Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759555Ab3EOQOP (ORCPT ); Wed, 15 May 2013 12:14:15 -0400 Received: from mx1.redhat.com ([209.132.183.28]:30727 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759519Ab3EOQOO (ORCPT ); Wed, 15 May 2013 12:14:14 -0400 Date: Wed, 15 May 2013 18:10:45 +0200 From: Oleg Nesterov To: Kent Overstreet Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-aio@kvack.org, akpm@linux-foundation.org, Tejun Heo , Christoph Lameter , Ingo Molnar Subject: Re: [PATCH 17/21] Percpu tag allocator Message-ID: <20130515161045.GA27213@redhat.com> References: <1368494338-7069-1-git-send-email-koverstreet@google.com> <1368494338-7069-18-git-send-email-koverstreet@google.com> <20130514134859.GA17587@redhat.com> <20130515092543.GE16164@moria.home.lan> <20130515154121.GA21932@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130515154121.GA21932@redhat.com> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 485 Lines: 15 Damn, sorry for extra noise, I forgot to ask this twice... And what about cpu_down()? Perhaps tag_pool should do move_tags() on CPU_DEAD? Or at least it should be documented that the dead cpu can lose up to 2 * watermark entries. Oleg. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/