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=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, 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 65A1CC433B4 for ; Fri, 16 Apr 2021 23:16:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 447266101C for ; Fri, 16 Apr 2021 23:16:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234956AbhDPXRK (ORCPT ); Fri, 16 Apr 2021 19:17:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47676 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234852AbhDPXRI (ORCPT ); Fri, 16 Apr 2021 19:17:08 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 51336C061574 for ; Fri, 16 Apr 2021 16:16:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=E+rNvZH/v24SH+BMkGHYoijVhEslQSTS8uP6FhJ/M14=; b=TkQ2pGogRgOQhcBWFSofysPz9y EG/XQ0PTJ3g/SLbIv8Ezgc7TYUXOaq08D6e67Pyzy+ZyAxnN/leX522obRxIHviAu/ViCpmgL46hd JLEapZ2ES2byDXCOegUUy6QZEvhvswpvJD/iXsDnqKpTYjCIEE0qGaGPUCfbfcfvB/ID94Vqfzf6y cauzoB9/biiM98zZeNNfFlwyuaQ+gknBYEwAkVCUUAOrCI59xt77P3CT+cFEAljJamoHsMBxIzm/o h9a/AQc5Ovau7KXMYhVluopSQsYKE3DTuY6yPzf3NtfrCr8BbHGNlVD1mZYw/7xrALexKsQP/eHDu NqbFDFsg==; Received: from willy by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1lXXh0-00AZxX-8D; Fri, 16 Apr 2021 23:16:12 +0000 From: "Matthew Wilcox (Oracle)" To: linux-mm@kvack.org Cc: "Matthew Wilcox (Oracle)" , Andrew Morton , linux-kernel@vger.kernel.org Subject: [PATCH 3/6] mm/page_owner: Constify dump_page_owner Date: Sat, 17 Apr 2021 00:15:28 +0100 Message-Id: <20210416231531.2521383-4-willy@infradead.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210416231531.2521383-1-willy@infradead.org> References: <20210416231531.2521383-1-willy@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org dump_page_owner() only uses struct page to find the page_ext, and lookup_page_ext() already takes a const argument. Signed-off-by: Matthew Wilcox (Oracle) --- include/linux/page_owner.h | 6 +++--- mm/page_owner.c | 2 +- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/include/linux/page_owner.h b/include/linux/page_owner.h index 3468794f83d2..719bfe5108c5 100644 --- a/include/linux/page_owner.h +++ b/include/linux/page_owner.h @@ -14,7 +14,7 @@ extern void __set_page_owner(struct page *page, extern void __split_page_owner(struct page *page, unsigned int nr); extern void __copy_page_owner(struct page *oldpage, struct page *newpage); extern void __set_page_owner_migrate_reason(struct page *page, int reason); -extern void __dump_page_owner(struct page *page); +extern void __dump_page_owner(const struct page *page); extern void pagetypeinfo_showmixedcount_print(struct seq_file *m, pg_data_t *pgdat, struct zone *zone); @@ -46,7 +46,7 @@ static inline void set_page_owner_migrate_reason(struct page *page, int reason) if (static_branch_unlikely(&page_owner_inited)) __set_page_owner_migrate_reason(page, reason); } -static inline void dump_page_owner(struct page *page) +static inline void dump_page_owner(const struct page *page) { if (static_branch_unlikely(&page_owner_inited)) __dump_page_owner(page); @@ -69,7 +69,7 @@ static inline void copy_page_owner(struct page *oldpage, struct page *newpage) static inline void set_page_owner_migrate_reason(struct page *page, int reason) { } -static inline void dump_page_owner(struct page *page) +static inline void dump_page_owner(const struct page *page) { } #endif /* CONFIG_PAGE_OWNER */ diff --git a/mm/page_owner.c b/mm/page_owner.c index adfabb560eb9..f51a57e92aa3 100644 --- a/mm/page_owner.c +++ b/mm/page_owner.c @@ -392,7 +392,7 @@ print_page_owner(char __user *buf, size_t count, unsigned long pfn, return -ENOMEM; } -void __dump_page_owner(struct page *page) +void __dump_page_owner(const struct page *page) { struct page_ext *page_ext = lookup_page_ext(page); struct page_owner *page_owner; -- 2.30.2