From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michal Hocko Subject: Re: [RFC PATCH] mm, oom: distinguish blockable mode for mmu notifiers Date: Mon, 25 Jun 2018 10:01:03 +0200 Message-ID: <20180625080103.GB28965__19321.3486149491$1529913593$gmane$org@dhcp22.suse.cz> References: <20180622150242.16558-1-mhocko@kernel.org> <0aa9f695-5702-6704-9462-7779cbfdb3fd@amd.com> <20180622152444.GC10465@dhcp22.suse.cz> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from all-amaz-eas1.inumbo.com ([34.197.232.57]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1fXMQu-0006wP-Re for xen-devel@lists.xenproject.org; Mon, 25 Jun 2018 08:01:08 +0000 Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Felix Kuehling Cc: kvm@vger.kernel.org, Radim =?utf-8?B?S3LEjW3DocWZ?= , David Airlie , Joonas Lahtinen , Sudeep Dutt , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, Andrea Arcangeli , "David (ChunMing) Zhou" , Dimitri Sivanich , linux-rdma@vger.kernel.org, amd-gfx@lists.freedesktop.org, Jason Gunthorpe , Doug Ledford , David Rientjes , xen-devel@lists.xenproject.org, intel-gfx@lists.freedesktop.org, Jani Nikula , =?iso-8859-1?B?Suly9G1l?= Glisse , Rodrigo Vivi , Boris Ostrovsky , Juergen Gross , Mike Marciniszyn , Dennis List-Id: xen-devel@lists.xenproject.org T24gRnJpIDIyLTA2LTE4IDE2OjA5OjA2LCBGZWxpeCBLdWVobGluZyB3cm90ZToKPiBPbiAyMDE4 LTA2LTIyIDExOjI0IEFNLCBNaWNoYWwgSG9ja28gd3JvdGU6Cj4gPiBPbiBGcmkgMjItMDYtMTgg MTc6MTM6MDIsIENocmlzdGlhbiBLw7ZuaWcgd3JvdGU6Cj4gPj4gSGkgTWljaGFsLAo+ID4+Cj4g Pj4gW0FkZGluZyBGZWxpeCBhcyB3ZWxsXQo+ID4+Cj4gPj4gV2VsbCBmaXJzdCBvZiBhbGwgeW91 IGhhdmUgYSBtaXNjb25jZXB0aW9uIHdoeSBhdCBsZWFzdCB0aGUgQU1EIGdyYXBoaWNzCj4gPj4g ZHJpdmVyIG5lZWQgdG8gYmUgYWJsZSB0byBzbGVlcCBpbiBhbiBNTVUgbm90aWZpZXI6IFdlIG5l ZWQgdG8gc2xlZXAgYmVjYXVzZQo+ID4+IHdlIG5lZWQgdG8gd2FpdCBmb3IgaGFyZHdhcmUgb3Bl cmF0aW9ucyB0byBmaW5pc2ggYW5kICpOT1QqIGJlY2F1c2Ugd2UgbmVlZAo+ID4+IHRvIHdhaXQg Zm9yIGxvY2tzLgo+ID4+Cj4gPj4gSSdtIG5vdCBzdXJlIGlmIHlvdXIgZmxhZyBub3cgbWVhbnMg dGhhdCB5b3UgZ2VuZXJhbGx5IGNhbid0IHNsZWVwIGluIE1NVQo+ID4+IG5vdGlmaWVycyBhbnkg bW9yZSwgYnV0IGlmIHRoYXQncyB0aGUgY2FzZSBhdCBsZWFzdCBBTUQgaGFyZHdhcmUgd2lsbCBi cmVhawo+ID4+IGJhZGx5LiBJbiBvdXIgY2FzZSB0aGUgYXBwcm9hY2ggb2Ygd2FpdGluZyBmb3Ig YSBzaG9ydCB0aW1lIGZvciB0aGUgcHJvY2Vzcwo+ID4+IHRvIGJlIHJlYXBlZCBhbmQgdGhlbiBz ZWxlY3QgYW5vdGhlciB2aWN0aW0gYWN0dWFsbHkgc291bmRzIGxpa2UgdGhlIHJpZ2h0Cj4gPj4g dGhpbmcgdG8gZG8uCj4gPiBXZWxsLCBJIGRvIG5vdCBuZWVkIHRvIG1ha2UgdGhlIG5vdGlmaWVy IGNvZGUgbm9uIGJsb2NraW5nIGFsbCB0aGUgdGltZS4KPiA+IEFsbCBJIG5lZWQgaXMgdG8gZW5z dXJlIHRoYXQgaXQgd29uJ3Qgc2xlZXAgaWYgdGhlIGZsYWcgc2F5cyBzbyBhbmQKPiA+IHJldHVy biAtRUFHQUlOIGluc3RlYWQuCj4gPgo+ID4gU28gaGVyZSBpcyB3aGF0IEkgZG8gZm9yIGFtZGdw dToKPiAKPiBJbiB0aGUgY2FzZSBvZiBLRkQgd2UgYWxzbyBuZWVkIHRvIHRha2UgdGhlIERRTSBs b2NrOgo+IAo+IGFtZGdwdV9tbl9pbnZhbGlkYXRlX3JhbmdlX3N0YXJ0X2hzYSAtPiBhbWRncHVf YW1ka2ZkX2V2aWN0X3VzZXJwdHIgLT4KPiBrZ2Qya2ZkX3F1aWVzY2VfbW0gLT4ga2ZkX3Byb2Nl c3NfZXZpY3RfcXVldWVzIC0+IGV2aWN0X3Byb2Nlc3NfcXVldWVzX2Nwc2NoCj4gCj4gU28gd2Un ZCBuZWVkIHRvIHBhc3MgdGhlIGJsb2NrYWJsZSBwYXJhbWV0ZXIgYWxsIHRoZSB3YXkgdGhyb3Vn aCB0aGF0Cj4gY2FsbCBjaGFpbi4KClRoYW5rcywgSSBoYXZlIG1pc3NlZCB0aGF0IHBhcnQuIFNv IEkgZ3Vlc3MgSSB3aWxsIHN0YXJ0IHdpdGggc29tZXRoaW5nCnNpbWlsYXIgdG8gaW50ZWwtZ2Z4 IGFuZCBiYWNrIG9mZiB3aGVuIHRoZSBjdXJyZW50IHJhbmdlIG5lZWRzIHNvbWUKdHJlYXRtZW50 LiBTbyB0aGlzIG9uIHRvcC4gRG9lcyBpdCBsb29rIGNvcnJlY3Q/CgpkaWZmIC0tZ2l0IGEvZHJp dmVycy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1X21uLmMgYi9kcml2ZXJzL2dwdS9kcm0vYW1k L2FtZGdwdS9hbWRncHVfbW4uYwppbmRleCBkMTM4YTUyNmZlZmYuLmUyZDQyMmIzZWIwYiAxMDA2 NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1X21uLmMKKysrIGIvZHJp dmVycy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1X21uLmMKQEAgLTI2Niw2ICsyNjYsMTEgQEAg c3RhdGljIGludCBhbWRncHVfbW5faW52YWxpZGF0ZV9yYW5nZV9zdGFydF9oc2Eoc3RydWN0IG1t dV9ub3RpZmllciAqbW4sCiAJCXN0cnVjdCBhbWRncHVfbW5fbm9kZSAqbm9kZTsKIAkJc3RydWN0 IGFtZGdwdV9ibyAqYm87CiAKKwkJaWYgKCFibG9ja2FibGUpIHsKKwkJCWFtZGdwdV9tbl9yZWFk X3VubG9jaygpOworCQkJcmV0dXJuIC1FQUdBSU47CisJCX0KKwogCQlub2RlID0gY29udGFpbmVy X29mKGl0LCBzdHJ1Y3QgYW1kZ3B1X21uX25vZGUsIGl0KTsKIAkJaXQgPSBpbnRlcnZhbF90cmVl X2l0ZXJfbmV4dChpdCwgc3RhcnQsIGVuZCk7CiAKLS0gCk1pY2hhbCBIb2NrbwpTVVNFIExhYnMK Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZl bCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlz dHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=