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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 23643F588C2 for ; Mon, 20 Apr 2026 13:00:00 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 88A526B0005; Mon, 20 Apr 2026 08:59:59 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 83C0C6B0089; Mon, 20 Apr 2026 08:59:59 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 72A506B0098; Mon, 20 Apr 2026 08:59:59 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id 629336B0005 for ; Mon, 20 Apr 2026 08:59:59 -0400 (EDT) Received: from smtpin24.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id 10726BB874 for ; Mon, 20 Apr 2026 12:59:59 +0000 (UTC) X-FDA: 84678941718.24.DA9F918 Received: from out-173.mta0.migadu.com (out-173.mta0.migadu.com [91.218.175.173]) by imf07.hostedemail.com (Postfix) with ESMTP id 012B840010 for ; Mon, 20 Apr 2026 12:59:56 +0000 (UTC) Authentication-Results: imf07.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=MQoIeY4X; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf07.hostedemail.com: domain of usama.arif@linux.dev designates 91.218.175.173 as permitted sender) smtp.mailfrom=usama.arif@linux.dev ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1776689997; a=rsa-sha256; cv=none; b=O3XHp180ZQQLFfcColz46XxGl1Rg8mKuyR102Vc/K2EHLUXNYmnCY/3nusGfq96LbhDFtA DOkZgzOoQkZPZYH5n7KHZwPEmIye6uW8Ntf9Q2T657948/XLXzlsqxenRux0gjfvMkllzu eeRWGfZ0trJAu4TSNmF2NX15emHLh1E= ARC-Authentication-Results: i=1; imf07.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=MQoIeY4X; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf07.hostedemail.com: domain of usama.arif@linux.dev designates 91.218.175.173 as permitted sender) smtp.mailfrom=usama.arif@linux.dev ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1776689997; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=mOUWkybK3eiKfeEN3c1AmWJrSYfchS2TwUw3TqjAFDY=; b=QzfmnE4esStQunkVwZsrLMPACWCIV/dv+oXQ8a9Q86E4tcHKWhIbVtUsLGqKkjkis3UPDS J9nUrWEPzHEBhfU+7+oL544KS5J/r6QoznkXmPxhKaDW8BuuDNv8meA15ypiMQUP83IiP3 AduC20btLTdphwhQSzz20ZLUtw4JqYo= X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1776689994; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=mOUWkybK3eiKfeEN3c1AmWJrSYfchS2TwUw3TqjAFDY=; b=MQoIeY4X5Tdero87dcxHKdE+OYa7VsCpsSJjLcOM1TCiKHbDh2FyVtVy84CraYpnnMGluW ZfgNtlHxHkCKuP9jHjbWOg4ofUkXfWnsh0dP28SEBEzGOYxol1VVySbGKw1K914r6bLOAU OF1M4yVsHuKD6orXWNTNGxPdZWj6LnE= From: Usama Arif To: Nico Pache Cc: Usama Arif , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-trace-kernel@vger.kernel.org, akpm@linux-foundation.org, anshuman.khandual@arm.com, apopple@nvidia.com, baohua@kernel.org, baolin.wang@linux.alibaba.com, byungchul@sk.com, catalin.marinas@arm.com, cl@gentwo.org, corbet@lwn.net, dave.hansen@linux.intel.com, david@kernel.org, dev.jain@arm.com, gourry@gourry.net, hannes@cmpxchg.org, hughd@google.com, jack@suse.cz, jackmanb@google.com, jannh@google.com, jglisse@google.com, joshua.hahnjy@gmail.com, kas@kernel.org, lance.yang@linux.dev, Liam.Howlett@oracle.com, ljs@kernel.org, mathieu.desnoyers@efficios.com, matthew.brost@intel.com, mhiramat@kernel.org, mhocko@suse.com, peterx@redhat.com, pfalcato@suse.de, rakie.kim@sk.com, raquini@redhat.com, rdunlap@infradead.org, richard.weiyang@gmail.com, rientjes@google.com, rostedt@goodmis.org, rppt@kernel.org, ryan.roberts@arm.com, shivankg@amd.com, sunnanyong@huawei.com, surenb@google.com, thomas.hellstrom@linux.intel.com, tiwai@suse.de, usamaarif642@gmail.com, vbabka@suse.cz, vishal.moola@gmail.com, wangkefeng.wang@huawei.com, will@kernel.org, willy@infradead.org, yang@os.amperecomputing.com, ying.huang@linux.alibaba.com, ziy@nvidia.com, zokeefe@google.com Subject: Re: [PATCH 7.2 v16 01/13] mm/khugepaged: generalize hugepage_vma_revalidate for mTHP support Date: Mon, 20 Apr 2026 05:59:42 -0700 Message-ID: <20260420125943.3443828-1-usama.arif@linux.dev> In-Reply-To: <20260419185750.260784-2-npache@redhat.com> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-Rspamd-Queue-Id: 012B840010 X-Rspamd-Server: rspam12 X-Stat-Signature: p4r8jdtpeuq6jiguyz3ucsa7narctrqz X-Rspam-User: X-HE-Tag: 1776689996-121107 X-HE-Meta: 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 6okIJEKd GKYJC4/zrhW+aCjEFRU1u/xr3OtVZ40o7fCBZm2KSBFUlxtu1z1txsh8hn6Vu2YST3C4aUX3+xGc1NJMxAjHVD55Ho4BRWDMONXI8qhl1PQRpJ6Te+sttLC006CmirTo7ukssTHpOJWxYoqgmEAm1C6FoxjByQn/H+mPWjViqxyBeEt4nQO8PIugvOUvLx8DFKU1SGMq3pZGDjmWJN1zUUXlNTjWOtTe5bB+mWWu79wGWLVfjt3VeXG9BPwIsfCbQqJoFxt4OxreiAnfb9vzyAVCjo9GhHYBA84T66YfZE0uSvmYsbgYCh3mOn9G6LNFxvhRISpuCiPv9jAjbcMIvEbHPylCnuf2sw93bK8l9i2MoXKq3RF68J2t76kcP/QAGbKxz94yaNKC15x4sXDFmcRY+fmcUTvcoYw3rtEUYe2Zo89sTbZ5+mUUS4mTMU3r6Kq1CSg24Z4kdqxbVi+eKZo1Eksw+9OqGTEDsYvIgP55YR6w= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Sun, 19 Apr 2026 12:57:38 -0600 Nico Pache wrote: > For khugepaged to support different mTHP orders, we must generalize this > to check if the PMD is not shared by another VMA and that the order is > enabled. > > No functional change in this patch. Also correct a comment about the > functionality of the revalidation and fix a double space issues. > > Reviewed-by: Wei Yang > Reviewed-by: Lance Yang > Reviewed-by: Baolin Wang > Reviewed-by: Lorenzo Stoakes > Reviewed-by: Zi Yan > Acked-by: David Hildenbrand (Arm) > Co-developed-by: Dev Jain > Signed-off-by: Dev Jain > Signed-off-by: Nico Pache > --- > mm/khugepaged.c | 20 ++++++++++++-------- > 1 file changed, 12 insertions(+), 8 deletions(-) > Acked-by: Usama Arif