Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751616AbdHQFaw (ORCPT ); Thu, 17 Aug 2017 01:30:52 -0400 Received: from LGEAMRELO13.lge.com ([156.147.23.53]:52681 "EHLO lgeamrelo13.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751360AbdHQFav (ORCPT ); Thu, 17 Aug 2017 01:30:51 -0400 X-Original-SENDERIP: 156.147.1.126 X-Original-MAILFROM: minchan@kernel.org X-Original-SENDERIP: 10.177.220.163 X-Original-MAILFROM: minchan@kernel.org Date: Thu, 17 Aug 2017 14:30:48 +0900 From: Minchan Kim To: Hui Zhu Cc: ngupta@vflare.org, sergey.senozhatsky.work@gmail.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, teawater@gmail.com Subject: Re: [PATCH] zsmalloc: zs_page_isolate: skip unnecessary loops but not return false if zspage is not inuse Message-ID: <20170817053048.GA31165@blaptop> References: <1502869794-29263-1-git-send-email-zhuhui@xiaomi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1502869794-29263-1-git-send-email-zhuhui@xiaomi.com> User-Agent: Mutt/1.8.3 (2017-05-23) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 721 Lines: 18 On Wed, Aug 16, 2017 at 03:49:54PM +0800, Hui Zhu wrote: > Like [1], zs_page_isolate meet the same problem if zspage is not inuse. > > After [2], zs_page_migrate can support empty zspage now. > > Make this patch to let zs_page_isolate skip unnecessary loops but not > return false if zspage is not inuse. > > [1] zsmalloc-zs_page_migrate-skip-unnecessary-loops-but-not-return-ebusy-if-zspage-is-not-inuse-fix.patch > [2] zsmalloc-zs_page_migrate-schedule-free_work-if-zspage-is-ZS_EMPTY.patch > > Signed-off-by: Hui Zhu Acked-by: Minchan Kim Andrew, Could you fold this to zsmalloc-zs_page_migrate-skip-unnecessary-loops-but-not-return-ebusy-if-zspage-is-not-inuse? Thanks!