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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BBC26C47088 for ; Thu, 1 Dec 2022 20:26:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230362AbiLAU0k (ORCPT ); Thu, 1 Dec 2022 15:26:40 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54174 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230209AbiLAU0i (ORCPT ); Thu, 1 Dec 2022 15:26:38 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 86A93BFCEF for ; Thu, 1 Dec 2022 12:26:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=LKGrEeIq6wXlpKjGZw/1KiVMGn2zrCU8BdExFG+pM7o=; b=ixFSF6hVMMo0C7tCMl26+N0aBo LKhP0lEYoxwAsGhVJlIFgHF9+DFwKOB1QzMw2ZWyGwOJHqhRW2ylU/VdnXGRM75K/RnvOR6TrBZEC JmrjzTqGDY5rEYTTsgqAqwKbqz9GKyEElx0Hd0ORzw1IuVWUm4aCSntT6NBpGJOs8y9XQXpGu/tIj 7ddNX8B4Ui3WbWSG4O1MYlDRgIf6AEO2dFIFVNczGQQCdIf2/nd842rd1iPQC6ss5aqoreRTWPEaJ RHKLj+eplDFumE6o31V3jWTJGvuut3cZP39XqJh1tIDqlk077ulMqqKzgAF5WOEOQWs8tlaDIAqa1 3IIAWuzQ==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1p0q8b-00GuDr-E5; Thu, 01 Dec 2022 20:26:29 +0000 Date: Thu, 1 Dec 2022 20:26:29 +0000 From: Matthew Wilcox To: ye.xingchen@zte.com.cn Cc: akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] mm/huge_memory: add TRANSPARENT_HUGEPAGE_NEVER for THP Message-ID: References: <202211301651462590168@zte.com.cn> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202211301651462590168@zte.com.cn> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Nov 30, 2022 at 04:51:46PM +0800, ye.xingchen@zte.com.cn wrote: > From: ye xingchen > > Sometimes we may need the /sys/kernel/mm/transparent_hugepage/enabled to > default as [never] at the first time. What is going wrong with THP enabled that you need to disable it?