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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 D06AAC5DF63 for ; Wed, 6 Nov 2019 16:09:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9FA232075C for ; Wed, 6 Nov 2019 16:09:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="V1lHCxJj" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732111AbfKFQJJ (ORCPT ); Wed, 6 Nov 2019 11:09:09 -0500 Received: from mail-io1-f65.google.com ([209.85.166.65]:33589 "EHLO mail-io1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727028AbfKFQJJ (ORCPT ); Wed, 6 Nov 2019 11:09:09 -0500 Received: by mail-io1-f65.google.com with SMTP id j13so11154299ioe.0; Wed, 06 Nov 2019 08:09:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=Eslp/JOdom/CjX+lqK7aTxy3Zlxzb9eP02urmOqXPMg=; b=V1lHCxJjL24doCsDQORDRuYc65FLSxoyO+yeN8LQ6+a6bBa7Ni3PHgdIYBdU7z11pX bXGhShRrurLCUczQmkOJyEi9BHl2pUwsFmyxRG+NI1GtUov4+1i6LNOgI2zZexAY2f/o Q8s0OT1wx0UJNUzVjWrYNPaPoWnUCRxq7OE9RozRf3TeSg+g10rB5gj1a5Fr9+CnDFtO xfqP+EwKKRZRJDeFT/W2qyPARmt6kZGCA5iQjzVygViW7ETd1hLvDn3SNavi6482FmPc J0SOSX/CfMqlnPZX2yKI1UErVzHzT4Fsv6tcdo5+hHzmzDHLHksnR4k0U414JwgHjqXW r0Sw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=Eslp/JOdom/CjX+lqK7aTxy3Zlxzb9eP02urmOqXPMg=; b=cWTwYfOV/RnWum+nhVti3YW+EixQPHdn3h9oimR1s5GAqqzTe2BhGb1v0rSwBoU4jJ vdv2KsVuczkujmuQyl3VGgXQ8oXTvVXuTQSrghHZrpFHL1mmdDKoXDxVHra9YXuKJ5IE NSxk3lE2bakwwNLEYjFEjd6wbhnQWAr0bW5vJrHBGh47V2DOE0FHCVoUDxojr5GSn+ND viOcwJgbaGjeuv15/RZet9Lt45mlfDEJOTSeCtJDWlTSJEZK7qy4I6HDLJRq30A7bzbj dk95FbCk1P/8r+GZHEwwI6lUiWqAKNX3llTQVd/XK7WsKBT70Prb86jyqpVskpPWqFqh Gpig== X-Gm-Message-State: APjAAAX99Ynb1TZm4UtjiOWvu+ZO38HjFgn86A+piyFqb2PphCEfCbVr FbnWYoZ3klJoVE99oquH5iYBMnnBke3i7FMQkoE= X-Google-Smtp-Source: APXvYqy5kJoWBZiTxw/dDVVMuUPSYCWnnxAVaiVeezNoTg8iPLqxkU1nEQQY3XC19b0GB5v+uFBmT4TpOwI9mroLZUA= X-Received: by 2002:a5e:8a04:: with SMTP id d4mr7583607iok.42.1573056547980; Wed, 06 Nov 2019 08:09:07 -0800 (PST) MIME-Version: 1.0 References: <20191105215940.15144.65968.stgit@localhost.localdomain> <20191105220219.15144.69031.stgit@localhost.localdomain> <20191105200022.ed3b5f803bef55377bcc5d30@linux-foundation.org> In-Reply-To: <20191105200022.ed3b5f803bef55377bcc5d30@linux-foundation.org> From: Alexander Duyck Date: Wed, 6 Nov 2019 08:08:56 -0800 Message-ID: Subject: Re: [PATCH v13 3/6] mm: Introduce Reported pages To: Andrew Morton Cc: kvm list , "Michael S. Tsirkin" , LKML , Matthew Wilcox , Michal Hocko , linux-mm , Mel Gorman , Vlastimil Babka , Yang Zhang , Nitesh Narayan Lal , Konrad Rzeszutek Wilk , David Hildenbrand , Pankaj Gupta , Rik van Riel , lcapitulino@redhat.com, Dave Hansen , "Wang, Wei W" , Andrea Arcangeli , Paolo Bonzini , Dan Williams , Alexander Duyck , Oscar Salvador Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Nov 5, 2019 at 8:00 PM Andrew Morton wrote: > > On Tue, 05 Nov 2019 14:02:19 -0800 Alexander Duyck wrote: > > > In order to pave the way for free page reporting in virtualized > > environments we will need a way to get pages out of the free lists and > > identify those pages after they have been returned. To accomplish this, > > this patch adds the concept of a Reported Buddy, which is essentially > > meant to just be the Uptodate flag used in conjunction with the Buddy > > page type. > > build fix > > --- a/mm/page_reporting.h~mm-introduce-reported-pages-fix > +++ a/mm/page_reporting.h > @@ -158,7 +158,7 @@ free_area_reporting(struct zone *zone, u > return false; > } > static inline struct list_head * > -get_unreported_tail(struct zone *zone, unsigned int order, int migratetype) > +get_unreported_tail(unsigned int order, int migratetype) > { > return NULL; > } > Sorry about that. I will make sure to include the fix in v14. Thanks. - Alex