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=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 E347FC433E1 for ; Tue, 30 Jun 2020 20:52:40 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id B110920702 for ; Tue, 30 Jun 2020 20:52:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B110920702 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=davemloft.net Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 508096B0089; Tue, 30 Jun 2020 16:52:40 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 4B9396B008C; Tue, 30 Jun 2020 16:52:40 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 3CF096B0092; Tue, 30 Jun 2020 16:52:40 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0163.hostedemail.com [216.40.44.163]) by kanga.kvack.org (Postfix) with ESMTP id 275C56B0089 for ; Tue, 30 Jun 2020 16:52:40 -0400 (EDT) Received: from smtpin13.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id E26FD2DFA for ; Tue, 30 Jun 2020 20:52:39 +0000 (UTC) X-FDA: 76987076838.13.mind28_5c15a6126e7b Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin13.hostedemail.com (Postfix) with ESMTP id B9B9A18140B67 for ; Tue, 30 Jun 2020 20:52:39 +0000 (UTC) X-HE-Tag: mind28_5c15a6126e7b X-Filterd-Recvd-Size: 1866 Received: from shards.monkeyblade.net (shards.monkeyblade.net [23.128.96.9]) by imf41.hostedemail.com (Postfix) with ESMTP for ; Tue, 30 Jun 2020 20:52:39 +0000 (UTC) Received: from localhost (unknown [IPv6:2601:601:9f00:477::3d5]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 06AED12786C13; Tue, 30 Jun 2020 13:52:37 -0700 (PDT) Date: Tue, 30 Jun 2020 13:52:37 -0700 (PDT) Message-Id: <20200630.135237.1160983148962711910.davem@davemloft.net> To: peterx@redhat.com Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, akpm@linux-foundation.org, jhubbard@nvidia.com, mpe@ellerman.id.au, gerald.schaefer@de.ibm.com, aarcange@redhat.com, torvalds@linux-foundation.org, will@kernel.org, sparclinux@vger.kernel.org Subject: Re: [PATCH v4 21/26] mm/sparc64: Use general page fault accounting From: David Miller In-Reply-To: <20200630204556.39491-1-peterx@redhat.com> References: <20200630204556.39491-1-peterx@redhat.com> X-Mailer: Mew version 6.8 on Emacs 26.3 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Tue, 30 Jun 2020 13:52:38 -0700 (PDT) X-Rspamd-Queue-Id: B9B9A18140B67 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam04 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Peter Xu Date: Tue, 30 Jun 2020 16:45:56 -0400 > Use the general page fault accounting by passing regs into handle_mm_fault(). > It naturally solve the issue of multiple page fault accounting when page fault > retry happened. > > CC: David S. Miller > CC: sparclinux@vger.kernel.org > Signed-off-by: Peter Xu Acked-by: David S. Miller