From mboxrd@z Thu Jan 1 00:00:00 1970 Received: by rv-out-0708.google.com with SMTP id f25so2088183rvb.26 for ; Mon, 04 Aug 2008 09:37:33 -0700 (PDT) Message-ID: <2f11576a0808040937y70f274e0j32f6b9c98b0f992d@mail.gmail.com> Date: Tue, 5 Aug 2008 01:37:33 +0900 From: "KOSAKI Motohiro" Subject: Re: Race condition between putback_lru_page and mem_cgroup_move_list In-Reply-To: <1217863870.7065.62.camel@lts-notebook> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Content-Disposition: inline References: <28c262360808040736u7f364fc0p28d7ceea7303a626@mail.gmail.com> <1217863870.7065.62.camel@lts-notebook> Sender: owner-linux-mm@kvack.org Return-Path: To: Lee Schermerhorn Cc: MinChan Kim , KAMEZAWA Hiroyuki , Balbir Singh , linux-mm , Rik van Riel , LKML List-ID: SGkKCj4+IEkgdGhpbmsgdGhpcyBpcyBhIHJhY2UgY29uZGl0aW9uIGlmIG1lbV9jZ3JvdXBfbW92 ZV9saXN0cydzIGNvbW1lbnQgaXNuJ3QgcmlnaHQuCj4+IEkgYW0gbm90IHN1cmUgdGhhdCBpdCB3 YXMgYWxyZWFkeSBrbm93biBwcm9ibGVtLgo+Pgo+PiBtZW1fY2dyb3VwX21vdmVfbGlzdHMgYXNz dW1lIHRoZSBhcHByb3ByaWF0ZSB6b25lJ3MgbHJ1IGxvY2sgaXMgYWxyZWFkeSBoZWxkLgo+PiBi dXQgcHV0YmFja19scnVfcGFnZSBjYWxscyBtZW1fY2dyb3VwX21vdmVfbGlzdHMgd2l0aG91dCBo b2xkaW5nIGxydV9sb2NrLgo+Cj4gSG1tbSwgdGhlIGNvbW1lbnQgb24gbWVtX2Nncm91cF9tb3Zl X2xpc3RzKCkgZG9lcyBzYXkgdGhpcy4gIEFsdGhvdWdoLAo+IHJlYWRpbmcgdGhydScgdGhlIGNv ZGUsIEkgY2FuJ3Qgc2VlIHdoeSBpdCByZXF1aXJlcyB0aGlzLiAgQnV0IHRoZW4gaXQncwo+IE1v bmRheSwgaGVyZS4uLgoKSSBhbHNvIHRoaW5rIHpvbmUncyBscnUgbG9jayBpcyB1bm5lY2Vzc2Fy eS4KU28sIEkgZ3Vlc3MgYmVsb3cgIml0IiBpbmRpY2F0ZSBsb2NrX3BhZ2VfY2dyb3VwLCBub3Qg em9uZSBscnUgbG9jay4KCiA+PiBCdXQgd2UgY2Fubm90IHNhZmVseSBnZXQgdG8gcGFnZV9jZ3Jv dXAgd2l0aG91dCBpdCwgc28ganVzdCB0cnlfbG9jayBpdDoKCmlmIG15IGFzc3VtcHRpb24gaXMg dHJ1ZSwgY29tbWVudCBtb2RpZnlpbmcgaXMgYmV0dGVyLgoKCj4+IFJlcGVhdGVkbHksIHNwaW5f W3VuL2xvY2tdX2lycSB1c2UgaW4gbWVtX2Nncm91cF9tb3ZlX2xpc3QgaGF2ZSBhIGJpZyBvdmVy aGVhZAo+PiB3aGlsZSBkb2luZyBsaXN0IGl0ZXJhdGlvbi4KPj4KPj4gRG8gd2UgaGF2ZSB0byB1 c2UgcGFnZXZlYyA/Cj4KPiBUaGlzIHNob3VsZG4ndCBiZSBuZWNlc3NhcnksIElNTy4gIHB1dGJh Y2tfbHJ1X3BhZ2UoKSBpcyB1c2VkIGFzCj4gZm9sbG93czoKPgo+IDEpIGluIHZtc2Nhbi5jIFtz aHJpbmtfKl9saXN0KCldIHdoZW4gYW4gdW5ldmljdGFibGUgcGFnZSBpcwo+IGVuY291bnRlcmVk LiAgVGhpcyBzaG91bGQgYmUgcmVsYXRpdmVseSByYXJlLiAgT25jZSB2bXNjYW4gc2VlcyBhbgo+ IHVuZXZpY3RhYmxlIHBhZ2UsIGl0IHBhcmtzIGl0IG9uIHRoZSB1bmV2aWN0YWJsZSBscnUgbGlz dCB3aGVyZSBpdAo+IFt2bXNjYW5dIHdvbid0IHNlZSB0aGUgcGFnZSBhZ2FpbiB1bnRpbCBpdCBi ZWNvbWVzIHJlY2xhaW1hYmxlLgo+Cj4gMikgYXMgYSByZXBsYWNlbWVudCBmb3IgbW92ZV90b19s cnUoKSBpbiBwYWdlIG1pZ3JhdGlvbiBhcyB0aGUgaW52ZXJzZQo+IHRvIGlzb2xhdGVfbHJ1X3Bh Z2UoKS4gIFdlIGRpZCB0aGlzIHRvIGNhdGNoIHBhdGNoZXMgdGhhdCBiZWNhbWUKPiB1bmV2aWN0 YWJsZSBvciwgbW9yZSBpbXBvcnRhbnRseSwgZXZpY3RhYmxlIHdoaWxlIHBhZ2UgbWlncmF0aW9u IGhlbGQKPiB0aGVtIGlzb2xhdGVkLiAgbW92ZV90b19scnUoKSBhbHJlYWR5IGdyYWJiZWQgYW5k IHJlbGVhc2VkIHRoZSB6b25lIGxydQo+IGxvY2sgb24gZWFjaCBwYWdlIG1pZ3JhdGVkLgo+Cj4g MykgSW4gbVt1bl1sb2NrX3ZtYV9wYWdlKCkgYW5kIGNsZWFyX3BhZ2VfbWxvY2soKSwgbmV3IHdp dGggaW4gdGhlCj4gIm1sb2NrZWQgcGFnZXMgYXJlIHVuZXZpY3RhYmxlIiBzZXJpZXMuICBUaGlz IG9uZSBjYW4gcmVzdWx0IGluIGEgc3Rvcm0KPiBvZiB6b25lIGxydSB0cmFmZmljLS1lLmcuLCBt bG9jaygpaW5nIG9yIG11bmxvY2tpbmcoKSBhIGxhcmdlIHNlZ21lbnQgb3IKPiBtbG9ja2FsbCgp IG9mIGEgdGFzayB3aXRoIGEgbG90IG9mIG1hcHBlZCBhZGRyZXNzIHNwYWNlLiAgQWdhaW4sIHRo aXMgaXMKPiBwcm9iYWJseSBhIHZlcnkgcmFyZSBldmVudC0tdW5sZXNzIHlvdSdyZSBzdHJlc3Np bmcgW3N0cmVzc2luZyBvdmVyP10KPiBtbG9jaygpLCBhcyBJJ3ZlIGJlZW4gZG9pbmcgOiktLWFu ZCBvZnRlbiBpbnZvbHZlcyBhIG1ham9yIGZhdWx0IFtwYWdlCj4gYWxsb2NhdGlvbl0sIHBlciBw YWdlIGFueXdheS4KPgo+IEnvu78gb3JpZ2luYWxseSBkaWQgaGF2ZSBhIHBhZ2V2ZWMgZm9yIHRo ZSB1bmV2aWN0YWJsZSBscnUgYnV0IGl0Cj4gY29tcGxpY2F0ZWQgZW5zdXJpbmcgdGhhdCB3ZSBk b24ndCBzdHJhbmQgZXZpY3RhYmxlIHBhZ2VzIG9uIHRoZQo+IHVuZXZpY3RhYmxlIGxpc3QuICBT ZWUgdGhlIHJldHJ5IGxvZ2ljIGluIHB1dGJhY2tfbHJ1X3BhZ2UoKS4KPgo+IEFzIGZvciB0aGUg IVVORVZJQ1RBQkxFX0xSVSB2ZXJzaW9uLCB0aGUgb25seSBwbGFjZSB0aGlzIHNob3VsZCBiZQo+ IGNhbGxlZCBpcyBmcm9tIHBhZ2UgbWlncmF0aW9uIGFzIG5vbmUgb2YgdGhlIG90aGVyIGNhbGwg c2l0ZXMgYXJlCj4gY29tcGlsZWQgaW4gb3IgcmVhY2hhYmxlIHdoZW4gIVVORVZJQ1RBQkxFX0xS VS4KPgo+IFRob3VnaHRzPwoKSSB0aGluayBib3RoIG9waW5pb24gaXMgY29ycmVjdC4KdW5ldmlj dGFibGUgbHJ1IHJlbGF0ZWQgY29kZSBkb2Vzbid0IHJlcXVpcmUgcGFnZXZlYy4KCmJ1dCBtZW1f Y2dyb3VwX21vdmVfbGlzdHMgaXMgdXNlZCBieSBhY3RpdmUvaW5hY3RpdmUgbGlzdCB0cmFuc2l0 aW9uIHRvby4KdGhlbiwgcGFnZXZlYyBpcyBuZWNlc3NhcnkgZm9yIGtlZXBpbmcgcmVjbGFpbSB0 aHJvdXB1dC4KCktpbS1zYW4sIFRoYW5rIHlvdSBuaWNlIHBvaW50IG91dCEKSSBxdWV1ZWQgdGhp cyBmaXggdG8gbXkgVE9ETyBsaXN0Lgo= -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org