From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx138.postini.com [74.125.245.138]) by kanga.kvack.org (Postfix) with SMTP id DD5696B004A for ; Sat, 25 Feb 2012 02:03:42 -0500 (EST) Received: by obqv19 with SMTP id v19so474470obq.25 for ; Fri, 24 Feb 2012 23:03:40 -0800 (PST) MIME-Version: 1.0 In-Reply-To: References: <1329990365-23779-1-git-send-email-jarkko.sakkinen@intel.com> Date: Sat, 25 Feb 2012 09:03:40 +0200 Message-ID: Subject: Re: [PATCH] tmpfs: security xattr setting on inode creation From: "Sakkinen, Jarkko" Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Sender: owner-linux-mm@kvack.org List-ID: To: Hugh Dickins Cc: Andrew Morton , James Morris , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org SGkgSHVnaCwKCk9uIFNhdCwgRmViIDI1LCAyMDEyIGF0IDU6MTkgQU0sIEh1Z2ggRGlja2lucyA8 aHVnaGRAZ29vZ2xlLmNvbT4gd3JvdGU6Cj4gVGhhbmtzIGEgbG90IGZvciBkb2luZyB0aGlzLCBK YXJra286IEkga25ldyBub3RoaW5nIGFib3V0IGl0Lgo+IEFuZCB0aGFuayB5b3UgSmFtZXMgZm9y IHJldmlld2luZywgSSBmZWx0IG11Y2ggaGFwcGllciBzZWVpbmcgdGhhdC4KPgo+IEkgZGlkIGZp ZGRsZSBhcm91bmQgd2l0aCBpdCBzbGlnaHRseSwgdG8gcmVkdWNlIHRoZSBhZGRlZCB0ZXh0c2l6 ZSwKPiBhbmQgZWxpbWluYXRlIGl0IHdoZW4gQ09ORklHX1RNUEZTX1hBVFRSIGlzIG9mZi4gwqBQ bGVhc2UsIEphcmtrbwo+IGFuZCBKYW1lcywgY29tcGxhaW4gYml0dGVybHkgaWYgSSd2ZSBtZXNz ZWQgdXAgdGhlIGdvb2Qgd29yay4KClRoYW5rIHlvdSBmb3IgdGhlIG5pY2UgZmVlZGJhY2sgOikg TEdUTS4KCj4KPiBbUEFUQ0hdIHRtcGZzOiBzZWN1cml0eSB4YXR0ciBzZXR0aW5nIG9uIGlub2Rl IGNyZWF0aW9uCj4KPiBGcm9tOiBKYXJra28gU2Fra2luZW4gPGphcmtrby5zYWtraW5lbkBpbnRl bC5jb20+Cj4KPiBBZGRzIHRvIGdlbmVyaWMgeGF0dHIgc3VwcG9ydCBpbnRyb2R1Y2VkIGluIExp bnV4IDMuMCBieQo+IGltcGxlbWVudGluZyBpbml0eGF0dHJzIGNhbGxiYWNrLiBUaGlzIGVuYWJs ZXMgY29uc3VsdGluZwo+IG9mIHNlY3VyaXR5IGF0dHJpYnV0ZXMgZnJvbSBMU00gYW5kIEVWTSB3 aGVuIGlub2RlIGlzIGNyZWF0ZWQuCj4KPiBbaHVnaGQ6IG1vdmVkIHVuZGVyIENPTkZJR19UTVBG U19YQVRUUiwgd2l0aCBtZW1jcHkgaW4gc2htZW1feGF0dHJfYWxsb2NdCj4KPiBTaWduZWQtb2Zm LWJ5OiBKYXJra28gU2Fra2luZW4gPGphcmtrby5zYWtraW5lbkBpbnRlbC5jb20+Cj4gUmV2aWV3 ZWQtYnk6IEphbWVzIE1vcnJpcyA8amFtZXMubC5tb3JyaXNAb3JhY2xlLmNvbT4KPiBTaWduZWQt b2ZmLWJ5OiBIdWdoIERpY2tpbnMgPGh1Z2hkQGdvb2dsZS5jb20+Cj4gLS0tCj4gwqBtbS9zaG1l bS5jIHwgwqAgODggKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKystLS0t LS0tLS0tCj4gwqAxIGZpbGUgY2hhbmdlZCwgNzIgaW5zZXJ0aW9ucygrKSwgMTYgZGVsZXRpb25z KC0pCj4KPiAtLS0gYS9tbS9zaG1lbS5jCj4gKysrIGIvbW0vc2htZW0uYwo+IEBAIC0xMTc4LDYg KzExNzgsMTIgQEAgc3RhdGljIHN0cnVjdCBpbm9kZSAqc2htZW1fZ2V0X2lub2RlKHN0cgo+IMKg c3RhdGljIGNvbnN0IHN0cnVjdCBpbm9kZV9vcGVyYXRpb25zIHNobWVtX3N5bWxpbmtfaW5vZGVf b3BlcmF0aW9uczsKPiDCoHN0YXRpYyBjb25zdCBzdHJ1Y3QgaW5vZGVfb3BlcmF0aW9ucyBzaG1l bV9zaG9ydF9zeW1saW5rX29wZXJhdGlvbnM7Cj4KPiArI2lmZGVmIENPTkZJR19UTVBGU19YQVRU Ugo+ICtzdGF0aWMgaW50IHNobWVtX2luaXR4YXR0cnMoc3RydWN0IGlub2RlICosIGNvbnN0IHN0 cnVjdCB4YXR0ciAqLCB2b2lkICopOwo+ICsjZWxzZQo+ICsjZGVmaW5lIHNobWVtX2luaXR4YXR0 cnMgTlVMTAo+ICsjZW5kaWYKPiArCj4gwqBzdGF0aWMgaW50Cj4gwqBzaG1lbV93cml0ZV9iZWdp bihzdHJ1Y3QgZmlsZSAqZmlsZSwgc3RydWN0IGFkZHJlc3Nfc3BhY2UgKm1hcHBpbmcsCj4gwqAg wqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqBsb2ZmX3QgcG9zLCB1bnNpZ25lZCBsZW4s IHVuc2lnbmVkIGZsYWdzLAo+IEBAIC0xNDkwLDcgKzE0OTYsNyBAQCBzaG1lbV9ta25vZChzdHJ1 Y3QgaW5vZGUgKmRpciwgc3RydWN0IGRlCj4gwqAgwqAgwqAgwqBpZiAoaW5vZGUpIHsKPiDCoCDC oCDCoCDCoCDCoCDCoCDCoCDCoGVycm9yID0gc2VjdXJpdHlfaW5vZGVfaW5pdF9zZWN1cml0eShp bm9kZSwgZGlyLAo+IMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKg IMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgICZkZW50cnktPmRfbmFtZSwKPiAtIMKg IMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKg IMKgIMKgIMKgIMKgIMKgIMKgTlVMTCwgTlVMTCk7Cj4gKyDCoCDCoCDCoCDCoCDCoCDCoCDCoCDC oCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoHNo bWVtX2luaXR4YXR0cnMsIE5VTEwpOwo+IMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgaWYgKGVycm9y KSB7Cj4gwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqBpZiAoZXJyb3IgIT0gLUVP UE5PVFNVUFApIHsKPiDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDC oCDCoGlwdXQoaW5vZGUpOwo+IEBAIC0xNjMwLDcgKzE2MzYsNyBAQCBzdGF0aWMgaW50IHNobWVt X3N5bWxpbmsoc3RydWN0IGlub2RlICpkCj4gwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqByZXR1cm4g LUVOT1NQQzsKPgo+IMKgIMKgIMKgIMKgZXJyb3IgPSBzZWN1cml0eV9pbm9kZV9pbml0X3NlY3Vy aXR5KGlub2RlLCBkaXIsICZkZW50cnktPmRfbmFtZSwKPiAtIMKgIMKgIMKgIMKgIMKgIMKgIMKg IMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgTlVMTCwgTlVMTCk7 Cj4gKyDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDC oCDCoCDCoCDCoCDCoHNobWVtX2luaXR4YXR0cnMsIE5VTEwpOwo+IMKgIMKgIMKgIMKgaWYgKGVy cm9yKSB7Cj4gwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqBpZiAoZXJyb3IgIT0gLUVPUE5PVFNVUFAp IHsKPiDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoGlwdXQoaW5vZGUpOwo+IEBA IC0xNzA0LDYgKzE3MTAsNjYgQEAgc3RhdGljIHZvaWQgc2htZW1fcHV0X2xpbmsoc3RydWN0IGRl bnRyeQo+IMKgKiBmaWxlc3lzdGVtIGxldmVsLCB0aG91Z2guCj4gwqAqLwo+Cj4gKy8qCj4gKyAq IEFsbG9jYXRlIG5ldyB4YXR0ciBhbmQgY29weSBpbiB0aGUgdmFsdWU7IGJ1dCBsZWF2ZSB0aGUg bmFtZSB0byBjYWxsZXJzLgo+ICsgKi8KPiArc3RhdGljIHN0cnVjdCBzaG1lbV94YXR0ciAqc2ht ZW1feGF0dHJfYWxsb2MoY29uc3Qgdm9pZCAqdmFsdWUsIHNpemVfdCBzaXplKQo+ICt7Cj4gKyDC oCDCoCDCoCBzdHJ1Y3Qgc2htZW1feGF0dHIgKm5ld194YXR0cjsKPiArIMKgIMKgIMKgIHNpemVf dCBsZW47Cj4gKwo+ICsgwqAgwqAgwqAgLyogd3JhcCBhcm91bmQ/ICovCj4gKyDCoCDCoCDCoCBs ZW4gPSBzaXplb2YoKm5ld194YXR0cikgKyBzaXplOwo+ICsgwqAgwqAgwqAgaWYgKGxlbiA8PSBz aXplb2YoKm5ld194YXR0cikpCj4gKyDCoCDCoCDCoCDCoCDCoCDCoCDCoCByZXR1cm4gTlVMTDsK PiArCj4gKyDCoCDCoCDCoCBuZXdfeGF0dHIgPSBrbWFsbG9jKGxlbiwgR0ZQX0tFUk5FTCk7Cj4g KyDCoCDCoCDCoCBpZiAoIW5ld194YXR0cikKPiArIMKgIMKgIMKgIMKgIMKgIMKgIMKgIHJldHVy biBOVUxMOwo+ICsKPiArIMKgIMKgIMKgIG5ld194YXR0ci0+c2l6ZSA9IHNpemU7Cj4gKyDCoCDC oCDCoCBtZW1jcHkobmV3X3hhdHRyLT52YWx1ZSwgdmFsdWUsIHNpemUpOwo+ICsgwqAgwqAgwqAg cmV0dXJuIG5ld194YXR0cjsKPiArfQo+ICsKPiArLyoKPiArICogQ2FsbGJhY2sgZm9yIHNlY3Vy aXR5X2lub2RlX2luaXRfc2VjdXJpdHkoKSBmb3IgYWNxdWlyaW5nIHhhdHRycy4KPiArICovCj4g K3N0YXRpYyBpbnQgc2htZW1faW5pdHhhdHRycyhzdHJ1Y3QgaW5vZGUgKmlub2RlLAo+ICsgwqAg wqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgY29uc3Qgc3RydWN0IHhhdHRyICp4 YXR0cl9hcnJheSwKPiArIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIHZv aWQgKmZzX2luZm8pCj4gK3sKPiArIMKgIMKgIMKgIHN0cnVjdCBzaG1lbV9pbm9kZV9pbmZvICpp bmZvID0gU0hNRU1fSShpbm9kZSk7Cj4gKyDCoCDCoCDCoCBjb25zdCBzdHJ1Y3QgeGF0dHIgKnhh dHRyOwo+ICsgwqAgwqAgwqAgc3RydWN0IHNobWVtX3hhdHRyICpuZXdfeGF0dHI7Cj4gKyDCoCDC oCDCoCBzaXplX3QgbGVuOwo+ICsKPiArIMKgIMKgIMKgIGZvciAoeGF0dHIgPSB4YXR0cl9hcnJh eTsgeGF0dHItPm5hbWUgIT0gTlVMTDsgeGF0dHIrKykgewo+ICsgwqAgwqAgwqAgwqAgwqAgwqAg wqAgbmV3X3hhdHRyID0gc2htZW1feGF0dHJfYWxsb2MoeGF0dHItPnZhbHVlLCB4YXR0ci0+dmFs dWVfbGVuKTsKPiArIMKgIMKgIMKgIMKgIMKgIMKgIMKgIGlmICghbmV3X3hhdHRyKQo+ICsgwqAg wqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgcmV0dXJuIC1FTk9NRU07Cj4gKwo+ICsgwqAg wqAgwqAgwqAgwqAgwqAgwqAgbGVuID0gc3RybGVuKHhhdHRyLT5uYW1lKSArIDE7Cj4gKyDCoCDC oCDCoCDCoCDCoCDCoCDCoCBuZXdfeGF0dHItPm5hbWUgPSBrbWFsbG9jKFhBVFRSX1NFQ1VSSVRZ X1BSRUZJWF9MRU4gKyBsZW4sCj4gKyDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDC oCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCBHRlBfS0VSTkVMKTsKPiArIMKgIMKgIMKgIMKgIMKg IMKgIMKgIGlmICghbmV3X3hhdHRyLT5uYW1lKSB7Cj4gKyDCoCDCoCDCoCDCoCDCoCDCoCDCoCDC oCDCoCDCoCDCoCBrZnJlZShuZXdfeGF0dHIpOwo+ICsgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAg wqAgwqAgwqAgcmV0dXJuIC1FTk9NRU07Cj4gKyDCoCDCoCDCoCDCoCDCoCDCoCDCoCB9Cj4gKwo+ ICsgwqAgwqAgwqAgwqAgwqAgwqAgwqAgbWVtY3B5KG5ld194YXR0ci0+bmFtZSwgWEFUVFJfU0VD VVJJVFlfUFJFRklYLAo+ICsgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqBYQVRUUl9T RUNVUklUWV9QUkVGSVhfTEVOKTsKPiArIMKgIMKgIMKgIMKgIMKgIMKgIMKgIG1lbWNweShuZXdf eGF0dHItPm5hbWUgKyBYQVRUUl9TRUNVUklUWV9QUkVGSVhfTEVOLAo+ICsgwqAgwqAgwqAgwqAg wqAgwqAgwqAgwqAgwqAgwqAgwqB4YXR0ci0+bmFtZSwgbGVuKTsKPiArCj4gKyDCoCDCoCDCoCDC oCDCoCDCoCDCoCBzcGluX2xvY2soJmluZm8tPmxvY2spOwo+ICsgwqAgwqAgwqAgwqAgwqAgwqAg wqAgbGlzdF9hZGQoJm5ld194YXR0ci0+bGlzdCwgJmluZm8tPnhhdHRyX2xpc3QpOwo+ICsgwqAg wqAgwqAgwqAgwqAgwqAgwqAgc3Bpbl91bmxvY2soJmluZm8tPmxvY2spOwo+ICsgwqAgwqAgwqAg fQo+ICsKPiArIMKgIMKgIMKgIHJldHVybiAwOwo+ICt9Cj4gKwo+IMKgc3RhdGljIGludCBzaG1l bV94YXR0cl9nZXQoc3RydWN0IGRlbnRyeSAqZGVudHJ5LCBjb25zdCBjaGFyICpuYW1lLAo+IMKg IMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIHZvaWQgKmJ1ZmZlciwgc2l6ZV90 IHNpemUpCj4gwqB7Cj4gQEAgLTE3MzEsMjQgKzE3OTcsMTcgQEAgc3RhdGljIGludCBzaG1lbV94 YXR0cl9nZXQoc3RydWN0IGRlbnRyeQo+IMKgIMKgIMKgIMKgcmV0dXJuIHJldDsKPiDCoH0KPgo+ IC1zdGF0aWMgaW50IHNobWVtX3hhdHRyX3NldChzdHJ1Y3QgZGVudHJ5ICpkZW50cnksIGNvbnN0 IGNoYXIgKm5hbWUsCj4gK3N0YXRpYyBpbnQgc2htZW1feGF0dHJfc2V0KHN0cnVjdCBpbm9kZSAq aW5vZGUsIGNvbnN0IGNoYXIgKm5hbWUsCj4gwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAg wqAgwqAgwqAgY29uc3Qgdm9pZCAqdmFsdWUsIHNpemVfdCBzaXplLCBpbnQgZmxhZ3MpCj4gwqB7 Cj4gLSDCoCDCoCDCoCBzdHJ1Y3QgaW5vZGUgKmlub2RlID0gZGVudHJ5LT5kX2lub2RlOwo+IMKg IMKgIMKgIMKgc3RydWN0IHNobWVtX2lub2RlX2luZm8gKmluZm8gPSBTSE1FTV9JKGlub2RlKTsK PiDCoCDCoCDCoCDCoHN0cnVjdCBzaG1lbV94YXR0ciAqeGF0dHI7Cj4gwqAgwqAgwqAgwqBzdHJ1 Y3Qgc2htZW1feGF0dHIgKm5ld194YXR0ciA9IE5VTEw7Cj4gLSDCoCDCoCDCoCBzaXplX3QgbGVu Owo+IMKgIMKgIMKgIMKgaW50IGVyciA9IDA7Cj4KPiDCoCDCoCDCoCDCoC8qIHZhbHVlID09IE5V TEwgbWVhbnMgcmVtb3ZlICovCj4gwqAgwqAgwqAgwqBpZiAodmFsdWUpIHsKPiAtIMKgIMKgIMKg IMKgIMKgIMKgIMKgIC8qIHdyYXAgYXJvdW5kPyAqLwo+IC0gwqAgwqAgwqAgwqAgwqAgwqAgwqAg bGVuID0gc2l6ZW9mKCpuZXdfeGF0dHIpICsgc2l6ZTsKPiAtIMKgIMKgIMKgIMKgIMKgIMKgIMKg IGlmIChsZW4gPD0gc2l6ZW9mKCpuZXdfeGF0dHIpKQo+IC0gwqAgwqAgwqAgwqAgwqAgwqAgwqAg wqAgwqAgwqAgwqAgcmV0dXJuIC1FTk9NRU07Cj4gLQo+IC0gwqAgwqAgwqAgwqAgwqAgwqAgwqAg bmV3X3hhdHRyID0ga21hbGxvYyhsZW4sIEdGUF9LRVJORUwpOwo+ICsgwqAgwqAgwqAgwqAgwqAg wqAgwqAgbmV3X3hhdHRyID0gc2htZW1feGF0dHJfYWxsb2ModmFsdWUsIHNpemUpOwo+IMKgIMKg IMKgIMKgIMKgIMKgIMKgIMKgaWYgKCFuZXdfeGF0dHIpCj4gwqAgwqAgwqAgwqAgwqAgwqAgwqAg wqAgwqAgwqAgwqAgwqByZXR1cm4gLUVOT01FTTsKPgo+IEBAIC0xNzU3LDkgKzE4MTYsNiBAQCBz dGF0aWMgaW50IHNobWVtX3hhdHRyX3NldChzdHJ1Y3QgZGVudHJ5Cj4gwqAgwqAgwqAgwqAgwqAg wqAgwqAgwqAgwqAgwqAgwqAgwqBrZnJlZShuZXdfeGF0dHIpOwo+IMKgIMKgIMKgIMKgIMKgIMKg IMKgIMKgIMKgIMKgIMKgIMKgcmV0dXJuIC1FTk9NRU07Cj4gwqAgwqAgwqAgwqAgwqAgwqAgwqAg wqB9Cj4gLQo+IC0gwqAgwqAgwqAgwqAgwqAgwqAgwqAgbmV3X3hhdHRyLT5zaXplID0gc2l6ZTsK PiAtIMKgIMKgIMKgIMKgIMKgIMKgIMKgIG1lbWNweShuZXdfeGF0dHItPnZhbHVlLCB2YWx1ZSwg c2l6ZSk7Cj4gwqAgwqAgwqAgwqB9Cj4KPiDCoCDCoCDCoCDCoHNwaW5fbG9jaygmaW5mby0+bG9j ayk7Cj4gQEAgLTE4NTgsNyArMTkxNCw3IEBAIHN0YXRpYyBpbnQgc2htZW1fc2V0eGF0dHIoc3Ry dWN0IGRlbnRyeQo+IMKgIMKgIMKgIMKgaWYgKHNpemUgPT0gMCkKPiDCoCDCoCDCoCDCoCDCoCDC oCDCoCDCoHZhbHVlID0gIiI7IMKgLyogZW1wdHkgRUEsIGRvIG5vdCByZW1vdmUgKi8KPgo+IC0g wqAgwqAgwqAgcmV0dXJuIHNobWVtX3hhdHRyX3NldChkZW50cnksIG5hbWUsIHZhbHVlLCBzaXpl LCBmbGFncyk7Cj4gKyDCoCDCoCDCoCByZXR1cm4gc2htZW1feGF0dHJfc2V0KGRlbnRyeS0+ZF9p bm9kZSwgbmFtZSwgdmFsdWUsIHNpemUsIGZsYWdzKTsKPgo+IMKgfQo+Cj4gQEAgLTE4NzgsNyAr MTkzNCw3IEBAIHN0YXRpYyBpbnQgc2htZW1fcmVtb3ZleGF0dHIoc3RydWN0IGRlbnQKPiDCoCDC oCDCoCDCoGlmIChlcnIpCj4gwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqByZXR1cm4gZXJyOwo+Cj4g LSDCoCDCoCDCoCByZXR1cm4gc2htZW1feGF0dHJfc2V0KGRlbnRyeSwgbmFtZSwgTlVMTCwgMCwg WEFUVFJfUkVQTEFDRSk7Cj4gKyDCoCDCoCDCoCByZXR1cm4gc2htZW1feGF0dHJfc2V0KGRlbnRy eS0+ZF9pbm9kZSwgbmFtZSwgTlVMTCwgMCwgWEFUVFJfUkVQTEFDRSk7Cj4gwqB9Cj4KPiDCoHN0 YXRpYyBib29sIHhhdHRyX2lzX3RydXN0ZWQoY29uc3QgY2hhciAqbmFtZSkKCi9KYXJra28K -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org