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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 E213AC433B4 for ; Tue, 18 May 2021 13:54:05 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 830F361184 for ; Tue, 18 May 2021 13:54:05 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 830F361184 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 1A0DE6B0128; Tue, 18 May 2021 09:54:04 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 0C5D58E0023; Tue, 18 May 2021 09:54:04 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E6CF56B012B; Tue, 18 May 2021 09:54:03 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0149.hostedemail.com [216.40.44.149]) by kanga.kvack.org (Postfix) with ESMTP id B450F6B0127 for ; Tue, 18 May 2021 09:54:03 -0400 (EDT) Received: from smtpin12.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 3D3288249980 for ; Tue, 18 May 2021 13:54:03 +0000 (UTC) X-FDA: 78154495566.12.AB08B4B Received: from szxga04-in.huawei.com (szxga04-in.huawei.com [45.249.212.190]) by imf11.hostedemail.com (Postfix) with ESMTP id C4E4F2000253 for ; Tue, 18 May 2021 13:53:59 +0000 (UTC) Received: from dggems701-chm.china.huawei.com (unknown [172.30.72.58]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4Fky7V3b1kzqVCP; Tue, 18 May 2021 21:50:30 +0800 (CST) Received: from dggeme703-chm.china.huawei.com (10.1.199.99) by dggems701-chm.china.huawei.com (10.3.19.178) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2176.2; Tue, 18 May 2021 21:53:59 +0800 Received: from huawei.com (10.175.104.170) by dggeme703-chm.china.huawei.com (10.1.199.99) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Tue, 18 May 2021 21:53:58 +0800 From: Miaohe Lin To: CC: , , Subject: [PATCH 4/5] mm/swap: remove unused global variable nr_swapper_spaces Date: Tue, 18 May 2021 21:53:51 +0800 Message-ID: <20210518135352.3705306-5-linmiaohe@huawei.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20210518135352.3705306-1-linmiaohe@huawei.com> References: <20210518135352.3705306-1-linmiaohe@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.175.104.170] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggeme703-chm.china.huawei.com (10.1.199.99) X-CFilter-Loop: Reflected X-Rspamd-Queue-Id: C4E4F2000253 Authentication-Results: imf11.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=huawei.com; spf=pass (imf11.hostedemail.com: domain of linmiaohe@huawei.com designates 45.249.212.190 as permitted sender) smtp.mailfrom=linmiaohe@huawei.com X-Rspamd-Server: rspam04 X-Stat-Signature: 9wccqkh1kgwmuargonm1rj78cjesfai4 X-HE-Tag: 1621346039-613434 Content-Transfer-Encoding: quoted-printable 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: Since commit b6038942480e ("mm: memcg: add swapcache stat for memcg v2"), the last user of nr_swapper_spaces is gone. So we remove this unused one. Signed-off-by: Miaohe Lin --- mm/swap_state.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/mm/swap_state.c b/mm/swap_state.c index bab386c7b655..a55b7b74b0e6 100644 --- a/mm/swap_state.c +++ b/mm/swap_state.c @@ -37,7 +37,6 @@ static const struct address_space_operations swap_aops = =3D { }; =20 struct address_space *swapper_spaces[MAX_SWAPFILES] __read_mostly; -static unsigned int nr_swapper_spaces[MAX_SWAPFILES] __read_mostly; static bool enable_vma_readahead __read_mostly =3D true; =20 #define SWAP_RA_WIN_SHIFT (PAGE_SHIFT / 2) @@ -686,7 +685,6 @@ int init_swap_address_space(unsigned int type, unsign= ed long nr_pages) /* swap cache doesn't use writeback related tags */ mapping_set_no_writeback_tags(space); } - nr_swapper_spaces[type] =3D nr; swapper_spaces[type] =3D spaces; =20 return 0; @@ -695,7 +693,6 @@ int init_swap_address_space(unsigned int type, unsign= ed long nr_pages) void exit_swap_address_space(unsigned int type) { kvfree(swapper_spaces[type]); - nr_swapper_spaces[type] =3D 0; swapper_spaces[type] =3D NULL; } =20 --=20 2.23.0