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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 B304CC5ACD6 for ; Wed, 18 Mar 2020 17:46:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8570020753 for ; Wed, 18 Mar 2020 17:46:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ixZQfe2g" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726857AbgCRRqZ (ORCPT ); Wed, 18 Mar 2020 13:46:25 -0400 Received: from mail-lj1-f195.google.com ([209.85.208.195]:34097 "EHLO mail-lj1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726619AbgCRRqZ (ORCPT ); Wed, 18 Mar 2020 13:46:25 -0400 Received: by mail-lj1-f195.google.com with SMTP id s13so28073084ljm.1 for ; Wed, 18 Mar 2020 10:46:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=iGcvkcUngLNOfO6036cGPDGn51b4oPN22Ez00N6emqg=; b=ixZQfe2g+voe5aqc0HJY6gYLwCGURYPDWDwqHu4C9pXXBBJNn+sRQvB9xkB6TS6MOc lknr5rj/D2hqFqNeZYcjQM20BCUD8/WxS+1YBp64qPsadk1+NWdIF5koBZs2Q/LZWSJR zH69TpN7nnmMLPNdBggY7PhCz9o8eQ9Z3eDWmyE1LlUQyr2gdnzFhh6AtOx6dLnsP1Ur 9bOtIJwe3eQYcJUWswcVzI6P49yHDcBkZeVcCyCY5v4gcYnUMB6Kvr46zrhU0Kh/8Kdy nCYVad+ahAg9+TvrPb3OXUi3P7X6EiFnukY6yCJLViRvil7OSPFU39emsXCEr1QPLnVf jD/w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=iGcvkcUngLNOfO6036cGPDGn51b4oPN22Ez00N6emqg=; b=oEd8fprrL7HQeyXqNtst+BRC1il/hYLpQdxCw8Lh3dAz6tsyGs7yHeMefVVeWM6N7w VJ2aheYucOnmmbhcPeUoZDpoBdxWYpEvl7huP6Ah6VhtamsD+S7x9IfgQ2bQ+nnJM5RC /xSmwkh1+A+38DkndPokRb7f1otaVPGPz80OAQdvlmcAf7IXOO2B5RLV36EKUus1XS3L esDl50mPslOuztsObEkFOPhS3Sj6+RP3MQ0U+2N6mgY7CXAKGNpxPornu4RrqSzIv9zT /uwIfnT3J+6VNCTvI9Am+CYjJWoH6xwXmwOYlPhPWkL6V8ihynPlNUQ60jLx7dobuuN0 5agQ== X-Gm-Message-State: ANhLgQ3SiGk2qG79i0/eKIIrptM9G1MCNRp5jT1q3C6cHocxVSAtq2XP XuEH40ptahIgPn9Y27eAC4YUB2eV X-Google-Smtp-Source: ADFU+vvYJdyk3WGbSLY49KqHn2Rtl+y4apk2nirXHeTkZNZxAweJsm8hXxKXYh2FzcS8gkbwNMyTEg== X-Received: by 2002:a2e:93c9:: with SMTP id p9mr2948032ljh.136.1584553583274; Wed, 18 Mar 2020 10:46:23 -0700 (PDT) Received: from localhost.localdomain (188.146.97.196.nat.umts.dynamic.t-mobile.pl. [188.146.97.196]) by smtp.gmail.com with ESMTPSA id y184sm4928967lfc.97.2020.03.18.10.46.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Mar 2020 10:46:22 -0700 (PDT) From: mateusznosek0@gmail.com To: linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: Mateusz Nosek , akpm@linux-foundation.org Subject: [PATCH] mm/compaction.c: Clean code by removing unnecessary assignment Date: Wed, 18 Mar 2020 18:45:09 +0100 Message-Id: <20200318174509.15021-1-mateusznosek0@gmail.com> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Mateusz Nosek Previously 0 was assigned to variable 'last_migrated_pfn'. But the variable is not read after that, so the assignment can be removed. Signed-off-by: Mateusz Nosek --- mm/compaction.c | 1 - 1 file changed, 1 deletion(-) diff --git a/mm/compaction.c b/mm/compaction.c index 827d8a2b3164..4576d6c5afb5 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -2183,7 +2183,6 @@ compact_zone(struct compact_control *cc, struct capture_control *capc) ret = COMPACT_CONTENDED; putback_movable_pages(&cc->migratepages); cc->nr_migratepages = 0; - last_migrated_pfn = 0; goto out; case ISOLATE_NONE: if (update_cached) { -- 2.17.1