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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, 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 A359BC433DF for ; Fri, 19 Jun 2020 12:59:42 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 6958E20776 for ; Fri, 19 Jun 2020 12:59:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="IBx0qn11" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6958E20776 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 34D7A8D0089; Fri, 19 Jun 2020 08:59:41 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 2D2AD8D00A0; Fri, 19 Jun 2020 08:59:41 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id F30808D0089; Fri, 19 Jun 2020 08:59:40 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0195.hostedemail.com [216.40.44.195]) by kanga.kvack.org (Postfix) with ESMTP id D79A88D009E for ; Fri, 19 Jun 2020 08:59:40 -0400 (EDT) Received: from smtpin25.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 825D0181ACC80 for ; Fri, 19 Jun 2020 12:59:40 +0000 (UTC) X-FDA: 76945968120.25.horn16_5b0b1a026e19 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin25.hostedemail.com (Postfix) with ESMTP id ACDFC1804E3AF for ; Fri, 19 Jun 2020 12:59:39 +0000 (UTC) X-HE-Tag: horn16_5b0b1a026e19 X-Filterd-Recvd-Size: 3125 Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [207.211.31.120]) by imf26.hostedemail.com (Postfix) with ESMTP for ; Fri, 19 Jun 2020 12:59:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1592571577; 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; bh=hBBlOSUa1hmxJFitkEzGoexVk8IU/eydjJtgFiP7xqM=; b=IBx0qn11xSIGqjsl9+2ZWgsS2EHN2EiDZEwZFBSbW1lIEboWdrh4eUfC3oHJpEl38tEDjT w2Fml8D4BNS7BNnILtL+973rMhYbIpScOAWFM8nW37A7trXJWNnuunwpPmrg/AXOmlQWA/ u+kXYL+HPZLv6XA3JQLqmrUfAOluPJI= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-185-tkdsXn0gP0i7gwfFWZ4qZQ-1; Fri, 19 Jun 2020 08:59:33 -0400 X-MC-Unique: tkdsXn0gP0i7gwfFWZ4qZQ-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id B8000835B51; Fri, 19 Jun 2020 12:59:31 +0000 (UTC) Received: from t480s.redhat.com (ovpn-113-137.ams2.redhat.com [10.36.113.137]) by smtp.corp.redhat.com (Postfix) with ESMTP id D8A9F5D9CA; Fri, 19 Jun 2020 12:59:23 +0000 (UTC) From: David Hildenbrand To: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org, David Hildenbrand , Alexander Duyck , Andrew Morton , Dan Williams , Huang Ying , Johannes Weiner , Mel Gorman , Michal Hocko , Minchan Kim , Wei Yang Subject: [PATCH v2 0/3] mm/shuffle: fix and cleanups Date: Fri, 19 Jun 2020 14:59:19 +0200 Message-Id: <20200619125923.22602-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Rspamd-Queue-Id: ACDFC1804E3AF X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam03 Content-Transfer-Encoding: quoted-printable 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: Patch #1 is a fix for overlapping zones and offline sections. Patch #2 documents why we have to shuffle on memory hotplug, when onlining memory. Patch #3 removes dynamic reconfiguration which is currently dead code. v1 -> v2: - Replace "mm/memory_hotplug: don't shuffle complete zone when onlining memory" by "mm/memory_hotplug: document why shuffle_zone() is relevant" - "mm/shuffle: remove dynamic reconfiguration" -- Add details why autodetection is not implemented David Hildenbrand (3): mm/shuffle: don't move pages between zones and don't read garbage memmaps mm/memory_hotplug: document why shuffle_zone() is relevant mm/shuffle: remove dynamic reconfiguration mm/memory_hotplug.c | 8 ++++++++ mm/shuffle.c | 46 +++++++++++---------------------------------- mm/shuffle.h | 17 ----------------- 3 files changed, 19 insertions(+), 52 deletions(-) --=20 2.26.2