From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: [PATCH RFC] vmalloc/vzalloc: Add memflags parameter. Date: Tue, 3 Nov 2015 12:39:47 +0000 Message-ID: <1446554387.10390.20.camel@citrix.com> References: <1446484327-17865-1-git-send-email-konrad.wilk@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZtasX-00086m-2E for xen-devel@lists.xenproject.org; Tue, 03 Nov 2015 12:39:57 +0000 In-Reply-To: <1446484327-17865-1-git-send-email-konrad.wilk@oracle.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Konrad Rzeszutek Wilk , xen-devel@lists.xenproject.org, andrew.cooper3@citrix.com, jbeulich@suse.com List-Id: xen-devel@lists.xenproject.org T24gTW9uLCAyMDE1LTExLTAyIGF0IDEyOjEyIC0wNTAwLCBLb25yYWQgUnplc3p1dGVrIFdpbGsg d3JvdGU6Cj4gQW5kIHVzZSBpdCBhbW9uZ3N0IHRoZSBjYWxsZXJzIG9mIHRoaXMgZnVuY3Rpb24u CgpJIGV4cGVjdCB0aGlzIHdpbGwgYWxzbyBuZWVkIHNvbWUgKGhvcGVmdWxseSB0cml2aWFsKSBj aGFuZ2VzIGZvciBBUk0gdG9vPwoKPiAKPiBTaWduZWQtb2ZmLWJ5OiBLb25yYWQgUnplc3p1dGVr IFdpbGsgPGtvbnJhZC53aWxrQG9yYWNsZS5jb20+Cj4gLS0tCj4gwqB4ZW4vYXJjaC94ODYvbW0v aGFwL2hhcC5jwqDCoMKgwqDCoMKgwqB8IDIgKy0KPiDCoHhlbi9hcmNoL3g4Ni9tbS9zaGFkb3cv Y29tbW9uLmMgfCAyICstCj4gwqB4ZW4vY29tbW9uL2RvbWFpbi5jwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqB8IDIgKy0KPiDCoHhlbi9jb21tb24vZG9tY3RsLmPCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoHwgMiArLQo+IMKgeGVuL2NvbW1vbi9ncmFudF90YWJsZS5jwqDCoMKgwqDCoMKgwqDC oHwgMyArKy0KPiDCoHhlbi9jb21tb24vdm1hcC5jwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgfCA4ICsrKystLS0tCj4gwqB4ZW4vaW5jbHVkZS9hc20teDg2L2RvbWFpbi5owqDCoMKgwqB8 IDQgKystLQo+IMKgeGVuL2luY2x1ZGUveGVuL3ZtYXAuaMKgwqDCoMKgwqDCoMKgwqDCoMKgfCA0 ICsrLS0KPiDCoDggZmlsZXMgY2hhbmdlZCwgMTQgaW5zZXJ0aW9ucygrKSwgMTMgZGVsZXRpb25z KC0pCj4gCj4gZGlmZiAtLWdpdCBhL3hlbi9hcmNoL3g4Ni9tbS9oYXAvaGFwLmMgYi94ZW4vYXJj aC94ODYvbW0vaGFwL2hhcC5jCj4gaW5kZXggZTljMDA4MC4uYWNjNTIxOSAxMDA2NDQKPiAtLS0g YS94ZW4vYXJjaC94ODYvbW0vaGFwL2hhcC5jCj4gKysrIGIveGVuL2FyY2gveDg2L21tL2hhcC9o YXAuYwo+IEBAIC04Niw3ICs4Niw3IEBAIGludCBoYXBfdHJhY2tfZGlydHlfdnJhbShzdHJ1Y3Qg ZG9tYWluICpkLAo+IMKgwqDCoMKgwqDCoMKgwqDCoH0KPiDCoAo+IMKgwqDCoMKgwqDCoMKgwqDC oHJjID0gLUVOT01FTTsKPiAtwqDCoMKgwqDCoMKgwqDCoGRpcnR5X2JpdG1hcCA9IHZ6YWxsb2Mo c2l6ZSk7Cj4gK8KgwqDCoMKgwqDCoMKgwqBkaXJ0eV9iaXRtYXAgPSB2emFsbG9jKHNpemUsIE1F TUZfbm9kZShkb21haW5fdG9fbm9kZShkKSkpOwo+IMKgwqDCoMKgwqDCoMKgwqDCoGlmICggIWRp cnR5X2JpdG1hcCApCj4gwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqBnb3RvIG91dDsKPiDCoAo+ IGRpZmYgLS1naXQgYS94ZW4vYXJjaC94ODYvbW0vc2hhZG93L2NvbW1vbi5jCj4gYi94ZW4vYXJj aC94ODYvbW0vc2hhZG93L2NvbW1vbi5jCj4gaW5kZXggYmFkMzU1Yi4uNDE2OTA4MyAxMDA2NDQK PiAtLS0gYS94ZW4vYXJjaC94ODYvbW0vc2hhZG93L2NvbW1vbi5jCj4gKysrIGIveGVuL2FyY2gv eDg2L21tL3NoYWRvdy9jb21tb24uYwo+IEBAIC0zNDkxLDcgKzM0OTEsNyBAQCBpbnQgc2hhZG93 X3RyYWNrX2RpcnR5X3ZyYW0oc3RydWN0IGRvbWFpbiAqZCwKPiDCoMKgwqDCoMKgaWYgKCAhbnIg KQo+IMKgwqDCoMKgwqDCoMKgwqDCoGdvdG8gb3V0Owo+IMKgCj4gLcKgwqDCoMKgZGlydHlfYml0 bWFwID0gdnphbGxvYyhkaXJ0eV9zaXplKTsKPiArwqDCoMKgwqBkaXJ0eV9iaXRtYXAgPSB2emFs bG9jKGRpcnR5X3NpemUsIE1FTUZfbm9kZShkb21haW5fdG9fbm9kZShkKSkpOwo+IMKgwqDCoMKg wqBpZiAoIGRpcnR5X2JpdG1hcCA9PSBOVUxMICkKPiDCoMKgwqDCoMKgewo+IMKgwqDCoMKgwqDC oMKgwqDCoHJjID0gLUVOT01FTTsKPiBkaWZmIC0tZ2l0IGEveGVuL2NvbW1vbi9kb21haW4uYyBi L3hlbi9jb21tb24vZG9tYWluLmMKPiBpbmRleCBiMDM3OGFhLi41NWE5NGQ0IDEwMDY0NAo+IC0t LSBhL3hlbi9jb21tb24vZG9tYWluLmMKPiArKysgYi94ZW4vY29tbW9uL2RvbWFpbi5jCj4gQEAg LTEyMjMsNyArMTIyMyw3IEBAIGxvbmcgZG9fdmNwdV9vcChpbnQgY21kLCB1bnNpZ25lZCBpbnQg dmNwdWlkLAo+IFhFTl9HVUVTVF9IQU5ETEVfUEFSQU0odm9pZCkgYXJnKQo+IMKgwqDCoMKgwqDC oMKgwqDCoGlmICggdi0+dmNwdV9pbmZvID09ICZkdW1teV92Y3B1X2luZm8gKQo+IMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgcmV0dXJuIC1FSU5WQUw7Cj4gwqAKPiAtwqDCoMKgwqDCoMKgwqDC oGlmICggKGN0eHQgPSBhbGxvY192Y3B1X2d1ZXN0X2NvbnRleHQoKSkgPT0gTlVMTCApCj4gK8Kg wqDCoMKgwqDCoMKgwqBpZiAoIChjdHh0ID0KPiBhbGxvY192Y3B1X2d1ZXN0X2NvbnRleHQoTUVN Rl9ub2RlKGRvbWFpbl90b19ub2RlKGQpKSkpID09IE5VTEwgKQo+IMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgcmV0dXJuIC1FTk9NRU07Cj4gwqAKPiDCoMKgwqDCoMKgwqDCoMKgwqBpZiAoIGNv cHlfZnJvbV9ndWVzdChjdHh0LCBhcmcsIDEpICkKPiBkaWZmIC0tZ2l0IGEveGVuL2NvbW1vbi9k b21jdGwuYyBiL3hlbi9jb21tb24vZG9tY3RsLmMKPiBpbmRleCA0NmI5NjdlLi5iODc0YjAxIDEw MDY0NAo+IC0tLSBhL3hlbi9jb21tb24vZG9tY3RsLmMKPiArKysgYi94ZW4vY29tbW9uL2RvbWN0 bC5jCj4gQEAgLTQ5Miw3ICs0OTIsNyBAQCBsb25nIGRvX2RvbWN0bChYRU5fR1VFU1RfSEFORExF X1BBUkFNKHhlbl9kb21jdGxfdCkKPiB1X2RvbWN0bCkKPiDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoDwgc2l6ZW9mKHN0cnVjdCBjb21wYXRfdmNwdV9ndWVzdF9j b250ZXh0KSk7Cj4gwqAjZW5kaWYKPiDCoMKgwqDCoMKgwqDCoMKgwqByZXQgPSAtRU5PTUVNOwo+ IC3CoMKgwqDCoMKgwqDCoMKgaWYgKCAoYy5uYXQgPSBhbGxvY192Y3B1X2d1ZXN0X2NvbnRleHQo KSkgPT0gTlVMTCApCj4gK8KgwqDCoMKgwqDCoMKgwqBpZiAoIChjLm5hdCA9Cj4gYWxsb2NfdmNw dV9ndWVzdF9jb250ZXh0KE1FTUZfbm9kZShkb21haW5fdG9fbm9kZShkKSkpKSA9PSBOVUxMICkK PiDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoGJyZWFrOwo+IMKgCj4gwqAjaWZkZWYgQ09ORklH X0NPTVBBVAo+IGRpZmYgLS1naXQgYS94ZW4vY29tbW9uL2dyYW50X3RhYmxlLmMgYi94ZW4vY29t bW9uL2dyYW50X3RhYmxlLmMKPiBpbmRleCBjOTJhYmRhLi5iODYyODZmIDEwMDY0NAo+IC0tLSBh L3hlbi9jb21tb24vZ3JhbnRfdGFibGUuYwo+ICsrKyBiL3hlbi9jb21tb24vZ3JhbnRfdGFibGUu Ywo+IEBAIC0zMjAwLDcgKzMyMDAsOCBAQCBncmFudF90YWJsZV9jcmVhdGUoCj4gwqDCoMKgwqDC oH0KPiDCoAo+IMKgwqDCoMKgwqAvKiBUcmFja2luZyBvZiBtYXBwZWQgZm9yZWlnbiBmcmFtZXMg dGFibGUgKi8KPiAtwqDCoMKgwqB0LT5tYXB0cmFjayA9IHZ6YWxsb2MobWF4X21hcHRyYWNrX2Zy YW1lcyAqIHNpemVvZigqdC0+bWFwdHJhY2spKTsKPiArwqDCoMKgwqB0LT5tYXB0cmFjayA9IHZ6 YWxsb2MobWF4X21hcHRyYWNrX2ZyYW1lcyAqIHNpemVvZigqdC0+bWFwdHJhY2spLAo+ICvCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgTUVNRl9ub2Rl KGRvbWFpbl90b19ub2RlKGQpKSk7Cj4gwqDCoMKgwqDCoGlmICggdC0+bWFwdHJhY2sgPT0gTlVM TCApCj4gwqDCoMKgwqDCoMKgwqDCoMKgZ290byBub19tZW1fMjsKPiDCoAo+IGRpZmYgLS1naXQg YS94ZW4vY29tbW9uL3ZtYXAuYyBiL3hlbi9jb21tb24vdm1hcC5jCj4gaW5kZXggYzU3MjM5Zi4u ZmQyOTViMSAxMDA2NDQKPiAtLS0gYS94ZW4vY29tbW9uL3ZtYXAuYwo+ICsrKyBiL3hlbi9jb21t b24vdm1hcC5jCj4gQEAgLTIxNiw3ICsyMTYsNyBAQCB2b2lkIHZ1bm1hcChjb25zdCB2b2lkICp2 YSkKPiDCoMKgwqDCoMKgdm1fZnJlZSh2YSk7Cj4gwqB9Cj4gwqAKPiAtdm9pZCAqdm1hbGxvYyhz aXplX3Qgc2l6ZSkKPiArdm9pZCAqdm1hbGxvYyhzaXplX3Qgc2l6ZSwgdW5zaWduZWQgaW50IG1l bWZsYWdzKQo+IMKgewo+IMKgwqDCoMKgwqBtZm5fdCAqbWZuOwo+IMKgwqDCoMKgwqBzaXplX3Qg cGFnZXMsIGk7Cj4gQEAgLTIzMiw3ICsyMzIsNyBAQCB2b2lkICp2bWFsbG9jKHNpemVfdCBzaXpl KQo+IMKgCj4gwqDCoMKgwqDCoGZvciAoIGkgPSAwOyBpIDwgcGFnZXM7IGkrKyApCj4gwqDCoMKg wqDCoHsKPiAtwqDCoMKgwqDCoMKgwqDCoHBnID0gYWxsb2NfZG9taGVhcF9wYWdlKE5VTEwsIDAp Owo+ICvCoMKgwqDCoMKgwqDCoMKgcGcgPSBhbGxvY19kb21oZWFwX3BhZ2UoTlVMTCwgbWVtZmxh Z3MpOwo+IMKgwqDCoMKgwqDCoMKgwqDCoGlmICggcGcgPT0gTlVMTCApCj4gwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqBnb3RvIGVycm9yOwo+IMKgwqDCoMKgwqDCoMKgwqDCoG1mbltpXSA9IF9t Zm4ocGFnZV90b19tZm4ocGcpKTsKPiBAQCAtMjUyLDkgKzI1Miw5IEBAIHZvaWQgKnZtYWxsb2Mo c2l6ZV90IHNpemUpCj4gwqDCoMKgwqDCoHJldHVybiBOVUxMOwo+IMKgfQo+IMKgCj4gLXZvaWQg KnZ6YWxsb2Moc2l6ZV90IHNpemUpCj4gK3ZvaWQgKnZ6YWxsb2Moc2l6ZV90IHNpemUsIHVuc2ln bmVkIGludCBtZW1mbGFncykKPiDCoHsKPiAtwqDCoMKgwqB2b2lkICpwID0gdm1hbGxvYyhzaXpl KTsKPiArwqDCoMKgwqB2b2lkICpwID0gdm1hbGxvYyhzaXplLCBtZW1mbGFncyk7Cj4gwqDCoMKg wqDCoGludCBpOwo+IMKgCj4gwqDCoMKgwqDCoGlmICggcCA9PSBOVUxMICkKPiBkaWZmIC0tZ2l0 IGEveGVuL2luY2x1ZGUvYXNtLXg4Ni9kb21haW4uaCBiL3hlbi9pbmNsdWRlL2FzbS14ODYvZG9t YWluLmgKPiBpbmRleCBmMWQ3ZWQ2Li5hOThiZjNiIDEwMDY0NAo+IC0tLSBhL3hlbi9pbmNsdWRl L2FzbS14ODYvZG9tYWluLmgKPiArKysgYi94ZW4vaW5jbHVkZS9hc20teDg2L2RvbWFpbi5oCj4g QEAgLTU3Nyw5ICs1NzcsOSBAQCB2b2lkIGRvbWFpbl9jcHVpZChzdHJ1Y3QgZG9tYWluICpkLAo+ IMKgCj4gwqAjZGVmaW5lIGRvbWFpbl9tYXhfdmNwdXMoZCkgKGlzX2h2bV9kb21haW4oZCkgPyBI Vk1fTUFYX1ZDUFVTIDoKPiBNQVhfVklSVF9DUFVTKQo+IMKgCj4gLXN0YXRpYyBpbmxpbmUgc3Ry dWN0IHZjcHVfZ3Vlc3RfY29udGV4dCAqYWxsb2NfdmNwdV9ndWVzdF9jb250ZXh0KHZvaWQpCj4g K3N0YXRpYyBpbmxpbmUgc3RydWN0IHZjcHVfZ3Vlc3RfY29udGV4dAo+ICphbGxvY192Y3B1X2d1 ZXN0X2NvbnRleHQodW5zaWduZWQgaW50IG1lbWZsYWdzKQo+IMKgewo+IC3CoMKgwqDCoHJldHVy biB2bWFsbG9jKHNpemVvZihzdHJ1Y3QgdmNwdV9ndWVzdF9jb250ZXh0KSk7Cj4gK8KgwqDCoMKg cmV0dXJuIHZtYWxsb2Moc2l6ZW9mKHN0cnVjdCB2Y3B1X2d1ZXN0X2NvbnRleHQpLCBtZW1mbGFn cyk7Cj4gwqB9Cj4gwqAKPiDCoHN0YXRpYyBpbmxpbmUgdm9pZCBmcmVlX3ZjcHVfZ3Vlc3RfY29u dGV4dChzdHJ1Y3QgdmNwdV9ndWVzdF9jb250ZXh0Cj4gKnZnYykKPiBkaWZmIC0tZ2l0IGEveGVu L2luY2x1ZGUveGVuL3ZtYXAuaCBiL3hlbi9pbmNsdWRlL3hlbi92bWFwLmgKPiBpbmRleCA1Njcx YWM4Li5mMjRhMjllIDEwMDY0NAo+IC0tLSBhL3hlbi9pbmNsdWRlL3hlbi92bWFwLmgKPiArKysg Yi94ZW4vaW5jbHVkZS94ZW4vdm1hcC5oCj4gQEAgLTExLDggKzExLDggQEAgdm9pZCAqX192bWFw KGNvbnN0IG1mbl90ICptZm4sIHVuc2lnbmVkIGludAo+IGdyYW51bGFyaXR5LAo+IMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqB1bnNpZ25lZCBpbnQgbnIsIHVuc2lnbmVkIGludCBhbGlnbiwg dW5zaWduZWQgaW50IGZsYWdzKTsKPiDCoHZvaWQgKnZtYXAoY29uc3QgbWZuX3QgKm1mbiwgdW5z aWduZWQgaW50IG5yKTsKPiDCoHZvaWQgdnVubWFwKGNvbnN0IHZvaWQgKik7Cj4gLXZvaWQgKnZt YWxsb2Moc2l6ZV90IHNpemUpOwo+IC12b2lkICp2emFsbG9jKHNpemVfdCBzaXplKTsKPiArdm9p ZCAqdm1hbGxvYyhzaXplX3Qgc2l6ZSwgdW5zaWduZWQgaW50IG1lbWZsYWdzKTsKPiArdm9pZCAq dnphbGxvYyhzaXplX3Qgc2l6ZSwgdW5zaWduZWQgaW50IG1lbWZsYWdzKTsKPiDCoHZvaWQgdmZy ZWUodm9pZCAqdmEpOwo+IMKgCj4gwqB2b2lkIF9faW9tZW0gKmlvcmVtYXAocGFkZHJfdCwgc2l6 ZV90KTsKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhl bi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbi5vcmcKaHR0cDovL2xpc3Rz Lnhlbi5vcmcveGVuLWRldmVsCg==