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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Wed, 27 Mar 2019 10:05:22 -0000 Received: from d06av26.portsmouth.uk.ibm.com (d06av26.portsmouth.uk.ibm.com [9.149.105.62]) by b06cxnps4074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x2RA5Ld536831236 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 27 Mar 2019 10:05:21 GMT Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id AA8ADAE045; Wed, 27 Mar 2019 10:05:21 +0000 (GMT) Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 44B49AE051; Wed, 27 Mar 2019 10:05:15 +0000 (GMT) Received: from skywalker.linux.ibm.com (unknown [9.102.0.57]) by d06av26.portsmouth.uk.ibm.com (Postfix) with ESMTP; Wed, 27 Mar 2019 10:05:15 +0000 (GMT) X-Mailer: emacs 26.1 (via feedmail 11-beta-1 I) From: "Aneesh Kumar K.V" To: Alexandre Ghiti , mpe@ellerman.id.au, Andrew Morton , Vlastimil Babka , Catalin Marinas , Will Deacon , Benjamin Herrenschmidt , Paul Mackerras , Martin Schwidefsky , Heiko Carstens , Yoshinori Sato , Rich Felker , "David S . 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Peter Anvin" , x86@kernel.org, Dave Hansen , Andy Lutomirski , Peter Zijlstra , Mike Kravetz , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH v8 4/4] hugetlb: allow to free gigantic pages regardless of the configuration In-Reply-To: References: <20190327063626.18421-1-alex@ghiti.fr> <20190327063626.18421-5-alex@ghiti.fr> Date: Wed, 27 Mar 2019 15:35:13 +0530 MIME-Version: 1.0 X-TM-AS-GCONF: 00 x-cbid: 19032710-4275-0000-0000-0000031FC8B0 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19032710-4276-0000-0000-0000382E6206 Message-Id: <87pnqcws2u.fsf@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-03-27_07:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=2 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1903270073 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190327_030535_066394_02C4D0D1 X-CRM114-Status: GOOD ( 24.87 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org QWxleGFuZHJlIEdoaXRpIDxhbGV4QGdoaXRpLmZyPiB3cml0ZXM6Cgo+IE9uIDAzLzI3LzIwMTkg MDk6NTUgQU0sIEFuZWVzaCBLdW1hciBLLlYgd3JvdGU6Cj4+IE9uIDMvMjcvMTkgMjoxNCBQTSwg QWxleGFuZHJlIEdoaXRpIHdyb3RlOgo+Pj4KPj4+Cj4+PiBPbiAwMy8yNy8yMDE5IDA4OjAxIEFN LCBBbmVlc2ggS3VtYXIgSy5WIHdyb3RlOgo+Pj4+IE9uIDMvMjcvMTkgMTI6MDYgUE0sIEFsZXhh bmRyZSBHaGl0aSB3cm90ZToKPgoKLi4uLi4KCj4+Cj4+IFRoaXMgaXMgbm93Cj4+ICNkZWZpbmUg X19IQVZFX0FSQ0hfR0lHQU5USUNfUEFHRV9SVU5USU1FX1NVUFBPUlRFRAo+PiBzdGF0aWMgaW5s aW5lIGJvb2wgZ2lnYW50aWNfcGFnZV9ydW50aW1lX3N1cHBvcnRlZCh2b2lkKQo+PiB7Cj4+IGlm IChmaXJtd2FyZV9oYXNfZmVhdHVyZShGV19GRUFUVVJFX0xQQVIpICYmICFyYWRpeF9lbmFibGVk KCkpCj4+IMKgwqDCoMKgwqDCoMKgIHJldHVybiBmYWxzZTsKPj4KPj4gwqDCoMKgwqByZXR1cm4g dHJ1ZTsKPj4gfQo+Pgo+Pgo+PiBJIGFtIHdvbmRlcmluZyB3aGV0aGVyIGl0IHNob3VsZCBiZQo+ Pgo+PiAjZGVmaW5lIF9fSEFWRV9BUkNIX0dJR0FOVElDX1BBR0VfUlVOVElNRV9TVVBQT1JURUQK Pj4gc3RhdGljIGlubGluZSBib29sIGdpZ2FudGljX3BhZ2VfcnVudGltZV9zdXBwb3J0ZWQodm9p ZCkKPj4gewo+Pgo+PiDCoMKgIGlmICghSVNfRU5BQkxFRChDT05GSUdfQ09OVElHX0FMTE9DKSkK Pj4gwqDCoMKgwqDCoMKgwqAgcmV0dXJuIGZhbHNlOwo+Cj4gSSBkb24ndCB0aGluayB0aGlzIHRl c3Qgc2hvdWxkIGhhcHBlbiBoZXJlLCBDT05GSUdfQ09OVElHX0FMTE9DIG9ubHkgYWxsb3dzCj4g dG8gYWxsb2NhdGUgZ2lnYW50aWMgcGFnZXMsIGRvaW5nIHRoYXQgY2hlY2sgaGVyZSB3b3VsZCBw cmV2ZW50IHBvd2VycGMKPiB0byBmcmVlIGJvb3R0aW1lIGdpZ2FudGljIHBhZ2VzIHdoZW4gbm90 IGEgZ3Vlc3QuIE5vdGUgdGhhdCB0aGlzIGNoZWNrCj4gaXMgYWN0dWFsbHkgZG9uZSBpbiBzZXRf bWF4X2h1Z2VfcGFnZXMuCj4KPgo+Pgo+PiBpZiAoZmlybXdhcmVfaGFzX2ZlYXR1cmUoRldfRkVB VFVSRV9MUEFSKSAmJiAhcmFkaXhfZW5hYmxlZCgpKQo+PiDCoMKgwqDCoMKgwqDCoCByZXR1cm4g ZmFsc2U7Cj4KPiBNYXliZSBJIGRpZCBub3QgdW5kZXJzdGFuZCB0aGlzIGNoZWNrOiBJIHVuZGVy c3Rvb2QgdGhhdCwgaW4gdGhlIGNhc2UgCj4gdGhlIHN5c3RlbQo+IGlzIHZpcnR1YWxpemVkLCB3 ZSBkbyBub3Qgd2FudCBpdCB0byBoYW5kIGJhY2sgZ2lnYW50aWMgcGFnZXMuIERvZXMgdGhpcyAK PiBjaGVjawo+IHRlc3QgaWYgdGhlIHN5c3RlbSBpcyBjdXJyZW50bHkgYmVpbmcgdmlydHVhbGl6 ZWQgPwo+IElmIHllcywgSSB0aGluayB0aGUgcGF0Y2ggaXMgY29ycmVjdDogaXQgcHJldmVudHMg ZnJlZWluZyBnaWdhbnRpYyBwYWdlcyAKPiB3aGVuIHRoZSBzeXN0ZW0KPiBpcyB2aXJ0dWFsaXpl ZCBidXQgYWxsb3dzIGEgJ25vcm1hbCcgc3lzdGVtIHRvIGZyZWUgZ2lnYW50aWMgcGFnZXMuCj4K Pgo+PgoKT2sgZG91YmxlIGNoZWNrZWQgdGhlIHBhdGNoIGFwcGx5aW5nIHRoZSB0aGUgdHJlZS4g SSBnb3QgY29uZnVzZWQgYnkgdGhlCnJlbW92YWwgb2YgdGhhdCAjaWZkZWYuIFNvIHdlIG5vdyBk aXNhbGxvdyB0aGUgcnVudGltZSBmcmVlIGJ5IGNoZWNraW5nCmZvciBnaWdhbnRpY19wYWdlX3J1 bnRpbWVfc3VwcG9ydGVkKCkgaW4gIF9fbnJfaHVnZXBhZ2VzX3N0b3JlX2NvbW1vbi4KTm93IGlm IHdlIGFsbG93IGFuZCBpZiBDT05GSUdfQ09OVElHX0FMTE9DIGlzIGRpc2FibGVkLCB3ZSBzdGls bCBzaG91bGQKYWxsb3cgdG8gZnJlZSB0aGUgYm9vdCB0aW1lIGFsbG9jYXRlZCBwYWdlcyBiYWNr IHRvIGJ1ZGR5LgoKVGhlIHBhdGNoIGxvb2tzIGdvb2QuIFlvdSBjYW4gYWRkIGZvciB0aGUgc2Vy aWVzCgpSZXZpZXdlZC1ieTogQW5lZXNoIEt1bWFyIEsuViA8YW5lZXNoLmt1bWFyQGxpbnV4Lmli bS5jb20+CgotYW5lZXNoCgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QKbGludXgtYXJtLWtlcm5lbEBs aXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlz dGluZm8vbGludXgtYXJtLWtlcm5lbAo=