From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Bergmann Subject: Re: [RFC, PATCHv2 29/29] mm, x86: introduce RLIMIT_VADDR Date: Mon, 02 Jan 2017 09:44:46 +0100 Message-ID: <2736959.3MfCab47fD@wuerfel> References: <20161227015413.187403-1-kirill.shutemov@linux.intel.com> <20161227015413.187403-30-kirill.shutemov@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20161227015413.187403-30-kirill.shutemov@linux.intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: "Kirill A. Shutemov" Cc: linux-arch@vger.kernel.org, Andi Kleen , Catalin Marinas , linux-mm@kvack.org, linux-api@vger.kernel.org, x86@kernel.org, Will Deacon , linux-kernel@vger.kernel.org, Andy Lutomirski , Dave Hansen , Ingo Molnar , "H. Peter Anvin" , Andrew Morton , Linus Torvalds , Thomas Gleixner , linux-arm-kernel@lists.infradead.org List-Id: linux-api@vger.kernel.org T24gVHVlc2RheSwgRGVjZW1iZXIgMjcsIDIwMTYgNDo1NDoxMyBBTSBDRVQgS2lyaWxsIEEuIFNo dXRlbW92IHdyb3RlOgo+IFRoaXMgcGF0Y2ggaW50cm9kdWNlcyBuZXcgcmxpbWl0IHJlc291cmNl IHRvIG1hbmFnZSBtYXhpbXVtIHZpcnR1YWwKPiBhZGRyZXNzIGF2YWlsYWJsZSB0byB1c2Vyc3Bh Y2UgdG8gbWFwLgo+IAo+IE9uIHg4NiwgNS1sZXZlbCBwYWdpbmcgZW5hYmxlcyA1Ni1iaXQgdXNl cnNwYWNlIHZpcnR1YWwgYWRkcmVzcyBzcGFjZS4KPiBOb3QgYWxsIHVzZXIgc3BhY2UgaXMgcmVh ZHkgdG8gaGFuZGxlIHdpZGUgYWRkcmVzc2VzLiBJdCdzIGtub3duIHRoYXQKPiBhdCBsZWFzdCBz b21lIEpJVCBjb21waWxlcnMgdXNlIGhpZ2ggYml0IGluIHBvaW50ZXJzIHRvIGVuY29kZSB0aGVp cgo+IGluZm9ybWF0aW9uLiBJdCBjb2xsaWRlcyB3aXRoIHZhbGlkIHBvaW50ZXJzIHdpdGggNS1s ZXZlbCBwYWdpbmcgYW5kCj4gbGVhZHMgdG8gY3Jhc2hlcy4KPiAKPiBUaGUgcGF0Y2ggYWltcyB0 byBhZGRyZXNzIHRoaXMgY29tcGF0aWJpbGl0eSBpc3N1ZS4KPiAKPiBNTSB3b3VsZCB1c2UgbWlu KFJMSU1JVF9WQUREUiwgVEFTS19TSVpFKSBhcyB1cHBlciBsaW1pdCBvZiB2aXJ0dWFsCj4gYWRk cmVzcyBhdmFpbGFibGUgdG8gbWFwIGJ5IHVzZXJzcGFjZS4KPiAKPiBUaGUgZGVmYXVsdCBoYXJk IGxpbWl0IHdpbGwgYmUgUkxJTV9JTkZJTklUWSwgd2hpY2ggYmFzaWNhbGx5IG1lYW5zIHRoYXQK PiBUQVNLX1NJWkUgbGltaXRzIGF2YWlsYWJsZSBhZGRyZXNzIHNwYWNlLgo+IAo+IFRoZSBzb2Z0 IGxpbWl0IHdpbGwgYWxzbyBiZSBSTElNX0lORklOSVRZIGV2ZXJ5d2hlcmUsIGJ1dCB0aGUgbWFj aGluZQo+IHdpdGggNS1sZXZlbCBwYWdpbmcgZW5hYmxlZC4gSW4gdGhpcyBjYXNlLCBzb2Z0IGxp bWl0IHdvdWxkIGJlCj4gKDFVTCA8PCA0NykgLSBQQUdFX1NJWkUuIEl04oCZcyBjdXJyZW50IHg4 Ni02NCBUQVNLX1NJWkVfTUFYIHdpdGggNC1sZXZlbAo+IHBhZ2luZyB3aGljaCBrbm93biB0byBi ZSBzYWZlCj4gCj4gTmV3IHJsaW1pdCByZXNvdXJjZSB3b3VsZCBmb2xsb3cgdXN1YWwgc2VtYW50 aWNzIHdpdGggcmVnYXJkcyB0bwo+IGluaGVyaXRhbmNlOiBwcmVzZXJ2ZWQgb24gZm9yaygyKSBh bmQgZXhlYygyKS4gVGhpcyBoYXMgcG90ZW50aWFsIHRvCj4gYnJlYWsgYXBwbGljYXRpb24gaWYg bGltaXRzIHNldCB0b28gd2lkZSBvciB0b28gbmFycm93LCBidXQgdGhpcyBpcyBub3QKPiB1bmNv bW1vbiBmb3Igb3RoZXIgcmVzb3VyY2VzIChjb25zaWRlciBSTElNSVRfREFUQSBvciBSTElNSVRf QVMpLgo+IAo+IEFzIHdpdGggb3RoZXIgcmVzb3VyY2VzIHlvdSBjYW4gc2V0IHRoZSBsaW1pdCBs b3dlciB0aGFuIGN1cnJlbnQgdXNhZ2UuCj4gSXQgd291bGQgYWZmZWN0IG9ubHkgZnV0dXJlIHZp cnR1YWwgYWRkcmVzcyBzcGFjZSBhbGxvY2F0aW9ucy4KPiAKPiBVc2UtY2FzZXMgZm9yIG5ldyBy bGltaXQ6Cj4gCj4gICAtIEJ1bXBpbmcgdGhlIHNvZnQgbGltaXQgdG8gUkxJTV9JTkZJTklUWSwg YWxsb3dzIGN1cnJlbnQgcHJvY2VzcyBhbGwKPiAgICAgaXRzIGNoaWxkcmVuIHRvIHVzZSBhZGRy ZXNzZXMgYWJvdmUgNDctYml0cy4KPiAKPiAgIC0gQnVtcGluZyB0aGUgc29mdCBsaW1pdCB0byBS TElNX0lORklOSVRZIGFmdGVyIGZvcmsoMiksIGJ1dCBiZWZvcmUKPiAgICAgZXhlYygyKSBhbGxv d3MgdGhlIGNoaWxkIHRvIHVzZSBhZGRyZXNzZXMgYWJvdmUgNDctYml0cy4KPiAKPiAgIC0gTG93 ZXJpbmcgdGhlIGhhcmQgbGltaXQgdG8gNDctYml0cyB3b3VsZCBwcmV2ZW50IGN1cnJlbnQgcHJv Y2VzcyBhbGwKPiAgICAgaXRzIGNoaWxkcmVuIHRvIHVzZSBhZGRyZXNzZXMgYWJvdmUgNDctYml0 cywgdW5sZXNzIGEgcHJvY2VzcyBoYXMKPiAgICAgQ0FQX1NZU19SRVNPVVJDRVMuCj4gCj4gICAt IEl04oCZcyBhbHNvIGNhbiBiZSBoYW5keSB0byBsb3dlciBoYXJkIG9yIHNvZnQgbGltaXQgdG8g YXJiaXRyYXJ5Cj4gICAgIGFkZHJlc3MuIFVzZXItbW9kZSBlbXVsYXRpb24gaW4gUUVNVSBtYXkg bG93ZXIgdGhlIGxpbWl0IHRvIDMyLWJpdAo+ICAgICB0byBlbXVsYXRlIDMyLWJpdCBtYWNoaW5l IG9uIDY0LWJpdCBob3N0Lgo+IAo+IFRPRE86Cj4gICAtIHBvcnQgdG8gbm9uLXg4NjsKPiAKPiBO b3QteWV0LXNpZ25lZC1vZmYtYnk6IEtpcmlsbCBBLiBTaHV0ZW1vdiA8a2lyaWxsLnNodXRlbW92 QGxpbnV4LmludGVsLmNvbT4KPiBDYzogbGludXgtYXBpQHZnZXIua2VybmVsLm9yZwoKVGhpcyBz ZWVtcyB0byBuaWNlbHkgYWRkcmVzcyB0aGUgc2FtZSBwcm9ibGVtIG9uIGFybTY0LCB3aGljaCBo YXMKcnVuIGludG8gdGhlIHNhbWUgaXNzdWUgZHVlIHRvIHRoZSB2YXJpb3VzIHBhZ2UgdGFibGUg Zm9ybWF0cwp0aGF0IGNhbiBjdXJyZW50bHkgYmUgY2hvc2VuIGF0IGNvbXBpbGUgdGltZS4KCkkg ZG9uJ3Qgc2VlIGhvdyB0aGlzIGludGVyYWN0cyB3aXRoIHRoZSBleGlzdGluZwpQRVJfTElOVVgz Mi9QRVJfTElOVVgzMl8zR0IgcGVyc29uYWxpdHkgZmxhZ3MsIGJ1dCBJIGFzc3VtZSB5b3UgaGF2 ZQplaXRoZXIgYWxyZWFkeSB0aG91Z2h0IG9mIHRoYXQsIG9yIHdlIGNhbiBjb21lIHVwIHdpdGgg YSBnb29kIHdheQp0byBkZWZpbmUgd2hhdCBoYXBwZW5zIHdoZW4gY29uZmxpY3Rpbmcgc2V0dGlu Z3MgYXJlIGFwcGxpZWQuCgpUaGUgdHdvIHJlYXNvbmFibGUgd2F5cyBJIGNhbiB0aGluayBvZiBh cmUgdG8gZWl0aGVyIHVzZSB0aGUKbWluaW11bSBvZiB0aGUgdHdvIGxpbWl0cywgb3IgdG8gbWFr ZSB0aGUgcGVyc29uYWxpdHkgc3lzY2FsbApzZXQgdGhlIHNvZnQgcmxpbWl0IGFuZCB1c2Ugd2hh dGV2ZXIgbGltaXQgd2FzIGxhc3Qgc2V0LgoKCUFybmQKCl9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4LWFybS1rZXJuZWwgbWFpbGluZyBsaXN0Cmxp bnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFk Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1rZXJuZWwK