From mboxrd@z Thu Jan 1 00:00:00 1970 From: George Dunlap Subject: Re: [PATCH] mm/page_alloc: always scrub pages given to the allocator Date: Mon, 1 Oct 2018 14:50:50 +0100 Message-ID: <4d90b2ba-dcb2-c741-ef08-1beda65d69ab@citrix.com> References: <20181001095818.22782-1-sergey.dyasli@citrix.com> <5BB2014B02000078001ED2B6@prv1-mh.provo.novell.com> <43064b50-6f49-a073-9219-5a0a031be93b@citrix.com> <6ff6c992-2c6f-a0aa-8b51-cbb3dfc724c7@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <6ff6c992-2c6f-a0aa-8b51-cbb3dfc724c7@oracle.com> Content-Language: en-US List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Boris Ostrovsky , Andrew Cooper , Jan Beulich , Sergey Dyasli Cc: George Dunlap , Julien Grall , Tim Deegan , xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org T24gMTAvMDEvMjAxOCAwMjo0NCBQTSwgQm9yaXMgT3N0cm92c2t5IHdyb3RlOgo+IE9uIDEwLzEv MTggOToxMiBBTSwgQW5kcmV3IENvb3BlciB3cm90ZToKPj4gT24gMDEvMTAvMTggMTI6MTMsIEph biBCZXVsaWNoIHdyb3RlOgo+Pj4+Pj4gT24gMDEuMTAuMTggYXQgMTE6NTgsIDxzZXJnZXkuZHlh c2xpQGNpdHJpeC5jb20+IHdyb3RlOgo+Pj4+IEhhdmluZyB0aGUgYWxsb2NhdG9yIHJldHVybiB1 bnNjcnViYmVkIHBhZ2VzIGlzIGEgcG90ZW50aWFsIHNlY3VyaXR5Cj4+Pj4gY29uY2Vybjogc29t ZSBkb21haW4gY2FuIGJlIGdpdmVuIHBhZ2VzIHdpdGggbWVtb3J5IGNvbnRlbnRzIG9mIGFub3Ro ZXIKPj4+PiBkb21haW4uIFRoaXMgbWF5IGhhcHBlbiwgZm9yIGV4YW1wbGUsIGlmIGEgZG9tYWlu IHZvbHVudGFyaWx5IHJlbGVhc2VzCj4+Pj4gaXRzIG93biBtZW1vcnkgKGJhbGxvb25pbmcgYmVp bmcgdGhlIGVhc2llc3Qgd2F5IGZvciBkb2luZyB0aGlzKS4KPj4+IEFuZCB3ZSd2ZSBhbHdheXMg c2FpZCB0aGF0IGluIHRoaXMgY2FzZSBpdCdzIHRoZSBkb21haW4ncyByZXNwb25zaWJpbGl0eQo+ Pj4gdG8gc2NydWIgdGhlIG1lbW9yeSBvZiBzZWNyZXRzIGl0IGNhcmVzIGFib3V0LiBUaGVyZWZv cmUgSSdtIGF0IHRoZQo+Pj4gdmVyeSBsZWFzdCBtaXNzaW5nIHNvbWUgYmFja2dyb3VuZCBvbiB0 aGlzIGNoYW5nZSBvZiBleHBlY3RhdGlvbnMuCj4+IFlvdSB3ZXJlIG9uIHRoZSBjYWxsIHdoZW4g dGhpcyB3YXMgZGlzY3Vzc2VkLCBhbG9uZyB3aXRoIHRoZSBzeW5jaHJvbm91cwo+PiBzY3J1YmJp bmcgaW4gZGVzdHJveWRvbWFpbi4KPj4KPj4gUHV0IHNpbXBseSwgdGhlIGN1cnJlbnQgYmVoYXZp b3VyIGlzIG5vdCBnb29kIGVub3VnaCBmb3IgYSBudW1iZXIgb2YKPj4gc2VjdXJpdHkgc2Vuc2l0 aXZlIHVzZWNhc2VzLgo+Pgo+PiBUaGUgbWFpbiByZWFzb24gaG93ZXZlciBmb3IgZG9pbmcgdGhp cyBpcyB0aGUgb3B0aW1pc2F0aW9ucyBpdCBlbmFibGVzLAo+PiBhbmQgaW4gcGFydGljdWxhciwg bm90IGRvdWJsZSBzY3J1YmJpbmcgbW9zdCBvZiBvdXIgcGFnZXMuCj4gCj4gT1RPSCwgaXQgaW50 cm9kdWNlcyBkb3VibGUgc2NydWJiaW5nIGZvciBiYWxsb29uaW5nIGJlY2F1c2UgKGF0IGxlYXN0 Cj4gTGludXgpIGd1ZXN0cyBkbyBzY3J1YiBtZW1vcnkgYmVmb3JlIGhhbmRpbmcgaXQgYmFjayB0 byB0aGUgaHlwZXJ2aXNvci4KCldlIGNvdWxkIGFkZCBhIFhlbiBmZWF0dXJlIGZsYWcgd2hpY2gg dGVsbHMgdGhlIGd1ZXN0IGJhbGxvb24gZHJpdmVyCndoZXRoZXIgdGhlIGh5cGVydmlzb3Igd2ls bCBzY3J1YiBwYWdlcyAoYW5kIHRodXMgaXQgZG9lc24ndCBuZWVkIHRvKS4KCkFuZHksIHdhc24n dCB1bmNvbmRpdGlvbmFsIHNjcnViYmluZyBvZiBndWVzdCBwYWdlcyBhbHNvIHJlcXVpcmVkIGJ5 CnNvbWUgY2VydGlmaWNhdGlvbiBvciBvdGhlcj8KCiAtR2VvcmdlCgpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhl bi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3Jn L21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs