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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 4CAAAC35254 for ; Wed, 5 Feb 2020 10:49:18 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2A9572072B for ; Wed, 5 Feb 2020 10:49:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2A9572072B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1izIF0-0007Mj-RG; Wed, 05 Feb 2020 10:49:06 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1izIEz-0007MZ-N1 for xen-devel@lists.xenproject.org; Wed, 05 Feb 2020 10:49:05 +0000 X-Inumbo-ID: 20204866-4805-11ea-90c6-12813bfff9fa Received: from mx2.suse.de (unknown [195.135.220.15]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id 20204866-4805-11ea-90c6-12813bfff9fa; Wed, 05 Feb 2020 10:49:04 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 3CFE0ACE3; Wed, 5 Feb 2020 10:49:03 +0000 (UTC) To: David Woodhouse References: <20200204151441.10626-1-stewart.hildebrand@dornerworks.com> <89f9cdc5-bd93-7c15-7832-740db273aca6@suse.com> <428eb589-ec3d-1527-02ce-92e2d4367a1a@citrix.com> <81c41a686f6a520936342f04b62d7c27c137f57e.camel@infradead.org> <59013bb7dbf9b79daa6dd280c4448418aa1fc56b.camel@infradead.org> From: Jan Beulich Message-ID: Date: Wed, 5 Feb 2020 11:49:09 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.4.2 MIME-Version: 1.0 In-Reply-To: <59013bb7dbf9b79daa6dd280c4448418aa1fc56b.camel@infradead.org> Content-Language: en-US Subject: Re: [Xen-devel] [XEN PATCH v2 1/2] Check zone before merging adjacent blocks in heap X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Stefano Stabellini , Julien Grall , Wei Liu , Konrad Rzeszutek Wilk , George Dunlap , Andrew Cooper , Ian Jackson , George Dunlap , Jeff Kubascik , Stewart Hildebrand , xen-devel@lists.xenproject.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gMDUuMDIuMjAyMCAxMToyNCwgRGF2aWQgV29vZGhvdXNlIHdyb3RlOgo+IE9uIFdlZCwgMjAy MC0wMi0wNSBhdCAxMTowMiArMDEwMCwgSmFuIEJldWxpY2ggd3JvdGU6Cj4+PiArICAgIC8qIFBh Z2VzIGZyb20gdGhlIGJvb3QgYWxsb2NhdG9yIG5lZWQgdG8gcGFzcyB0aHJvdWdoIGluaXRfaGVh cF9wYWdlcygpICovCj4+PiArICAgIGlmICggdW5saWtlbHkoIXBnLT5jb3VudF9pbmZvKSApCj4+ Cj4+IC4uLiB3aGlsZSBJIHRoaW5rIHRoaXMgY2hlY2sgbWF5IGJlIGZpbmUgaGVyZSwgbm8gc2lt aWxhciBvbmUKPj4gY2FuIGJlIHVzZWQgaW4gZnJlZV9kb21oZWFwX3BhZ2VzKCksIHlldCBwYWdl cyBnZXR0aW5nIGhhbmRlZAo+PiB0aGVyZSBpc24ndCBsZXNzIGxpa2VseSB0aGFuIG9uZXMgZ2V0 dGluZyBoYW5kZWQgdG8KPj4gZnJlZV94ZW5oZWFwX3BhZ2VzKCkgKGlmIHdlIGFscmVhZHkgZmVh ciBtaXNtYXRjaCkuCj4gCj4gRG8gd2UgY2FyZSBhYm91dCB0aGF0Pwo+IAo+IElDQlcgYnV0IEkg ZG9uJ3QgdGhpbmsgSSd2ZSBzZWVuIGEgY2FzZSB3aGVyZSBib290LWFsbG9jYXRlZCBwYWdlcyBn ZXQKPiBoYW5kZWQgdG8gZnJlZV9kb21oZWFwX3BhZ2VzKCkgbGF0ZXIuIEkndmUgb25seSBzZWVu IHRoZW0gaGFuZGVkIHRvCj4gZnJlZV94ZW5oZWFwX3BhZ2VzKCkuIFRoZXNlIGFyZSBwYWdlcyB3 aGljaCBhcmUgbWFwcGVkIHRvIFhlbiwgbm90Cj4gZG9taGVhcCBwYWdlcy4KPiAKPiBZb3UgYXJl IGFscmVhZHkgZXhwZWN0ZWQgKm5vdCogdG8gY29uZmxhdGUgZnJlZV94ZW5oZWFwX3BhZ2VzKCkg YW5kCj4gZnJlZV9kb21oZWFwX3BhZ2VzKCkuCgpUaGF0J3MgdGhlIGNhc2Ugbm93LCBidXQgd2l0 aCB1cyB3YW50aW5nIHRvIGdldCByaWQgb2YgdGhlIGRpcmVjdCBtYXAsCnRvIHNvbGUgZGlmZmVy ZW5jZSB3aWxsIGJlIHdoZXRoZXIgYSBtYXBwaW5nIGdldHMgZXN0YWJsaXNoZWQuClRoZXJlJ2xs IGxpa2VseSBiZSBubyBuZWVkIGZvciBhIFBHQ194ZW5faGVhcCBmbGFnIGFueW1vcmUsIGFzIHdl CmRvbid0IG5lZWQgdG8gdGVsbCBhcGFydCB0aGUgdW5kZXJseWluZyBwYWdlcyAoYXQgbGVhc3Qg YXMgZmFyIGFzIHRoZQphbGxvY2F0b3IgaXMgY29uY2VybmVkKS4KCj4gSSB0aGluayBpdCBzaG91 bGQgYmUgT0sgdG8gZGVjbGFyZSB0aGF0IGZyZWVpbmcgYm9vdC1hbGxvY2F0ZWQgcGFnZXMKPiB3 aXRoIGZyZWVfeGVuaGVhcF9wYWdlcygpIGlzIHBlcm1pdHRlZCwgYnV0IGZyZWVpbmcgdGhlbSB3 aXRoCj4gZnJlZV9kb21oZWFwX3BhZ2VzKCkgaXNuJ3QuCgpJIGRvbid0IHRoaW5rIHRoaXMgaXMg Z29pbmcgdG8gYmUgYSBnb29kIGlkZWEuIGZyZWVfeGVuaGVhcF9wYWdlcygpCnJpZ2h0IG5vdyBl eHBlY3RzIGFuIGFkZHJlc3Mgd2l0aGluIHRoZSBkaXJlY3QgbWFwIHRvIGJlIHBhc3NlZC4KYWxs b2NfYm9vdF9wYWdlcygpLCBob3dldmVyLCByZXR1cm5zIGFuIE1GTiwgd2hpY2ggbWF5IGdldCBt YXBwZWQKdG8gYXJiaXRyYXJ5IGxpbmVhciBhZGRyZXNzZXMgKG9yIG5vbmUgYXQgYWxsKS4gVGhl cmUncyBxdWl0ZSBhIGJpdAptb3JlIHNpbWlsYXJpdHkgdG8gYWxsb2NfZG9taGVhcF9wYWdlcygp LCBhcyB0aGF0IHJldHVybnMKc3RydWN0IHBhZ2VfaW5mbyAqLCB3aGljaCBpbiB0dXJuIGhhcyBh IHJlbGlhYmxlIHRyYW5zbGF0aW9uCnRvL2Zyb20gTUZOLiBZZXQsIGFzIHlvdSBzYXkgZWxzZXdo ZXJlLCB3aGV0aGVyIGFuIE1GTiBoYXMgYW4KZW50cnkgaW4gZnJhbWVfdGFibGVbXSBpcyBlbnRp cmVseSB1bmNsZWFyLCBzbyBwZXJtaXR0aW5nIGJvb3QtCmFsbG9jYXRvciBwYWdlcyB0byBiZSBm cmVlZCB2aWEgYWxsb2NfZG9taGVhcF9wYWdlcygpIG5ldmVydGhlbGVzcwpzdGlsbCBkb2Vzbid0 IGxvb2sgYW55IGJldHRlciBhbiBpZGVhIHRvIG1lLgoKSmFuCgpfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1k ZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21h aWxtYW4vbGlzdGluZm8veGVuLWRldmVs