From patchwork Tue Jul 7 16:32:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 11649253 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 82561739 for ; Tue, 7 Jul 2020 16:32:36 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 4F89420738 for ; Tue, 7 Jul 2020 16:32:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="bZkSnZ9T" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4F89420738 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 60F126B000E; Tue, 7 Jul 2020 12:32:35 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 5C10B6B0088; Tue, 7 Jul 2020 12:32:35 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4D4FB6B0089; Tue, 7 Jul 2020 12:32:35 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0232.hostedemail.com [216.40.44.232]) by kanga.kvack.org (Postfix) with ESMTP id 38A786B000E for ; Tue, 7 Jul 2020 12:32:35 -0400 (EDT) Received: from smtpin29.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id D159F82499A8 for ; Tue, 7 Jul 2020 16:32:34 +0000 (UTC) X-FDA: 77011823028.29.shoes72_0c017df26eb5 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin29.hostedemail.com (Postfix) with ESMTP id A7FCF18086CC2 for ; Tue, 7 Jul 2020 16:32:34 +0000 (UTC) X-Spam-Summary: 1,0,0,50306e8f78c046f6,d41d8cd98f00b204,rppt@kernel.org,,RULES_HIT:41:355:379:541:800:960:968:973:988:989:1260:1311:1314:1345:1437:1515:1534:1540:1711:1714:1730:1747:1777:1792:2393:2559:2562:3138:3139:3140:3141:3142:3351:3865:3867:3868:3871:4419:5007:6119:6261:6653:7576:8603:10004:11026:11473:11658:11914:12043:12114:12297:12438:12517:12519:12555:12679:12895:13069:13311:13357:13894:14096:14181:14384:14394:14721:21080:21451:21627:30054:30070,0,RBL:198.145.29.99:@kernel.org:.lbl8.mailshell.net-62.2.0.100 64.100.201.201;04y8cdwwk4fec1uxnsex5owbci5y6ocdmr8kng8uyeser4adn9w3igoi4z4h4e3.9rtfnxo54s695dekumsr54uii77uyyk6u5361fdpw94unqgkpyxwkt7nq6d5uq1.6-lbl8.mailshell.net-223.238.255.100,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fp,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFtime:26,LUA_SUMMARY:none X-HE-Tag: shoes72_0c017df26eb5 X-Filterd-Recvd-Size: 2161 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf33.hostedemail.com (Postfix) with ESMTP for ; Tue, 7 Jul 2020 16:32:34 +0000 (UTC) Received: from hump.s81c.com (unknown [87.71.40.38]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 18E87206CD; Tue, 7 Jul 2020 16:32:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594139553; bh=BUB86f4VqcYA1jo30T5wmdSlQD5O7Xdjk8OuWnZl/hk=; h=From:To:Cc:Subject:Date:From; b=bZkSnZ9T/rqTTcyzWkf7bbHO/JevdiSmUWdBhlfhKJvWezsiJLUk3dq9WlkHyHHzv +jF8YRhgiACk9qyhDkJMOBOE9PSkQmgUuMvJeYg7BzbiKU0TRHJGM3E2kaQVoY/Nzj kOYaXJgZInJtNugDVLEv+A46S+bCx2zSIYpE6rjk= From: Mike Rapoport To: Andrew Morton Cc: Joerg Roedel , Mike Rapoport , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Mike Rapoport Subject: [PATCH] mm: vmalloc: remove redundant asignmnet in unmap_kernel_range_noflush() Date: Tue, 7 Jul 2020 19:32:26 +0300 Message-Id: <20200707163226.374685-1-rppt@kernel.org> X-Mailer: git-send-email 2.25.4 MIME-Version: 1.0 X-Rspamd-Queue-Id: A7FCF18086CC2 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam05 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: Mike Rapoport 'addr' is set to 'start' and then a few lines afterwards 'start' is set to 'addr'. Remove the second asignment. Fixes: 2ba3e6947aed ("mm/vmalloc: track which page-table levels were modified") Signed-off-by: Mike Rapoport Reviewed-by: David Hildenbrand --- mm/vmalloc.c | 1 - 1 file changed, 1 deletion(-) diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 5a2b55c8dd9a..68ebbafc9c9b 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -171,11 +171,10 @@ void unmap_kernel_range_noflush(unsigned long start, unsigned long size) pgd_t *pgd; unsigned long addr = start; pgtbl_mod_mask mask = 0; BUG_ON(addr >= end); - start = addr; pgd = pgd_offset_k(addr); do { next = pgd_addr_end(addr, end); if (pgd_bad(*pgd)) mask |= PGTBL_PGD_MODIFIED;