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 DB48DC33CA1 for ; Wed, 5 Feb 2020 10:02:48 +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 B3E102051A for ; Wed, 5 Feb 2020 10:02:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B3E102051A 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 1izHVu-0002Mz-V3; Wed, 05 Feb 2020 10:02:30 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1izHVt-0002Mq-LS for xen-devel@lists.xenproject.org; Wed, 05 Feb 2020 10:02:29 +0000 X-Inumbo-ID: 9de6699e-47fe-11ea-b211-bc764e2007e4 Received: from mx2.suse.de (unknown [195.135.220.15]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 9de6699e-47fe-11ea-b211-bc764e2007e4; Wed, 05 Feb 2020 10:02:28 +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 80162AF9F; Wed, 5 Feb 2020 10:02:27 +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> From: Jan Beulich Message-ID: Date: Wed, 5 Feb 2020 11:02:34 +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: <81c41a686f6a520936342f04b62d7c27c137f57e.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" T24gMDUuMDIuMjAyMCAxMDo1MCwgRGF2aWQgV29vZGhvdXNlIHdyb3RlOgo+IE9uIFR1ZSwgMjAy MC0wMi0wNCBhdCAxNTozNyArMDAwMCwgR2VvcmdlIER1bmxhcCB3cm90ZToKPj4gQXQgdmVyeSBs ZWFzdCBpdCdzIG1vcmUgcm9idXN0IHRoaXMgd2F5OyB0aGUgYWxnb3JpdGhtIGlzIGFsc28gbGVz cwo+PiAibWFnaWMiLiAgV2UganVzdCBoYWQgYSBsb25nIGRpc2N1c3Npb24gdGhpcyBtb3JuaW5n IHRyeWluZyB0byByZS1jcmVhdGUKPj4gdGhlIGxvZ2ljIGZvciB3aHkgIlJlbW92ZSBNRk4gMCIg d2FzIHN1ZmZpY2llbnQgdG8gcHJldmVudCB0aGlzIGlzc3VlLAo+PiBhbmQgZXZlbiB0aGVuIERh dmlkIHdhc24ndCBzdXJlIGl0IHdhcyBjb3JyZWN0IGF0IGZpcnN0Lgo+IAo+IFJpZ2h0LiBTbyB0 aGUgcmVhbCByZWFzb24gSSdtIHN0YXJpbmcgaGFyZCBhdCB0aGlzIGlzIGJlY2F1c2UgSSBjYW4n dAo+IGNvbnZpbmNlIG15c2VsZiB0aGVyZSBhcmVuJ3QgcGxhY2VzIHdoZXJlIG1lbW9yeSBhbGxv Y2F0ZWQgYnkgdGhlIGJvb3QKPiBhbGxvY2F0b3IgaXMgbGF0ZXIgZnJlZWQgd2l0aCBmcmVlX3hl bmhlYXBfcGFnZXMoKS4KPiAKPiBXZSBoYXZlIGEgZmV3IHBpZWNlcyBvZiBjb2RlIHdoaWNoIGRl Y2lkZSB3aGV0aGVyIHRvIHVzZSB0aGUgYm9vdAo+IGFsbG9jYXRvciB2cy4gaGVhcCBiYXNlZCBv biBzeXN0ZW1fc3RhdGUgPj0gU1lTX1NUQVRFX2Jvb3QsIGFuZCAqaWYqCj4gdGhlIHJ1bGUgaXMg InRob3Ugc2hhbHQgbm90IGFsbG9jYXRlIHdpdGggYm9vdCBhbGxvY2F0b3IgYW5kIGZyZWUKPiBs YXRlciIgdGhlbiBpdCdzICpleHRyZW1lbHkqIGZyYWdpbGUgYW5kIHByb2JhYmx5IGJlaW5nIHZp b2xhdGVkIOKAlAo+IGVzcGVjaWFsbHkgYmVjYXVzZSBpdCBhY3R1YWxseSAqd29ya3MqIG1vc3Qg b2YgdGhlIHRpbWUsIGV4Y2VwdCBpbiBzb21lCj4gZXNvdGVyaWMgY29ybmVyIGNhc2VzIGxpa2Ug TUZOIzAsIGJvb3QgYWxsb2NhdGlvbnMgd2hpY2ggY3Jvc3MKPiB6b25lcy9yZWdpb25zLCBldGMu Cj4gCj4gU28gYmVjYXVzZSB3ZSB3YW50IHRvIG1ha2UgdGhhdCAqbW9yZSogbGlrZWx5IGJ5IGFs bG93aW5nIHZtYXAoKSB0bwo+IGhhcHBlbiBlYXJsaWVyLCBJJ2QgbGlrZSB0byBjbGVhbiB0aGlu Z3MgdXAgYnkgYWRkcmVzc2luZyB0aG9zZSBjb3JuZXIKPiBjYXNlcyBhbmQgbWFraW5nIGl0IHVu Y29uZGl0aW9uYWxseSBPSyB0byBmcmVlIGJvb3QtYWxsb2NhdGVkIHBhZ2VzCj4gaW50byB0aGUg aGVhcC4KPiAKPiBJIHRoaW5rIG1pZ2h0IGJlIGFzIHNpbXBsZSBhcyBjaGVja2luZyBmb3IgKGZp cnN0X3BnKS0+Y291bnRfaW5mbyA9PSAwCj4gaW4gZnJlZV94ZW5oZWFwX3BhZ2VzKCkuIFRoYXQn cyBxdWljayBlbm91Z2gsIGFuZCBpZiB0aGUgY291bnRfaW5mbyBpcwo+IHplcm8gdGhlbiBJIHRo aW5rIGl0IGRvZXMgaW5kaWNhdGUgYSBib290LWFsbG9jYXRlZCBwYWdlLCBiZWNhdXNlIHBhZ2Vz Cj4gZnJvbSBhbGxvY194ZW5oZWFwX3BhZ2VzKCkgd291bGQgaGF2ZSBQR0NfeGVuX2hlYXAgc2V0 PwoKVGhleSB3b3VsZCwgYnV0IHRoYXQgbGVhdmVzIHthbGxvYyxmcmVlfV9kb21oZWFwX3BhZ2Vz KCkgb3V0IG9mCnRoZSBwaWN0dXJlLiBJLmUuIC4uLgoKPiBJdCB3b3VsZCBzdWZmaWNlIGp1c3Qg dG8gcGFzcyBzdWNoIHBhZ2VzIHRvIGluaXRfaGVhcF9wYWdlcygpIGluc3RlYWQKPiBvZiBkaXJl Y3RseSB0byBmcmVlX2hlYXBfcGFnZXMoKSwgSSB0aGluay4gSnVsaWVuPwo+IAo+IFRoZSBzdHJh dyBtYW4gdmVyc2lvbiBvZiB0aGF0IGxvb2tzIGEgYml0IGxpa2UgdGhpcy4uLgo+IAo+IC0tLSBh L3hlbi9jb21tb24vcGFnZV9hbGxvYy5jCj4gKysrIGIveGVuL2NvbW1vbi9wYWdlX2FsbG9jLmMK PiBAQCAtMjMwNCw2ICsyMzA0LDEyIEBAIHZvaWQgZnJlZV94ZW5oZWFwX3BhZ2VzKHZvaWQgKnYs IHVuc2lnbmVkIGludCBvcmRlcikKPiAgCj4gICAgICBwZyA9IHZpcnRfdG9fcGFnZSh2KTsKPiAg Cj4gKyAgICAvKiBQYWdlcyBmcm9tIHRoZSBib290IGFsbG9jYXRvciBuZWVkIHRvIHBhc3MgdGhy b3VnaCBpbml0X2hlYXBfcGFnZXMoKSAqLwo+ICsgICAgaWYgKCB1bmxpa2VseSghcGctPmNvdW50 X2luZm8pICkKCi4uLiB3aGlsZSBJIHRoaW5rIHRoaXMgY2hlY2sgbWF5IGJlIGZpbmUgaGVyZSwg bm8gc2ltaWxhciBvbmUKY2FuIGJlIHVzZWQgaW4gZnJlZV9kb21oZWFwX3BhZ2VzKCksIHlldCBw YWdlcyBnZXR0aW5nIGhhbmRlZAp0aGVyZSBpc24ndCBsZXNzIGxpa2VseSB0aGFuIG9uZXMgZ2V0 dGluZyBoYW5kZWQgdG8KZnJlZV94ZW5oZWFwX3BhZ2VzKCkgKGlmIHdlIGFscmVhZHkgZmVhciBt aXNtYXRjaCkuCgpKYW4KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qu b3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2 ZWw=