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 59A7BC433ED for ; Tue, 18 May 2021 13:54:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3507E611BF for ; Tue, 18 May 2021 13:54:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245661AbhERNzU (ORCPT ); Tue, 18 May 2021 09:55:20 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:3015 "EHLO szxga05-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233507AbhERNzS (ORCPT ); Tue, 18 May 2021 09:55:18 -0400 Received: from dggems706-chm.china.huawei.com (unknown [172.30.72.60]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4Fky7T2jVPzQp87; Tue, 18 May 2021 21:50:29 +0800 (CST) Received: from dggeme703-chm.china.huawei.com (10.1.199.99) by dggems706-chm.china.huawei.com (10.3.19.183) 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 21:53:58 +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 21:53:57 +0800 From: Miaohe Lin To: CC: , , Subject: [PATCH 2/5] mm/swap: remove unused local variable nr_shadows Date: Tue, 18 May 2021 21:53:49 +0800 Message-ID: <20210518135352.3705306-3-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-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII 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 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Since commit 55c653b71e8c ("mm: stop accounting shadow entries"), nr_shadows is not used anymore. Signed-off-by: Miaohe Lin --- mm/swap_state.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/mm/swap_state.c b/mm/swap_state.c index df5405384520..bab386c7b655 100644 --- a/mm/swap_state.c +++ b/mm/swap_state.c @@ -114,7 +114,6 @@ int add_to_swap_cache(struct page *page, swp_entry_t entry, SetPageSwapCache(page); do { - unsigned long nr_shadows = 0; xas_lock_irq(&xas); xas_create_range(&xas); @@ -124,7 +123,6 @@ int add_to_swap_cache(struct page *page, swp_entry_t entry, VM_BUG_ON_PAGE(xas.xa_index != idx + i, page); old = xas_load(&xas); if (xa_is_value(old)) { - nr_shadows++; if (shadowp) *shadowp = old; } @@ -260,7 +258,6 @@ void clear_shadow_from_swap_cache(int type, unsigned long begin, void *old; for (;;) { - unsigned long nr_shadows = 0; swp_entry_t entry = swp_entry(type, curr); struct address_space *address_space = swap_address_space(entry); XA_STATE(xas, &address_space->i_pages, curr); @@ -270,7 +267,6 @@ void clear_shadow_from_swap_cache(int type, unsigned long begin, if (!xa_is_value(old)) continue; xas_store(&xas, NULL); - nr_shadows++; } xa_unlock_irq(&address_space->i_pages); -- 2.23.0