From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ob0-f181.google.com (mail-ob0-f181.google.com [209.85.214.181]) by kanga.kvack.org (Postfix) with ESMTP id 163706B0038 for ; Tue, 8 Sep 2015 10:09:13 -0400 (EDT) Received: by obbbh8 with SMTP id bh8so84082543obb.0 for ; Tue, 08 Sep 2015 07:09:12 -0700 (PDT) Received: from COL004-OMC4S14.hotmail.com (col004-omc4s14.hotmail.com. [65.55.34.216]) by mx.google.com with ESMTPS id wz8si5714405pab.119.2015.09.08.07.09.09 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 08 Sep 2015 07:09:09 -0700 (PDT) Message-ID: From: Chen Gang Subject: Re: [PATCH] mm/mmap.c: Remove redundent 'get_area' function pointer in get_unmapped_area() Date: Tue, 8 Sep 2015 22:09:08 +0800 In-Reply-To: <55EEEC18.10101@hotmail.com> References: <20150907124148.GB32668@redhat.com>,<55EEEC18.10101@hotmail.com> Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: owner-linux-mm@kvack.org List-ID: To: "oleg@redhat.com" Cc: Andrew Morton , "kirill.shutemov@linux.intel.com" , "riel@redhat.com" , Michal Hocko , "sasha.levin@oracle.com" , "pfeiner@google.com" , "aarcange@redhat.com" , "vishnu.ps@samsung.com" , Linux Memory , kernel mailing list T24gOS83LzE1IDIwOjQxLCBPbGVnIE5lc3Rlcm92IHdyb3RlOgo+IE9uIDA5LzA1LCBDaGVuIEdh bmcgd3JvdGU6Cj4+Cj4+IEZyb20gYTFiZjQ3MjZmNzFkNmQwMzk0YjQxMzA5OTQ0NjQ2ZmM4MDZh OGEwYyBNb24gU2VwIDE3IDAwOjAwOjAwIDIwMDEKPj4gRnJvbTogQ2hlbiBHYW5nIDxnYW5nLmNo ZW4uNWk1akBnbWFpbC5jb20+Cj4+IERhdGU6IFNhdCwgNSBTZXAgMjAxNSAyMTo1MTowOCArMDgw MAo+PiBTdWJqZWN0OiBbUEFUQ0hdIG1tL21tYXAuYzogUmVtb3ZlIHJlZHVuZGVudCAnZ2V0X2Fy ZWEnIGZ1bmN0aW9uIHBvaW50ZXIgaW4KPj4gZ2V0X3VubWFwcGVkX2FyZWEoKQo+Pgo+PiBDYWxs IHRoZSBmdW5jdGlvbiBwb2ludGVyIGRpcmVjdGx5LCB0aGVuIGxldCBjb2RlIGEgYml0IHNpbXBs ZXIuCj4gXl5eXl5eXl5eXl5eXl5eXl5eCj4KPiBUaGlzIGlzIHN1YmplY3RpdmUgeW91IGtub3cg OykKPgoKT2gsIHNvcnJ5LiBUaGUgY29tbWVudHMgbmVlZCBiZSBpbXByb3ZlZC4KCj4gSSBndWVz cyB0aGUgYXV0aG9yIG9mIHRoaXMgY29kZSBhZGRlZCB0aGlzIHZhcmlhYmxlIHRvIG1ha2UgdGhl IGNvZGUKPiBtb3JlIHJlYWRhYmxlLiBBbmQgdG8gbWUgaXQgYmVjb21lcyBsZXNzIHJlYWRhYmxl IGFmdGVyIHlvdXIgY2hhbmdlLgo+Cj4gSSBsZWF2ZSB0aGlzIHRvIHlvdSBhbmQgbWFpbnRhaW5l cnMuCj4KCk9LLCBJIGNhbiB1bmRlcnN0YW5kLCBldmVyeSBtZW1iZXJzIGhhdmUgdGhlaXIgb3du IHRhc3RlIChteSB0YXN0ZSBpcwppZiBvbmUgYnVmZmVyaW5nIHZhcmlhYmxlIGlzIHVzZWQgd2l0 aGluIDIgdGltZXMsIEkgd2FudCB0byByZW1vdmUgaXQpLgoKRm9yIG9wdGltaXphdGlvbiwgdGhl IG9yaWdpbmFsIGNvZGUgbWF5YmUgYmUgYSBsaXR0bGUgYmV0dGVyLgoKU28gZm9yIG1lLCBpZiBt b3JlIHRoYW4gMjAlIG1lbWJlcnMgc3RpbGwgbGlrZSB0aGUgb3JpZ2luYWwgY29kZSwgd2UKc2hv dWxkIGtlZXAgdGhlIG9yaWdpbmFsIGNvZGUgbm8gdG91Y2guCgoKVGhhbmtzLgoKPj4gU2lnbmVk LW9mZi1ieTogQ2hlbiBHYW5nIDxnYW5nLmNoZW4uNWk1akBnbWFpbC5jb20+Cj4+IC0tLQo+PiBt bS9tbWFwLmMgfCAxMiArKysrKystLS0tLS0KPj4gMSBmaWxlIGNoYW5nZWQsIDYgaW5zZXJ0aW9u cygrKSwgNiBkZWxldGlvbnMoLSkKPj4KPj4gZGlmZiAtLWdpdCBhL21tL21tYXAuYyBiL21tL21t YXAuYwo+PiBpbmRleCA0ZGI3Y2YwLi4zOWZkNzI3IDEwMDY0NAo+PiAtLS0gYS9tbS9tbWFwLmMK Pj4gKysrIGIvbW0vbW1hcC5jCj4+IEBAIC0yMDEyLDEwICsyMDEyLDggQEAgdW5zaWduZWQgbG9u Zwo+PiBnZXRfdW5tYXBwZWRfYXJlYShzdHJ1Y3QgZmlsZSAqZmlsZSwgdW5zaWduZWQgbG9uZyBh ZGRyLCB1bnNpZ25lZCBsb25nIGxlbiwKPj4gdW5zaWduZWQgbG9uZyBwZ29mZiwgdW5zaWduZWQg bG9uZyBmbGFncykKPj4gewo+PiAtIHVuc2lnbmVkIGxvbmcgKCpnZXRfYXJlYSkoc3RydWN0IGZp bGUgKiwgdW5zaWduZWQgbG9uZywKPj4gLSB1bnNpZ25lZCBsb25nLCB1bnNpZ25lZCBsb25nLCB1 bnNpZ25lZCBsb25nKTsKPj4gLQo+PiB1bnNpZ25lZCBsb25nIGVycm9yID0gYXJjaF9tbWFwX2No ZWNrKGFkZHIsIGxlbiwgZmxhZ3MpOwo+PiArCj4+IGlmIChlcnJvcikKPj4gcmV0dXJuIGVycm9y Owo+Pgo+PiBAQCAtMjAyMywxMCArMjAyMSwxMiBAQCBnZXRfdW5tYXBwZWRfYXJlYShzdHJ1Y3Qg ZmlsZSAqZmlsZSwgdW5zaWduZWQgbG9uZyBhZGRyLCB1bnNpZ25lZCBsb25nIGxlbiwKPj4gaWYg KGxlbj4gVEFTS19TSVpFKQo+PiByZXR1cm4gLUVOT01FTTsKPj4KPj4gLSBnZXRfYXJlYSA9IGN1 cnJlbnQtPm1tLT5nZXRfdW5tYXBwZWRfYXJlYTsKPj4gaWYgKGZpbGUgJiYgZmlsZS0+Zl9vcC0+ Z2V0X3VubWFwcGVkX2FyZWEpCj4+IC0gZ2V0X2FyZWEgPSBmaWxlLT5mX29wLT5nZXRfdW5tYXBw ZWRfYXJlYTsKPj4gLSBhZGRyID0gZ2V0X2FyZWEoZmlsZSwgYWRkciwgbGVuLCBwZ29mZiwgZmxh Z3MpOwo+PiArIGFkZHIgPSBmaWxlLT5mX29wLT5nZXRfdW5tYXBwZWRfYXJlYShmaWxlLCBhZGRy LCBsZW4sCj4+ICsgcGdvZmYsIGZsYWdzKTsKPj4gKyBlbHNlCj4+ICsgYWRkciA9IGN1cnJlbnQt Pm1tLT5nZXRfdW5tYXBwZWRfYXJlYShmaWxlLCBhZGRyLCBsZW4sCj4+ICsgcGdvZmYsIGZsYWdz KTsKPj4gaWYgKElTX0VSUl9WQUxVRShhZGRyKSkKPj4gcmV0dXJuIGFkZHI7Cj4+Cj4+IC0tCj4+ IDEuOS4zCj4+Cj4+Cj4KCi0tCkNoZW4gR2FuZyAos8K41SkKCk9wZW4sIHNoYXJlLCBhbmQgYXR0 aXR1ZGUgbGlrZSBhaXIsIHdhdGVyLCBhbmQgbGlmZSB3aGljaCBHb2QgYmxlc3NlZAogCQkgCSAg IAkJICA= -- 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