From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg1-f198.google.com (mail-pg1-f198.google.com [209.85.215.198]) by kanga.kvack.org (Postfix) with ESMTP id A5FD48E00E5 for ; Wed, 12 Dec 2018 16:05:56 -0500 (EST) Received: by mail-pg1-f198.google.com with SMTP id t26so12949921pgu.18 for ; Wed, 12 Dec 2018 13:05:56 -0800 (PST) Received: from mga06.intel.com (mga06.intel.com. [134.134.136.31]) by mx.google.com with ESMTPS id q10si15556228pll.221.2018.12.12.13.05.55 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 12 Dec 2018 13:05:55 -0800 (PST) From: "Edgecombe, Rick P" Subject: Re: [PATCH v2 4/4] x86/vmalloc: Add TLB efficient x86 arch_vunmap Date: Wed, 12 Dec 2018 21:05:52 +0000 Message-ID: <2604df8fb817d8f0c38f572f4fb184db36554bed.camel@intel.com> References: <20181212000354.31955-1-rick.p.edgecombe@intel.com> <20181212000354.31955-5-rick.p.edgecombe@intel.com> <90B10050-0CF1-48B2-B671-508FB092C2FE@vmware.com> In-Reply-To: <90B10050-0CF1-48B2-B671-508FB092C2FE@vmware.com> Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-ID: <792665CDB5A0EF4E8075F61D4024023D@intel.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: owner-linux-mm@kvack.org List-ID: To: "namit@vmware.com" Cc: "linux-kernel@vger.kernel.org" , "daniel@iogearbox.net" , "jeyu@kernel.org" , "rostedt@goodmis.org" , "ast@kernel.org" , "ard.biesheuvel@linaro.org" , "linux-mm@kvack.org" , "jannh@google.com" , "Dock, Deneen T" , "kristen@linux.intel.com" , "akpm@linux-foundation.org" , "will.deacon@arm.com" , "mingo@redhat.com" , "luto@kernel.org" , "kernel-hardening@lists.openwall.com" , "Keshavamurthy, Anil S" , "mhiramat@kernel.org" , "naveen.n.rao@linux.vnet.ibm.com" , "davem@davemloft.net" , "netdev@vger.kernel.org" , "Hansen, Dave" T24gV2VkLCAyMDE4LTEyLTEyIGF0IDA2OjMwICswMDAwLCBOYWRhdiBBbWl0IHdyb3RlOg0KPiA+ IE9uIERlYyAxMSwgMjAxOCwgYXQgNDowMyBQTSwgUmljayBFZGdlY29tYmUgPHJpY2sucC5lZGdl Y29tYmVAaW50ZWwuY29tPg0KPiA+IHdyb3RlOg0KPiA+IA0KPiA+IFRoaXMgYWRkcyBhIG1vcmUg ZWZmaWNpZW50IHg4NiBhcmNoaXRlY3R1cmUgc3BlY2lmaWMgaW1wbGVtZW50YXRpb24gb2YNCj4g PiBhcmNoX3Z1bm1hcCwgdGhhdCBjYW4gZnJlZSBhbnkgdHlwZSBvZiBzcGVjaWFsIHBlcm1pc3Np b24gbWVtb3J5IHdpdGggb25seSAxDQo+ID4gVExCDQo+ID4gZmx1c2guDQo+ID4gDQo+ID4gSW4g b3JkZXIgdG8gZW5hYmxlIHRoaXMsIF9zZXRfcGFnZXNfcCBhbmQgX3NldF9wYWdlc19ucCBhcmUg bWFkZSBub24tc3RhdGljDQo+ID4gYW5kDQo+ID4gcmVuYW1lZCBzZXRfcGFnZXNfcF9ub2ZsdXNo IGFuZCBzZXRfcGFnZXNfbnBfbm9mbHVzaCB0byBiZXR0ZXIgY29tbXVuaWNhdGUNCj4gPiB0aGVp ciBkaWZmZXJlbnQgKG5vbi1mbHVzaGluZykgYmVoYXZpb3IgZnJvbSB0aGUgcmVzdCBvZiB0aGUg c2V0X3BhZ2VzXyoNCj4gPiBmdW5jdGlvbnMuDQo+ID4gDQo+ID4gVGhlIG1ldGhvZCBmb3IgZG9p bmcgdGhpcyB3aXRoIG9ubHkgMSBUTEIgZmx1c2ggd2FzIHN1Z2dlc3RlZCBieSBBbmR5DQo+ID4g THV0b21pcnNraS4NCj4gPiANCj4gDQo+IFtzbmlwXQ0KPiANCj4gPiArCS8qDQo+ID4gKwkgKiBJ ZiB0aGUgdm0gYmVpbmcgZnJlZWQgaGFzIHNlY3VyaXR5IHNlbnNpdGl2ZSBjYXBhYmlsaXRpZXMg c3VjaCBhcw0KPiA+ICsJICogZXhlY3V0YWJsZSB3ZSBuZWVkIHRvIG1ha2Ugc3VyZSB0aGVyZSBp cyBubyBXIHdpbmRvdyBvbiB0aGUgZGlyZWN0bWFwDQo+ID4gKwkgKiBiZWZvcmUgcmVtb3Zpbmcg dGhlIFggaW4gdGhlIFRMQi4gU28gd2Ugc2V0IG5vdCBwcmVzZW50IGZpcnN0IHNvIHdlDQo+ID4g KwkgKiBjYW4gZmx1c2ggd2l0aG91dCBhbnkgb3RoZXIgQ1BVIHBpY2tpbmcgdXAgdGhlIG1hcHBp bmcuIFRoZW4gd2UgcmVzZXQNCj4gPiArCSAqIFJXK1Agd2l0aG91dCBhIGZsdXNoLCBzaW5jZSBO UCBwcmV2ZW50ZWQgaXQgZnJvbSBiZWluZyBjYWNoZWQgYnkNCj4gPiArCSAqIG90aGVyIGNwdXMu DQo+ID4gKwkgKi8NCj4gPiArCXNldF9hcmVhX2RpcmVjdF9ucChhcmVhKTsNCj4gPiArCXZtX3Vu bWFwX2FsaWFzZXMoKTsNCj4gDQo+IERvZXMgdm1fdW5tYXBfYWxpYXNlcygpIGZsdXNoIGluIHRo ZSBUTEIgdGhlIGRpcmVjdCBtYXBwaW5nIHJhbmdlIGFzIHdlbGw/IEkNCj4gY2FuIG9ubHkgZmlu ZCB0aGUgZmx1c2ggb2YgdGhlIHZtYWxsb2MgcmFuZ2UuDQpIbW1tLiBJdCBzaG91bGQgdXN1YWxs eSAoSSB0ZXN0ZWQpLCBidXQgbm93IEkgd29uZGVyIGlmIHRoZXJlIGFyZSBjYXNlcyB3aGVyZSBp dA0KZG9lc24ndCBhbmQgaXQgY291bGQgZGVwZW5kIG9uIGFyY2hpdGVjdHVyZSBhcyB3ZWxsLiBJ J2xsIGhhdmUgdG8gdHJhY2UgdGhyb3VnaA0KdGhpcyB0byB2ZXJpZnksIHRoYW5rcy4NCg0KUmlj aw0K