From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753553AbcETEvK (ORCPT ); Fri, 20 May 2016 00:51:10 -0400 Received: from merlin.infradead.org ([205.233.59.134]:39858 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751802AbcETEvI (ORCPT ); Fri, 20 May 2016 00:51:08 -0400 Date: Fri, 20 May 2016 06:50:56 +0200 From: Peter Zijlstra To: Darren Hart Cc: Thomas Gleixner , LKML , Sebastian Andrzej Siewior , Linus Torvalds , Darren Hart , Ingo Molnar , Michael Kerrisk , Davidlohr Bueso , Chris Mason , "Carlos O'Donell" , Torvald Riegel , Eric Dumazet Subject: Re: [patch V2 3/7] futex: Add op for hash preallocation Message-ID: <20160520045056.GZ3193@twins.programming.kicks-ass.net> References: <20160505204230.932454245@linutronix.de> <20160505204354.051976225@linutronix.de> <20160519122457.GB3192@twins.programming.kicks-ass.net> <20160519193819.GB1872@f23x64.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160519193819.GB1872@f23x64.localdomain> User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, May 19, 2016 at 12:38:19PM -0700, Darren Hart wrote: > On Thu, May 19, 2016 at 02:24:57PM +0200, Peter Zijlstra wrote: > > OK, so no on-line rehashing possible? > > It doesn't do it currently... did you see something that makes it impossible to > add? No, just tons of tricky.