From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH v2 2/2] x86/dom0: improve paging memory usage calculations Date: Tue, 11 Dec 2018 09:21:29 -0700 Message-ID: <5C0FE4090200007800205338@prv1-mh.provo.novell.com> References: <20181205145500.11989-1-roger.pau@citrix.com> <20181205145500.11989-3-roger.pau@citrix.com> <5C0FD5860200007800205220@prv1-mh.provo.novell.com> <20181211153651.kgltzqwy5cbj5rpq@mac> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gWkmv-00033U-1R for xen-devel@lists.xenproject.org; Tue, 11 Dec 2018 16:21:37 +0000 In-Reply-To: <20181211153651.kgltzqwy5cbj5rpq@mac> Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Roger Pau Monne Cc: Andrew Cooper , andrei.semenov@bertin.fr, Wei Liu , xen-devel List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDExLjEyLjE4IGF0IDE2OjM2LCA8cm9nZXIucGF1QGNpdHJpeC5jb20+IHdyb3RlOgo+ IE9uIFR1ZSwgRGVjIDExLCAyMDE4IGF0IDA4OjE5OjM0QU0gLTA3MDAsIEphbiBCZXVsaWNoIHdy b3RlOgo+PiA+Pj4gT24gMDUuMTIuMTggYXQgMTU6NTUsIDxyb2dlci5wYXVAY2l0cml4LmNvbT4g d3JvdGU6Cj4+ID4gK3Vuc2lnbmVkIGxvbmcgX19pbml0IGRvbTBfaGFwX3BhZ2VzKGNvbnN0IHN0 cnVjdCBkb21haW4gKmQsCj4+ID4gKyAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg IHVuc2lnbmVkIGxvbmcgbnJfcGFnZXMpCj4+ID4gK3sKPj4gPiArICAgIC8qCj4+ID4gKyAgICAg KiBBdHRlbXB0IHRvIGFjY291bnQgZm9yIGF0IGxlYXN0IHNvbWUgb2YgdGhlIE1NSU8gcmVnaW9u cyBieSBhZGRpbmcgdGhlCj4+ID4gKyAgICAgKiBzaXplIG9mIHRoZSBob2xlcyBpbiB0aGUgbWVt b3J5IG1hcCB0byB0aGUgYW1vdW50IG9mIHBhZ2VzIHRvIG1hcC4gTm90ZQo+PiA+ICsgICAgICog dGhpcyB3aWxsIG9idmlvdXNseSBub3QgYWNjb3VudCBmb3IgTU1JTyByZWdpb25zIHRoYXQgYXJl IHBhc3QgdGhlIGxhc3QKPj4gPiArICAgICAqIFJBTSByYW5nZSBpbiB0aGUgbWVtb3J5IG1hcC4K Pj4gPiArICAgICAqLwo+PiA+ICsgICAgbnJfcGFnZXMgKz0gbWF4X3BhZ2UgLSB0b3RhbF9wYWdl czsKPj4gPiArICAgIC8qCj4+ID4gKyAgICAgKiBBcHByb3hpbWF0ZSB0aGUgbWVtb3J5IHJlcXVp cmVkIGZvciB0aGUgSEFQL0lPTU1VIHBhZ2UgdGFibGVzIGJ5Cj4+ID4gKyAgICAgKiBwZXNzaW1p c3RpY2FsbHkgYXNzdW1pbmcgZWFjaCBwYWdlIHdpbGwgY29uc3VtZSBhIDggYnl0ZSBwYWdlIHRh YmxlCj4+ID4gKyAgICAgKiBlbnRyeS4KPj4gPiArICAgICAqLwo+PiA+ICsgICAgcmV0dXJuIERJ Vl9ST1VORF9VUChucl9wYWdlcyAqIDgsIFBBR0VfU0laRSA8PCBQQUdFX09SREVSXzRLKTsKPj4g Cj4+IFdpdGggZW5vdWdoIG1lbW9yeSBoYW5kZWQgdG8gRG9tMCB0aGUgbWVtb3J5IG5lZWRlZCBm b3IKPj4gTDIgYW5kIGhpZ2hlciBwYWdlIHRhYmxlcyB3aWxsIG1hdHRlciBhcyB3ZWxsLgo+IAo+ IFRoZSBhYm92ZSBjYWxjdWxhdGlvbiBhc3N1bWVzIGFsbCBjaHVua3Mgd2lsbCBiZSBtYXBwZWQg YXMgNEtCCj4gZW50cmllcywgYnV0IHRoaXMgaXMgdmVyeSB1bmxpa2VseSwgc28gdGhlcmUncyBz b21lIHJvb20gZm9yIGhpZ2hlcgo+IHBhZ2UgdGFibGVzLgoKUmlnaHQsIGJ1dCB0aGVyZSdzIG5v IGRlcGVuZGVuY3kgb24gMk0gYW5kL29yIDFHIHBhZ2VzIGJlaW5nCmF2YWlsYWJsZSwgbm9yIGRv ZXMgdGhlIGNvbW1lbnQgZ2l2ZSBhbnkgaGludCB0b3dhcmRzIHRoYXQKaW1wbGljYXRpb24uCgo+ IElmIHRoYXQgZG9lc24ndCBzZWVtIGVub3VnaCBJIGNhbiBhZGQgc29tZSBleHRyYSBzcGFjZQo+ IGhlcmUsIG1heWJlIGEgKzUlIG9yICsxMCU/CgpBIHBlcmNlbnRhZ2UgZG9lc24ndCBkbyBpbW8u IEZyb20gdGhlIG1lbW9yeSBtYXAgaXQgc2hvdWxkCmJlIGNsZWFyIGhvdyBtYW55IEwyLCBMMywg YW5kIEw0IHRhYmxlcyBhcmUgZ29pbmcgdG8gYmUgbmVlZGVkLgpXZSBkbyBzdWNoIGEgY2FsY3Vs YXRpb24gaW4gdGhlIFBWIGNhc2UgYXMgd2VsbCwgYWZ0ZXIgYWxsLgoKPj4gSSdtIGFueXdheSBo YXZpbmcgZGlmZmljdWx0eSBzZWVpbmcgd2h5IEhBUCBhbmQgc2hhZG93IHdvdWxkCj4+IGhhdmUg dG8gdXNlIGRpZmZlcmVudCBjYWxjdWxhdGlvbnMsIHRoZSBtb3JlIHRoYXQgc2hhZG93IHJlbGll cwo+PiBvbiB0aGUgc2FtZSBQMk0gY29kZSB0aGF0IHNoYWRvdyB1c2VzIGluIHRoZSBBTUQvU1ZN IGNhc2UuCj4gCj4gRm9yIG9uY2Ugc2hhZG93IG5lZWRzIHRvIHRha2UgdGhlIG51bWJlciBvZiB2 Q1BVcyBpbnRvIGFjY291bnQgd2hpbGUKPiBIQVAgZG9lc24ndC4KClllcywgYW5kIGFzIHNhaWQg LSBhZGRpbmcgdGhhdCBzaGFkb3ctc3BlY2lmaWMgYW1vdW50IG9uIHRvcCBvZgp0aGUgZ2VuZXJp YyBjYWxjdWxhdGlvbiB3b3VsZCBzZWVtIGJldHRlciB0byBtZS4KCj4+IFBsdXMsIGFzIGlpcmMg d2FzIHNhaWQgYnkgc29tZW9uZSBlbHNlIGFscmVhZHksIEkgZG9uJ3QgdGhpbmsgd2UKPj4gY2Fu IChjb250aW51ZSB0bykgbmVnbGVjdCB0aGUgTU1JTyBzcGFjZSBuZWVkcyBmb3IgTU1DRkcKPj4g YW5kIFBDSSBkZXZpY2VzLCBlc3BlY2lhbGx5IHdpdGggZGV2aWNlcyBoYXZpbmcgbXVsdGktR2Ig QkFScy4KPiAKPiBXZWxsLCB0aGVyZSdzIHRoZSBjb21tZW50IGFib3ZlIHRoYXQgbm90ZXMgdGhp cyBhcHByb2FjaCBvbmx5IHRha2VzCj4gaW50byBhY2NvdW50IHRoZSBob2xlcyBpbiB0aGUgbWVt b3J5IG1hcCBhcyByZWdpb25zIHRvIGJlIG1hcHBlZC4gVGhpcwo+IGNhbiBiZSBpbXByb3ZlZCBs YXRlciBvbiwgYnV0IEkgdGhpbmsgdGhlIGltcG9ydGFudCBwb2ludCBoZXJlIGlzIHRvCj4ga25v dyB3aGVyZSB0aGlzIG51bWJlcnMgY29tZSBmcm9tIGluIG9yZGVyIHRvIHR3ZWFrIGl0IGluIHRo ZSBmdXR1cmUuCgpZb3UndmUgZ2l2ZW4gdGhpcyBzYW1lIGFyZ3VtZW50IHRvIFdlaSBiZWZvcmUu IEkgYWdyZWUgdGhlCmNhbGN1bGF0aW9uIGFkanVzdG1lbnRzIGFyZSBhbiBpbXByb3ZlbWVudCBl dmVuIHdpdGhvdXQKdGFraW5nIHRoYXQgb3RoZXIgYXNwZWN0IGludG8gY29uc2lkZXJhdGlvbiwg YnV0IEknbSBub3QgaGFwcHkKdG8gc2VlIGFuIGltcG9ydGFudCBwb3J0aW9uIGxlZnQgb3V0LiBX aGF0IGlmIHRoZSBzdW0gb2YgYWxsCkJBUnMgZXhjZWVkcyB0aGUgYW1vdW50IG9mIFJBTT8gV2hh dCBpZiBlbm91Z2ggQkFScyBhcmUKc28gdW5kZXNpcmFibHkgcGxhY2VkIHRoYXQgZXZlcnkgb25l IG9mIHRoZW0gbmVlZHMgYSBmdWxsCnNlcGFyYXRlIGNoYWluIG9mIEw0LCBMMywgTDIsIGFuZCBM MSBlbnRyaWVzPwoKPj4gPiArICAgICAgICBlbHNlCj4+ID4gKyAgICAgICAgICAgIGF2YWlsIC09 IGRvbTBfc2hhZG93X3BhZ2VzKGQsIG5yX3BhZ2VzKSArCj4+ID4gKyAgICAgICAgICAgICAgICAg ICAgIGRvbTBfaGFwX3BhZ2VzKGQsIG5yX3BhZ2VzKTsKPj4gPiAgICAgIH0KPj4gCj4+IERvZXNu J3QgZG9tMF9zaGFkb3dfcGFnZXMoKSAobWVhbiB0bykgYWxyZWFkeSBpbmNsdWRlIHRoZQo+PiBh bW91bnQgbmVlZGVkIGZvciB0aGUgUDJNPwo+IAo+IGxpYnhsIGNvZGUgbWVudGlvbnM6ICJwbHVz IDEgcGFnZSBwZXIgTWlCIG9mIFJBTSBmb3IgdGhlIFAyTSBtYXAsIiBzbwo+IEkgZ3Vlc3MgdGhl IHNoYWRvdyBjYWxjdWxhdGlvbiB0YWtlcyBpbnRvIGFjY291bnQgdGhlIG1lbW9yeSB1c2VkIGJ5 Cj4gdGhlIElPTU1VIHBhZ2UgdGFibGVzPwoKSSB0aGluayB0aGF0IGNvbW1lbnQgcmVmZXJzIHRv IHRoZSBQMk0gbmVlZHMsIG5vdCB0aGUgSU9NTVUgb25lcy4KSWlyYyBpbiBzaGFkb3cgbW9kZSB0 aGUgSU9NTVUgdXNlcyBzZXBhcmF0ZSBwYWdlIHRhYmxlcywgYWxiZWl0IEkKZG9uJ3QgcmVjYWxs IHdoeSB0aGF0IGlzIHdoZW4gdGhlIFAyTSBpcyByZWFsbHkgb25seSB1c2VkIGJ5IHNvZnR3YXJl CmluIHRoYXQgY2FzZS4KCkphbgoKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5w cm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8v eGVuLWRldmVs