From patchwork Sun Jan 23 18:38:56 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yury Norov X-Patchwork-Id: 12721098 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9BE9BC433F5 for ; Sun, 23 Jan 2022 18:41:10 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 885D56B0081; Sun, 23 Jan 2022 13:41:09 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 833216B0083; Sun, 23 Jan 2022 13:41:09 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 6FA0B6B0085; Sun, 23 Jan 2022 13:41:09 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0123.hostedemail.com [216.40.44.123]) by kanga.kvack.org (Postfix) with ESMTP id 5E5546B0081 for ; Sun, 23 Jan 2022 13:41:09 -0500 (EST) Received: from smtpin07.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 16E7B9367B for ; Sun, 23 Jan 2022 18:41:09 +0000 (UTC) X-FDA: 79062419058.07.8A86B4D Received: from mail-pj1-f49.google.com (mail-pj1-f49.google.com [209.85.216.49]) by imf01.hostedemail.com (Postfix) with ESMTP id 7F1014001A for ; Sun, 23 Jan 2022 18:41:08 +0000 (UTC) Received: by mail-pj1-f49.google.com with SMTP id w12-20020a17090a528c00b001b276aa3aabso18609851pjh.0 for ; Sun, 23 Jan 2022 10:41:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=/VgvGoSrjM7RHhvz4oz6UhP4t05IzW+FafmG/hxmK+g=; b=LtksDaUoKFgi6fsMPm0LDpUgQbJ1garCGl3knzuF4lCLaZ3c+Yrsn7OJJn4xT3yZMz qsEjgH5T23Sp6vKj0Xf98AkY37c6l52KvNWIc9u+gUXjEquq5MdjBegeB3QhUjG9VeoK kHMzkjDe3KwpVy01jvSDVT4RTAFNuKoRpg9WQ+bXRSqKI7x3EREi1itGAmmnmMX9zyAb OgfvbBkheON1V3OLU/a7FTndsUWqMzFAPMeI5mkD9gnX41YSkLDgoF6gMv8ptI1H9ksB gq+VEGbDrkrXDa2G0Fs0rQSEvAOsF2abSE0i4tOqxQTeF+nuNpz4uuApyqxnnvsc2ctR mUFw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=/VgvGoSrjM7RHhvz4oz6UhP4t05IzW+FafmG/hxmK+g=; b=38qD+qt6sWywWVV5V0lccasdXe+b6ytItfnKzEOOHlWZ6ZZFur90bv6R36WQVArv7w vJo2MWdfHnKp+iq1NjB7bOTtt3KsU/GttNCjDGYDYZO2xU3+hg7iOkithJTfg2Xe3hk/ 2/JzqnHqkVvX7U1XdlwmV4u/Atsr9NL2hmlmesG1ndK/0ZLGYSETxq4I/P9eGWNitZAi K/s3EGMfhWRkF6EyfLeeUjGlr/V7c52GfkpaNSYiw/SwEiuUIaHcRoU6yofvw4A97NmD yNVzUwN4s5OT910hvK+uJtsYnInSnRBMtP0Jv39QxWx6LnnnOMy3YWAXx2/elgSKi5jn wPig== X-Gm-Message-State: AOAM530c3F3BMyThf8fDNHcFQB3m8sbrmKAxrD3IqjyJkwytglL/w4iH quigUyg4eipwL261ztp7qCU= X-Google-Smtp-Source: ABdhPJxM5+OvTM7zV5jkK8eH28BzzoNvH/Nv9KCuB2FTZ9Fcl9QZ0o8NEWTqi1guXckSoVXq6LTshg== X-Received: by 2002:a17:902:b489:b0:14a:4747:9917 with SMTP id y9-20020a170902b48900b0014a47479917mr11450174plr.26.1642963267529; Sun, 23 Jan 2022 10:41:07 -0800 (PST) Received: from localhost (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id l13sm10214049pgs.16.2022.01.23.10.41.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 23 Jan 2022 10:41:07 -0800 (PST) From: Yury Norov To: Yury Norov , Andy Shevchenko , Rasmus Villemoes , Andrew Morton , =?utf-8?b?TWljaGHFgiBNaXJvc8WC?= =?utf-8?b?YXc=?= , Greg Kroah-Hartman , Peter Zijlstra , David Laight , Joe Perches , Dennis Zhou , Emil Renner Berthing , Nicholas Piggin , Matti Vaittinen , Alexey Klimov , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 25/54] mm/vmstat: replace cpumask_weight with cpumask_empty where appropriate Date: Sun, 23 Jan 2022 10:38:56 -0800 Message-Id: <20220123183925.1052919-26-yury.norov@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220123183925.1052919-1-yury.norov@gmail.com> References: <20220123183925.1052919-1-yury.norov@gmail.com> MIME-Version: 1.0 X-Rspam-User: nil X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 7F1014001A X-Stat-Signature: xjjjospgozkytr5d9iocqfa97o1tw3se Authentication-Results: imf01.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=LtksDaUo; spf=pass (imf01.hostedemail.com: domain of yury.norov@gmail.com designates 209.85.216.49 as permitted sender) smtp.mailfrom=yury.norov@gmail.com; dmarc=pass (policy=none) header.from=gmail.com X-HE-Tag: 1642963268-102578 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: mm/vmstat.c code calls cpumask_weight() to check if any bit of a given cpumask is set. We can do it more efficiently with cpumask_empty() because cpumask_empty() stops traversing the cpumask as soon as it finds first set bit, while cpumask_weight() counts all bits unconditionally. Signed-off-by: Yury Norov --- mm/vmstat.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/vmstat.c b/mm/vmstat.c index 4057372745d0..f56f11e3eef5 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -2035,7 +2035,7 @@ static void __init init_cpu_node_state(void) int node; for_each_online_node(node) { - if (cpumask_weight(cpumask_of_node(node)) > 0) + if (!cpumask_empty(cpumask_of_node(node))) node_set_state(node, N_CPU); } } @@ -2062,7 +2062,7 @@ static int vmstat_cpu_dead(unsigned int cpu) refresh_zone_stat_thresholds(); node_cpus = cpumask_of_node(node); - if (cpumask_weight(node_cpus) > 0) + if (!cpumask_empty(node_cpus)) return 0; node_clear_state(node, N_CPU); From patchwork Sun Jan 23 18:39:22 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yury Norov X-Patchwork-Id: 12721099 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id A79B7C433F5 for ; Sun, 23 Jan 2022 18:42:30 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 219686B0081; Sun, 23 Jan 2022 13:42:30 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 1F0286B0083; Sun, 23 Jan 2022 13:42:30 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 0927B6B0085; Sun, 23 Jan 2022 13:42:30 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0072.hostedemail.com [216.40.44.72]) by kanga.kvack.org (Postfix) with ESMTP id EF2576B0081 for ; Sun, 23 Jan 2022 13:42:29 -0500 (EST) Received: from smtpin18.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id B4B228FD36 for ; Sun, 23 Jan 2022 18:42:29 +0000 (UTC) X-FDA: 79062422418.18.A6275E7 Received: from mail-pg1-f178.google.com (mail-pg1-f178.google.com [209.85.215.178]) by imf03.hostedemail.com (Postfix) with ESMTP id 5703120032 for ; Sun, 23 Jan 2022 18:42:29 +0000 (UTC) Received: by mail-pg1-f178.google.com with SMTP id h23so13125322pgk.11 for ; Sun, 23 Jan 2022 10:42:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=Ouatn2R2XSrlqBb/cl6QBZlhDkWXWZjR0T2HBFMF8GM=; b=Pg+6hPzMUrdJ2L0XacgOuQCKjl4jmD1DkA4Uft+PyFR3TG54sPD+Vgh5++LQcbqVcV ylxUcOCGkUe7IWVmwD2RuZYGjfzClUYynm95FBXzxuFGgIkfqk4jW7AKoYK9A5FUGhuJ sVukEpWtFRuWctbRULsmwXelbY2fsOOfcIhFUJjs+cBsQM+cs6jGbbA2cbh5zVnDfKsu k9dmhPbTZOq7mJM6vn095szshkPUxZNrubKcCMQxWn/W19NNa79wsYTpwCY8ol+XoPgt 7DPidvWsROJ378WbseEcbhSy28SO0NcPuyDD1CYAhMjsFte3s3JcqDUnJ8tRB7EuhjY0 8hWA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Ouatn2R2XSrlqBb/cl6QBZlhDkWXWZjR0T2HBFMF8GM=; b=22yPezsU39EWXb9hDaNL4e3ufR3fEqEUO5Pjw8ivhsOeZgaurA+UQxoiI6em0KkgyR jZ8i7tYY+anwWAKtAKCvUjsM6wKu4SMYXT2ga5rKIjGLzdj7pNUoi+cp/a/PC2bKJOWR wEKMYwd1eJS2YBUx2j6a1woBqs7nRl60ICKWnYFr5r1n0K2Wjj2LJgQBu9ipV1+q+CaD XVT3DMFKBYyPtff+W0p2F9LOHXiDHn0t4CP6it75SNaTBJkmMjc+U7+IvlSNrFQl5El+ dCag1TU3y5Xa0j3UKT3nioXOENFZ5hr3+1nJKVeLfIfz047sCUI5Y0gsStiHz0sLpULS Zkvg== X-Gm-Message-State: AOAM532l3KTfg7q+V0vD3EdGKZijavNis6AZK3o8rNQqwGfhVqiZoA5/ fYmybwrVkDwWnwEGs4unS4o= X-Google-Smtp-Source: ABdhPJy0WTtp3rHcuax4YIT+LcH4DXFc3zkfPiLxk2xJ70kkMzrkhq/X13/68EEM7x8rgLqZZjwFPg== X-Received: by 2002:a63:b34c:: with SMTP id x12mr9392573pgt.541.1642963348406; Sun, 23 Jan 2022 10:42:28 -0800 (PST) Received: from localhost (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id y20sm2328066pfi.78.2022.01.23.10.42.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 23 Jan 2022 10:42:28 -0800 (PST) From: Yury Norov To: Yury Norov , Andy Shevchenko , Rasmus Villemoes , Andrew Morton , =?utf-8?b?TWljaGHFgiBNaXJvc8WC?= =?utf-8?b?YXc=?= , Greg Kroah-Hartman , Peter Zijlstra , David Laight , Joe Perches , Dennis Zhou , Emil Renner Berthing , Nicholas Piggin , Matti Vaittinen , Alexey Klimov , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 51/54] mm: replace nodes_weight with nodes_weight_eq in mempolicy Date: Sun, 23 Jan 2022 10:39:22 -0800 Message-Id: <20220123183925.1052919-52-yury.norov@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220123183925.1052919-1-yury.norov@gmail.com> References: <20220123183925.1052919-1-yury.norov@gmail.com> MIME-Version: 1.0 X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 5703120032 X-Stat-Signature: xb6cgefguir6fojyu4mphtro1x46guns Authentication-Results: imf03.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=Pg+6hPzM; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (imf03.hostedemail.com: domain of yury.norov@gmail.com designates 209.85.215.178 as permitted sender) smtp.mailfrom=yury.norov@gmail.com X-HE-Tag: 1642963349-352357 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: do_migrate_pages() calls nodes_weight() to compare the weight of nodemask with a given number. We can do it more efficiently with nodes_weight_eq() because conditional nodes_weight() may stop traversing the nodemask earlier, as soon as condition is met. Signed-off-by: Yury Norov --- mm/mempolicy.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/mempolicy.c b/mm/mempolicy.c index a86590b2507d..27817cf2f2a0 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -1157,7 +1157,7 @@ int do_migrate_pages(struct mm_struct *mm, const nodemask_t *from, * [0-7] - > [3,4,5] moves only 0,1,2,6,7. */ - if ((nodes_weight(*from) != nodes_weight(*to)) && + if (!nodes_weight_eq(*from, nodes_weight(*to)) && (node_isset(s, *to))) continue; From patchwork Sun Jan 23 18:39:23 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yury Norov X-Patchwork-Id: 12721100 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id EB26FC433EF for ; Sun, 23 Jan 2022 18:42:34 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 462936B0083; Sun, 23 Jan 2022 13:42:34 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 412926B0085; Sun, 23 Jan 2022 13:42:34 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 3017D6B0087; Sun, 23 Jan 2022 13:42:34 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0199.hostedemail.com [216.40.44.199]) by kanga.kvack.org (Postfix) with ESMTP id 21CE36B0083 for ; Sun, 23 Jan 2022 13:42:34 -0500 (EST) Received: from smtpin21.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id D110F92755 for ; Sun, 23 Jan 2022 18:42:33 +0000 (UTC) X-FDA: 79062422586.21.77A2D76 Received: from mail-pf1-f177.google.com (mail-pf1-f177.google.com [209.85.210.177]) by imf15.hostedemail.com (Postfix) with ESMTP id C307FA0032 for ; Sun, 23 Jan 2022 18:42:32 +0000 (UTC) Received: by mail-pf1-f177.google.com with SMTP id u130so9499705pfc.2 for ; Sun, 23 Jan 2022 10:42:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=85CEHLzivVSDPv5NoUUHMFbNwsVpSDhXVe4Dokl88jA=; b=UzLV4ACAW1Zy650aoKKKtti7eIYU39SU4smwBi6B3avNAIj+XR/PLCLBZK7l8VFZGd GOy2eGmfswc9be1FqLvOFJQ9k4AveCVBGC9efdwLQ/Ntp/+55BTmI5Wx6A1/VNWY4rKL f//7wEMw7b/7dWk9eXodLjfhTVgj7bWk//YBPIJptJPcK7+kqhioGoP0gZtSiBe9mT8Q FUrvSqGgkNljkIUpAVSAm6jqntWWFFJ8C7/aXlmsCAywzSh7xfUTuxF6RBVnzcyq6J8S bOkE/gKUxJf09SuXz0WQHQ6tjK3FC8HTY4bDHghjLZ6GOodD8DCQuZWaqY4aPyB0qjfg Zf3Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=85CEHLzivVSDPv5NoUUHMFbNwsVpSDhXVe4Dokl88jA=; b=ZYrXgbrz8FZu8FJjGOnxiC2eNfX99rWgMcOu1+yitiFfMr8Jo0SfOLNwxvHF6j6cdg 28uhxb/XHq3UtbsByGvUXHw82a9VwSJQJD1EzY7m90OBK58g8Dl4peslU/Y3Jv+O4HQp 2ayQP5TPN3KrV6QqhbUNgewYEBGrzzb2oatzoBL+IF/h9t/ev8fg3O7VrdwWj3euAoaI rIJb3e3L69d9fk8hNg4e+LT5kOFBmjO/MQyD2HNHjZ1yxcp+LZQCKCILv+hcx6lEP2QJ A1gJIyA0YRRyGubvoIct7k+q1FYc5pEehPoHe7NFys3vU4KBLbtlaQHaXeqTzon+0gNq w1ag== X-Gm-Message-State: AOAM532i0Sfy1BLNEu3RFPLym2e2H4sq1vAI8CKmsc9UDEI0JWGkl+VG pmXU457skIquUZ4QDfFUtT8= X-Google-Smtp-Source: ABdhPJzbT2vRHTzHp9RDGT6tMM884pEgiTMl6MSvk/izz/msw8mIEJTAbh58Y/esUmn/X7IAMRDKxg== X-Received: by 2002:a05:6a00:1407:b0:4c3:3ab:1467 with SMTP id l7-20020a056a00140700b004c303ab1467mr11218233pfu.22.1642963351381; Sun, 23 Jan 2022 10:42:31 -0800 (PST) Received: from localhost (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id k13sm14218413pfc.176.2022.01.23.10.42.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 23 Jan 2022 10:42:31 -0800 (PST) From: Yury Norov To: Yury Norov , Andy Shevchenko , Rasmus Villemoes , Andrew Morton , =?utf-8?b?TWljaGHFgiBNaXJvc8WC?= =?utf-8?b?YXc=?= , Greg Kroah-Hartman , Peter Zijlstra , David Laight , Joe Perches , Dennis Zhou , Emil Renner Berthing , Nicholas Piggin , Matti Vaittinen , Alexey Klimov , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 52/54] lib/nodemask: add num_node_state_eq() Date: Sun, 23 Jan 2022 10:39:23 -0800 Message-Id: <20220123183925.1052919-53-yury.norov@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220123183925.1052919-1-yury.norov@gmail.com> References: <20220123183925.1052919-1-yury.norov@gmail.com> MIME-Version: 1.0 X-Rspamd-Queue-Id: C307FA0032 X-Stat-Signature: bc731cnqq3qjzx1eqwsmcgw5w3ce4u78 Authentication-Results: imf15.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=UzLV4ACA; spf=pass (imf15.hostedemail.com: domain of yury.norov@gmail.com designates 209.85.210.177 as permitted sender) smtp.mailfrom=yury.norov@gmail.com; dmarc=pass (policy=none) header.from=gmail.com X-Rspamd-Server: rspam09 X-HE-Tag: 1642963352-708345 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: Kernel code uses num_node_state() to compare number of nodes with a given number. The underlying code calls bitmap_weight(), and we can do it more efficiently with num_node_state_eq because conditional nodes_weight may stop traversing the nodemask earlier, as soon as condition is met. Signed-off-by: Yury Norov --- include/linux/nodemask.h | 5 +++++ mm/page_alloc.c | 2 +- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/include/linux/nodemask.h b/include/linux/nodemask.h index 197598e075e9..c5014dbf3cce 100644 --- a/include/linux/nodemask.h +++ b/include/linux/nodemask.h @@ -466,6 +466,11 @@ static inline int num_node_state(enum node_states state) return nodes_weight(node_states[state]); } +static inline int num_node_state_eq(enum node_states state, int num) +{ + return nodes_weight_eq(node_states[state], num); +} + #define for_each_node_state(__node, __state) \ for_each_node_mask((__node), node_states[__state]) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 8dd6399bafb5..37496d764643 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -8328,7 +8328,7 @@ void __init page_alloc_init(void) int ret; #ifdef CONFIG_NUMA - if (num_node_state(N_MEMORY) == 1) + if (num_node_state_eq(N_MEMORY, 1)) hashdist = 0; #endif