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[192.162.217.181]) by mx.google.com with ESMTPS id x195si8715322lff.227.2016.09.26.08.05.47 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 26 Sep 2016 08:05:48 -0700 (PDT) From: David Laight Subject: RE: [PATCH v2] fs/select: add vmalloc fallback for select(2) Date: Mon, 26 Sep 2016 15:02:50 +0000 Message-ID: <063D6719AE5E284EB5DD2968C1650D6DB0109D2D@AcuExch.aculab.com> References: <20160922164359.9035-1-vbabka@suse.cz> <1474562982.23058.140.camel@edumazet-glaptop3.roam.corp.google.com> <12efc491-a0e7-1012-5a8b-6d3533c720db@suse.cz> <1474564068.23058.144.camel@edumazet-glaptop3.roam.corp.google.com> <063D6719AE5E284EB5DD2968C1650D6DB0107DC8@AcuExch.aculab.com> <3bbcc269-ec8b-12dd-e0ae-190c18bc3f47@suse.cz> <063D6719AE5E284EB5DD2968C1650D6DB0107FEB@AcuExch.aculab.com> <5bb958c9-542e-e86b-779c-e3d93dc01632@suse.cz> In-Reply-To: <5bb958c9-542e-e86b-779c-e3d93dc01632@suse.cz> Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: owner-linux-mm@kvack.org List-ID: To: 'Vlastimil Babka' , Eric Dumazet Cc: Alexander Viro , Andrew Morton , "linux-fsdevel@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , Michal Hocko , "netdev@vger.kernel.org" , Linux API , "linux-man@vger.kernel.org" RnJvbTogVmxhc3RpbWlsIEJhYmthDQo+IFNlbnQ6IDI2IFNlcHRlbWJlciAyMDE2IDExOjAyDQo+ IE9uIDA5LzIzLzIwMTYgMDM6MzUgUE0sIERhdmlkIExhaWdodCB3cm90ZToNCj4gPiBGcm9tOiBW bGFzdGltaWwgQmFia2ENCj4gPj4gU2VudDogMjMgU2VwdGVtYmVyIDIwMTYgMTA6NTkNCj4gPiAu Li4NCj4gPj4gPiBJIHN1c3BlY3QgdGhhdCBmZHQtPm1heF9mZHMgaXMgYW4gdXBwZXIgYm91bmQg Zm9yIHRoZSBoaWdoZXN0IGZkIHRoZQ0KPiA+PiA+IHByb2Nlc3MgaGFzIG9wZW4gLSBub3QgdGhl IFJMSU1JVF9OT0ZJTEUgdmFsdWUuDQo+ID4+DQo+ID4+IEkgZ2F0aGVyZWQgdGhhdCB0aGUgaGln aGVzdCBmZCBlZmZlY3RpdmVseSBsaW1pdHMgdGhlIG51bWJlciBvZiBmaWxlcywNCj4gPj4gc28g aXQncyB0aGUgc2FtZS4gSSBtaWdodCBiZSB3cm9uZy4NCj4gPg0KPiA+IEFuIGFwcGxpY2F0aW9u IGNhbiByZWR1Y2UgUkxJTUlUX05PRklMRSBiZWxvdyB0aGF0IG9mIGFuIG9wZW4gZmlsZS4NCj4g DQo+IE9LLCBJIGRpZCBzb21lIG1vcmUgZGlnZ2luZyBpbiB0aGUgY29kZSwgYW5kIG15IHVuZGVy c3RhbmRpbmcgaXMgdGhhdDoNCj4gDQo+IC0gZmR0LT5tYXhfZmRzIGlzIHRoZSBjdXJyZW50IHNp emUgb2YgdGhlIGZkdGFibGUsIHdoaWNoIGlzbid0IGFsbG9jYXRlZCB1cGZyb250DQo+IHRvIG1h dGNoIHRoZSBsaW1pdCwgYnV0IGdyb3dzIGFzIG5lZWRlZC4gVGhpcyBtZWFucyBpdCdzIE9LIGZv cg0KPiBjb3JlX3N5c19zZWxlY3QoKSB0byBzaWxlbnRseSBjYXAgbmZkcywgYXMgaXQga25vd3Mg dGhlcmUgYXJlIG5vIGZkJ3Mgd2l0aA0KPiBoaWdoZXIgbnVtYmVyIGluIHRoZSBmZHRhYmxlLCBz byBpdCdzIGEgcGVyZm9ybWFuY2Ugb3B0aW1pemF0aW9uLg0KDQpOb3QgZW50aXJlbHksIGlmIGFu eSBiaXRzIGFyZSBzZXQgZm9yIGZkIGFib3ZlIGZkdC0+bWF4X2ZkcyB0aGVuIHNlbGVjdCgpDQpj YWxsIHNob3VsZCBmYWlsIC0gZmQgbm90IG9wZW4uDQoNCj4gSG93ZXZlciwgdG8NCj4gbWF0Y2gg d2hhdCB0aGUgbWFucGFnZSBzYXlzLCB0aGVyZSBzaG91bGQgYmUgYW5vdGhlciBjaGVjayBhZ2Fp bnN0IFJMSU1JVF9OT0ZJTEUNCj4gdG8gcmV0dXJuIC1FSU5WQUwsIHdoaWNoIHRoZXJlIGlzbid0 LCBBRkFJQ1MuDQo+IA0KPiAtIGZkdGFibGUgaXMgZXhwYW5kZWQgKGFuZCBmZHQtPm1heF9mZHMg YnVtcGVkKSBieQ0KPiBleHBhbmRfZmlsZXMoKS0+ZXhwYW5kX2ZkdGFibGUoKSB3aGljaCBjaGVj a3MgYWdhaW5zdCBmcy5ucl9vcGVuIHN5c2N0bCwgd2hpY2gNCj4gc2VlbXMgdG8gYmUgMTA0ODU3 NiB3aGVyZSBJIGNoZWNrZWQuDQo+IA0KPiAtIGNhbGxlcnMgb2YgZXhwYW5kX2ZpbGVzKCksIHN1 Y2ggYXMgZHVwKCksIGNoZWNrIHRoZSBybGltaXQoUkxJTUlUX05PRklMRSkgdG8NCj4gbGltaXQg dGhlIGV4cGFuc2lvbi4NCj4gDQo+IFNvIHllYWgsIGFwcGxpY2F0aW9uIGNhbiByZWR1Y2UgUkxJ TUlUX05PRklMRSwgYnV0IGl0IGhhcyBubyBlZmZlY3Qgb24gZmR0YWJsZQ0KPiBhbmQgZmR0LT5t YXhfZmRzIHRoYXQgaXMgYWxyZWFkeSBhYm92ZSB0aGUgbGltaXQuIFNlbGVjdCBzeXNjYWxsIHdv dWxkIGhhdmUgdG8NCj4gY2hlY2sgdGhlIHJsaW1pdCB0byBjb25mb3JtIHRvIHRoZSBtYW5wYWdl LiBPciAocmF0aGVyPykgd2Ugc2hvdWxkIGZpeCB0aGUgbWFucGFnZS4NCg0KSSB0aGluayB0aGUg bWFucGFnZSBzaG91bGQgYmUgZml4ZWQgKGRlbGV0ZSB0aGF0IGNsYXVzZSkuDQpUaGVuIGFkZCBj b2RlIHRvIHRoZSBzeXN0ZW0gY2FsbCB0byBzY2FuIHRoZSBoaWdoIGJpdCBzZXRzIChhYm92ZSBm ZHQtPm1heF9mZHMpDQpmb3IgYW55IG5vbi16ZXJvIGJ5dGVzLiBUaGlzIGNhbiBiZSBkb25lIGlu dG8gYSBzbWFsbCBidWZmZXIuDQoNCj4gQXMgZm9yIHRoZSBvcmlnaW5hbCB2bWFsbG9jKCkgZmxv b2QgY29uY2VybiwgSSBzdGlsbCB0aGluayB3ZSdyZSBzYWZlLCBhcw0KPiBvcmRpbmFyeSB1c2Vy cyBhcmUgbGltaXRlZCBieSBSTElNSVRfTk9GSUxFIHdheSBiZWxvdyBzaXplcyB0aGF0IHdvdWxk IG5lZWQNCj4gdm1hbGxvYygpLCBhbmQgcm9vdCBoYXMgbWFueSBvdGhlciBvcHRpb25zIHRvIERP UyB0aGUgc3lzdGVtIChvciB3b3JzZSkuDQoNClNvbWUgcHJvY2Vzc2VzIG5lZWQgdmVyeSBoaWdo IG51bWJlcnMgb2YgZmQuDQpMaWtlbHkgdGhleSBkb24ndCB1c2Ugc2VsZWN0KCkgb24gdGhlbSwg YnV0IHRyYXNoaW5nIHBlcmZvcm1hbmNlIGlmIHRoZXkNCmRvIGlzIGEgYml0IHNpbGx5Lg0KVHJ5 aW5nIHRvIHNsaXQgdGhlIDMgbWFza3MgZmlyc3Qgc2VlbXMgc2Vuc2libGUuDQoNCglEYXZpZA0K DQo= -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. 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