linux-kernel - [PATCH 06/12] mm: page_alloc: remove alloc_contig_dump

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Message-ID: <20230508071200.123962-7-wangkefeng.wang@huawei.com>
Date:   Mon, 8 May 2023 15:11:54 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Mike Rapoport <rppt@...nel.org>, <linux-mm@...ck.org>
CC:     David Hildenbrand <david@...hat.com>,
        Oscar Salvador <osalvador@...e.de>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Pavel Machek <pavel@....cz>, Len Brown <len.brown@...el.com>,
        Luis Chamberlain <mcgrof@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Iurii Zaikin <yzaikin@...gle.com>,
        <linux-kernel@...r.kernel.org>, <linux-pm@...r.kernel.org>,
        <linux-fsdevel@...r.kernel.org>,
        Kefeng Wang <wangkefeng.wang@...wei.com>
Subject: [PATCH 06/12] mm: page_alloc: remove alloc_contig_dump_pages() stub

DEFINE_DYNAMIC_DEBUG_METADATA and DYNAMIC_DEBUG_BRANCH already has
stub definitions without dynamic debug feature, remove unnecessary
alloc_contig_dump_pages() stub.

Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
---
 mm/page_alloc.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 348dcbaca757..bc453edbad21 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -6161,8 +6161,6 @@ int percpu_pagelist_high_fraction_sysctl_handler(struct ctl_table *table,
 }
 
 #ifdef CONFIG_CONTIG_ALLOC
-#if defined(CONFIG_DYNAMIC_DEBUG) || \
-	(defined(CONFIG_DYNAMIC_DEBUG_CORE) && defined(DYNAMIC_DEBUG_MODULE))
 /* Usage: See admin-guide/dynamic-debug-howto.rst */
 static void alloc_contig_dump_pages(struct list_head *page_list)
 {
@@ -6176,11 +6174,6 @@ static void alloc_contig_dump_pages(struct list_head *page_list)
 			dump_page(page, "migration failure");
 	}
 }
-#else
-static inline void alloc_contig_dump_pages(struct list_head *page_list)
-{
-}
-#endif
 
 /* [start, end) must belong to a single zone. */
 int __alloc_contig_migrate_range(struct compact_control *cc,
-- 
2.35.3