From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: Converting heap page_infos to contiguous virtual Date: Thu, 14 Jul 2016 13:42:26 +0100 Message-ID: <578788B2.9080506@arm.com> References: <20617962-5096-99a2-d1d9-88ef5437fc6e@citrix.com> <7799b35d-6675-87c7-d3f1-e4c2a92f9001@oracle.com> <6038b38a-792a-7c74-4056-5d19e2bcf690@citrix.com> <9ee6a9ce-00fb-33c1-22c5-c76bb61def15@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Andrew Cooper , George Dunlap , Boris Ostrovsky , xen-devel Cc: George Dunlap List-Id: xen-devel@lists.xenproject.org SGksCgpPbiAxNC8wNy8xNiAxMTozNCwgQW5kcmV3IENvb3BlciB3cm90ZToKPiBPbiAxNC8wNy8x NiAxMToyNSwgR2VvcmdlIER1bmxhcCB3cm90ZToKPj4gT24gMTMvMDcvMTYgMjE6NTcsIEJvcmlz IE9zdHJvdnNreSB3cm90ZToKPj4+IE9uIDA3LzEzLzIwMTYgMDQ6MzQgUE0sIEFuZHJldyBDb29w ZXIgd3JvdGU6Cj4+Pj4gT24gMTMvMDcvMjAxNiAyMToxNywgQm9yaXMgT3N0cm92c2t5IHdyb3Rl Ogo+Pj4+PiBPbiAwNy8xMy8yMDE2IDA0OjAyIFBNLCBBbmRyZXcgQ29vcGVyIHdyb3RlOgo+Pj4+ Pj4gT24gMTMvMDcvMTYgMjA6NDQsIEJvcmlzIE9zdHJvdnNreSB3cm90ZToKPj4+Pj4+PiBJIHdv dWxkIGxpa2UgdG8gY2xlYXIgYSBidW5jaCBvZiBYZW4gaGVhcCBwYWdlcyBhdCBvbmNlIChpLmUu IG5vdAo+Pj4+Pj4+IHBhZ2UtYnktcGFnZSkuCj4+Pj4+Pj4KPj4+Pj4+PiBHcmVhdGx5IHNpbXBs aWZ5aW5nIHRoaW5ncywgbGV0J3Mgc2F5IEkgZ3JhYiAoaW4gY29tbW9uL3BhZ2VfYWxsb2MuYykK Pj4+Pj4+PiAgICAgIHBnID0gcGFnZV9saXN0X3JlbW92ZV9oZWFkKCZoZWFwKG5vZGUsIHpvbmUs IG9yZGVyKQo+Pj4+Pj4+Cj4+Pj4+Pj4gYW5kIHRoZW4KPj4+Pj4+Pgo+Pj4+Pj4+ICAgICAgbWZu X3QgbWZuID0KPj4+Pj4+PiBfbWZuKHBhZ2VfdG9fbWZuKHBnKSk7Cj4+Pj4+Pj4gICAgICBjaGFy ICp2YSA9IG1mbl90b192aXJ0KG1mbl94KG1mbikpOwo+Pj4+Pj4+ICAgICAgbWVtc2V0KHZhLCAw LCA0MDk2ICogKDEgPDwgb3JkZXIpKTsKPj4+Pj4+Pgo+Pj4+Pj4+Cj4+Pj4+Pj4gV291bGQgaXQg YmUgdmFsaWQgdG8gdGhpcz8KPj4+Pj4+IEluIHByaW5jaXBsZSwgeWVzLiAgVGhlIGZyYW1lX3Rh YmxlIGlzIGluIG9yZGVyLgo+Pj4+Pj4KPj4+Pj4+IEhvd2V2ZXIsIG1mbl90b192aXJ0KCkgd2ls bCBibG93IHVwIGZvciBSQU0gYWJvdmUgdGhlIDVUQiBib3VuZGFyeS4gIFlvdQo+Pj4+Pj4gbmVl ZCB0byBtYXBfZG9tYWluX3BhZ2UoKSB0byBnZXQgYSBtYXBwaW5nLgo+Pj4+PiBSaWdodCwgYnV0 IHRoYXQgd291bGQgbWVhbiBnb2luZyBwYWdlLWJ5LXBhZ2UsIHdoaWNoIEkgd2FudCB0byBhdm9p ZC4KPj4+Pj4KPj4+Pj4gTm93LCBESVJFQ1RNQVBfU0laRSBpcyB+MTI4VEIgKGlmIG15IG1hdGgg aXMgY29ycmVjdCkgLS0tIGRvZXNuJ3QgaXQKPj4+Pj4gaW1wbHkgdGhhdCBpdCBtYXBzIHRoaXMg YmlnIGEgcmFuZ2UgY29udGlndW91c2x5IChtb2R1bG8gUERYIGhvbGUpPwo+Pj4+IFlvdXIgbWF0 aHMgaXMgY29ycmVjdCwgYW5kIHlldCB5b3Ugd2lsbCBlbmQgdXAgd2l0aCBwcm9ibGVtcyBpZiB5 b3UKPj4+PiB0cnVzdCBpdC4KPj4+Pgo+Pj4+IFRoYXQgaXMgdGhlIG1hZ2ljIG1vZGUgZm9yIHRo ZSBpZGxlIGFuZCBtb25pdG9yIHBhZ2V0YWJsZXMuICBJbiB0aGUKPj4+PiBjb250ZXh0IG9mIGEg NjRiaXQgUFYgZ3Vlc3QsIHRoZSBjdXRvZmYgaXMgYXQgNVRCLCBhdCB3aGljaCBwb2ludCB5b3UK Pj4+PiB2ZW50dXJlIGludG8gdGhlIHZpcnR1YWwgYWRkcmVzcyBzcGFjZSByZXNlcnZlZCBmb3Ig Z3Vlc3Qga2VybmVsIHVzZS4KPj4+PiAoSXQgaXMgcmF0aGVyIGRlcHJlc3NpbmcgdGhhdCB0aGUg NjRiaXQgUFYgZ3Vlc3QgQUJJIGlzIHRoZSBmYWN0b3IKPj4+PiBsaW1pdGluZyBYZW4ncyBtYXhp bXVtIFJBTSB1c2FnZS4pCj4+PiBJIGRvbid0IGtub3cgd2hldGhlciBpdCB3b3VsZCBtYWtlIGFu eSBkaWZmZXJlbmNlIGJ1dCB0aGUgcGFnZXMgdGhhdCBJIGFtCj4+PiB0YWxraW5nIGFib3V0IGFy ZSBub3QgaW4gdXNlIGJ5IGFueSBndWVzdCwgdGhleSBhcmUgZnJlZS4gKFRoaXMgcXVlc3Rpb24K Pj4+IGlzIGZvciBzY3J1YmJpbmcgcmV3cml0ZSB0aGF0IEkgYW0gd29ya2luZyBvbi4gV2hpY2gg YXBwYXJlbnRseSB5b3UKPj4+IGZpZ3VyZWQgb3V0IGp1ZGdlZCBieSB3aGF0IHlvdSBhcmUgc2F5 aW5nIGJlbG93KQo+PiBJcyB0aGlzIHN0YXJ0LW9mLWRheSBzY3J1YmJpbmcgKHdoZW4gdGhlcmUg YXJlIG5vIGd1ZXN0cyksIG9yIHNjcnViYmluZwo+PiBvbiBndWVzdCBkZXN0cnVjdGlvbj8KPj4K Pj4gSWYgdGhlIGZvcm1lciwgaXQgc2VlbXMgbGlrZSBpdCBtaWdodCBub3QgYmUgdG9vIGRpZmZp Y3VsdCB0byBhcnJhbmdlCj4+IHRoYXQgd2UncmUgaW4gYSBjb250ZXh0IHRoYXQgaGFzIGFsbCB0 aGUgUkFNIG1hcHBlZC4KPgo+IFRoaXMgd2lsbCBiZSBydW50aW1lIHNjcnViYmluZyBvZiBwYWdl cy4gIFRoaXMgdG9waWMgaGFzIGNvbWUgdXAgYXQKPiBzZXZlcmFsIGhhY2thdGhvbnMuCgpJcyBp dCBhIGZlYXR1cmUgdGhhdCB3aWxsIGJlIGltcGxlbWVudGVkIGluIGNvbW1vbiBjb2RlPyBJZiBz bywgYmVhciBpbiAKbWluZCB0aGF0IEFSTSAzMi1iaXQgaHlwZXJ2aXNvciBkb2VzIG5vdCBoYXZl IGFsbCB0aGUgbWVtb3J5IG1hcHBlZCAKKGFjdHVhbGx5IG9ubHkgWGVuIGhlYXAgaXMgbWFwcGVk KS4KClJlZ2FyZHMsCgotLSAKSnVsaWVuIEdyYWxsCgpfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBs aXN0cy54ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK