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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no 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 86C06C433E0 for ; Thu, 14 Jan 2021 17:18:59 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 14E7323B1A for ; Thu, 14 Jan 2021 17:18:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 14E7323B1A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linutronix.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 7C6E48D00F3; Thu, 14 Jan 2021 12:18:58 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 7769E8D00F0; Thu, 14 Jan 2021 12:18:58 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 68C0B8D00F3; Thu, 14 Jan 2021 12:18:58 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0134.hostedemail.com [216.40.44.134]) by kanga.kvack.org (Postfix) with ESMTP id 516DE8D00F0 for ; Thu, 14 Jan 2021 12:18:58 -0500 (EST) Received: from smtpin06.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 05613181AEF39 for ; Thu, 14 Jan 2021 17:18:58 +0000 (UTC) X-FDA: 77705040756.06.size52_451337627528 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin06.hostedemail.com (Postfix) with ESMTP id CF54F1004E408 for ; Thu, 14 Jan 2021 17:18:57 +0000 (UTC) X-HE-Tag: size52_451337627528 X-Filterd-Recvd-Size: 3400 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by imf16.hostedemail.com (Postfix) with ESMTP for ; Thu, 14 Jan 2021 17:18:57 +0000 (UTC) Date: Thu, 14 Jan 2021 18:18:55 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1610644735; 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=jI5rqRnH3DCVyrdpP47Z8eWUhdxkk1qxR9tqMltfpqo=; b=HrnGJ0ppZoIgnbL5tUjMaeKjd3R7QOpSesNLWzhETK5vNb4IbQwexAENRXrEGG9xQtjluD KYZuguLbWwc3dew6EIVyUZPnWTCng+Bkmu4SZygmK6wzagLQBnYmzYsyspO0zyLoOpDaem BeX0adNqYSPVWIO0vZAdOHCatFDHZZ8PRXBmvStHtzNiJMSmJMdbJ3wuA/PTg1rRahOYqO QXfmZrcmJ/fsk1WRUo8ghsKTMHwptqS4nkrYzbNxd5iRTUUB3cnHccjWeJo1UeZ8ygZIFd nKVTDurwWY8QJL9NYPpWDJSPJkzyLkOW+zS7PRP6uxu0TlPoxORaRPMsTHmTLA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1610644735; 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=jI5rqRnH3DCVyrdpP47Z8eWUhdxkk1qxR9tqMltfpqo=; b=RzpQVmEx4C6cdB7OhXzZogS28Iox4XqOwFruHtuajjmy48uqB1yELmiYCKIoZD0nHNeVTC m1fqA/dizTA3amDQ== From: Sebastian Andrzej Siewior To: Vitaly Wool Cc: "tiantao (H)" , "Song Bao Hua (Barry Song)" , Shakeel Butt , Minchan Kim , Mike Galbraith , LKML , linux-mm , NitinGupta , Sergey Senozhatsky , Andrew Morton , "tiantao (H)" Subject: Re: [PATCH] zsmalloc: do not use bit_spin_lock Message-ID: <20210114171855.lzzxwpucpkjyhrch@linutronix.de> References: <08cbef1e43634c4099709be8e99e5d27@hisilicon.com> <1d0d4a3576e74d128d7849342a7e9faf@hisilicon.com> <4e686c73-b453-e714-021a-1fcd0a565984@huawei.com> <20210114161850.zjcfhsgtmojjjqba@linutronix.de> <20210114165645.czqpsk3lacmiyiik@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 2021-01-14 18:15:08 [+0100], Vitaly Wool wrote: > > Basically, yes. Minchan was very clear that he didn't want to remove > that inter-function locking, so be it. > I wouldn't really advise to use zsmalloc with zswap because zsmalloc > has no support for reclaim, nevertheless I wouldn't like this > configuration to stop working for those who are already using it. > > Would you or Mike be up for testing Tian Taos's patchset? I will try to reproduce Mike's original report and the fix early next week. > Best regards, > Vitaly Sebastian