From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,MIME_BASE64_TEXT,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A687BC433DF for ; Tue, 18 Aug 2020 01:59:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 867F62075E for ; Tue, 18 Aug 2020 01:59:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="k1VuBask" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726683AbgHRB7C (ORCPT ); Mon, 17 Aug 2020 21:59:02 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:51887 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726357AbgHRB6w (ORCPT ); Mon, 17 Aug 2020 21:58:52 -0400 X-UUID: 5077dca911e7440cbd4072a0c1bf4bd1-20200818 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=Mg5uZdFFDJBYK66PxAT2X+zp5o0L419XdVPA3e+0npM=; b=k1VuBaskvYwEgkpsX/B8HgEUdXyfZocMjm0013OY0Wc95x9LxPiKxIzIMI7T/mCQhwh68pkCL3vU5lEzjck9YSKlZt6G5VQt9vCb3IKg19rH/GkhxrILRhBbaySFtrHTAncHo5UaSWV7aiNgNzOo48OI1mu152ZxWXxntNM0smA=; X-UUID: 5077dca911e7440cbd4072a0c1bf4bd1-20200818 Received: from mtkcas08.mediatek.inc [(172.21.101.126)] by mailgw01.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 731042030; Tue, 18 Aug 2020 09:58:48 +0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs02n1.mediatek.inc (172.21.101.77) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 18 Aug 2020 09:58:44 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 18 Aug 2020 09:58:44 +0800 From: Chinwen Chang To: Matthias Brugger , Michel Lespinasse , Andrew Morton , Vlastimil Babka , Daniel Jordan , Davidlohr Bueso , Chinwen Chang , Alexey Dobriyan , "Matthew Wilcox (Oracle)" , Jason Gunthorpe , Steven Price , Song Liu , Jimmy Assarsson , Huang Ying , Daniel Kiss , Laurent Dufour CC: , , , , Subject: [PATCH v4 1/3] mmap locking API: add mmap_lock_is_contended() Date: Tue, 18 Aug 2020 09:58:16 +0800 Message-ID: <1597715898-3854-2-git-send-email-chinwen.chang@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1597715898-3854-1-git-send-email-chinwen.chang@mediatek.com> References: <1597715898-3854-1-git-send-email-chinwen.chang@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org QWRkIG5ldyBBUEkgdG8gcXVlcnkgaWYgc29tZW9uZSB3YW50cyB0byBhY3F1aXJlIG1tYXBfbG9j aw0KZm9yIHdyaXRlIGF0dGVtcHRzLg0KDQpVc2luZyB0aGlzIGluc3RlYWQgb2YgcndzZW1faXNf Y29udGVuZGVkIG1ha2VzIGl0IG1vcmUgdG9sZXJhbnQNCm9mIGZ1dHVyZSBjaGFuZ2VzIHRvIHRo ZSBsb2NrIHR5cGUuDQoNClNpZ25lZC1vZmYtYnk6IENoaW53ZW4gQ2hhbmcgPGNoaW53ZW4uY2hh bmdAbWVkaWF0ZWsuY29tPg0KUmV2aWV3ZWQtYnk6IFN0ZXZlbiBQcmljZSA8c3RldmVuLnByaWNl QGFybS5jb20+DQpBY2tlZC1ieTogTWljaGVsIExlc3BpbmFzc2UgPHdhbGtlbkBnb29nbGUuY29t Pg0KLS0tDQogaW5jbHVkZS9saW51eC9tbWFwX2xvY2suaCB8IDUgKysrKysNCiAxIGZpbGUgY2hh bmdlZCwgNSBpbnNlcnRpb25zKCspDQoNCmRpZmYgLS1naXQgYS9pbmNsdWRlL2xpbnV4L21tYXBf bG9jay5oIGIvaW5jbHVkZS9saW51eC9tbWFwX2xvY2suaA0KaW5kZXggMDcwNzY3MS4uMThlN2Vh ZSAxMDA2NDQNCi0tLSBhL2luY2x1ZGUvbGludXgvbW1hcF9sb2NrLmgNCisrKyBiL2luY2x1ZGUv bGludXgvbW1hcF9sb2NrLmgNCkBAIC04Nyw0ICs4Nyw5IEBAIHN0YXRpYyBpbmxpbmUgdm9pZCBt bWFwX2Fzc2VydF93cml0ZV9sb2NrZWQoc3RydWN0IG1tX3N0cnVjdCAqbW0pDQogCVZNX0JVR19P Tl9NTSghcndzZW1faXNfbG9ja2VkKCZtbS0+bW1hcF9sb2NrKSwgbW0pOw0KIH0NCiANCitzdGF0 aWMgaW5saW5lIGludCBtbWFwX2xvY2tfaXNfY29udGVuZGVkKHN0cnVjdCBtbV9zdHJ1Y3QgKm1t KQ0KK3sNCisJcmV0dXJuIHJ3c2VtX2lzX2NvbnRlbmRlZCgmbW0tPm1tYXBfbG9jayk7DQorfQ0K Kw0KICNlbmRpZiAvKiBfTElOVVhfTU1BUF9MT0NLX0ggKi8NCi0tIA0KMS45LjENCg==