linux-kernel - [PATCH 2/2] mm: Move free_unref

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Message-Id: <20201125034655.27687-2-willy@infradead.org>
Date:   Wed, 25 Nov 2020 03:46:55 +0000
From:   "Matthew Wilcox (Oracle)" <willy@...radead.org>
To:     akpm@...ux-foundation.org
Cc:     "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        davem@...emloft.net, rppt@...nel.org, sparclinux@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: [PATCH 2/2] mm: Move free_unref_page to mm/internal.h

Code outside mm/ should not be calling free_unref_page().  Also
move free_unref_page_list().

Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>
---
 include/linux/gfp.h | 2 --
 mm/internal.h       | 3 +++
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index c603237e006c..6e479e9c48ce 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -580,8 +580,6 @@ void * __meminit alloc_pages_exact_nid(int nid, size_t size, gfp_t gfp_mask);
 
 extern void __free_pages(struct page *page, unsigned int order);
 extern void free_pages(unsigned long addr, unsigned int order);
-extern void free_unref_page(struct page *page);
-extern void free_unref_page_list(struct list_head *list);
 
 struct page_frag_cache;
 extern void __page_frag_cache_drain(struct page *page, unsigned int count);
diff --git a/mm/internal.h b/mm/internal.h
index 75ae680d0a2c..5864815947fe 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -201,6 +201,9 @@ extern void post_alloc_hook(struct page *page, unsigned int order,
 					gfp_t gfp_flags);
 extern int user_min_free_kbytes;
 
+extern void free_unref_page(struct page *page);
+extern void free_unref_page_list(struct list_head *list);
+
 extern void zone_pcp_update(struct zone *zone);
 extern void zone_pcp_reset(struct zone *zone);
 extern void zone_pcp_disable(struct zone *zone);
-- 
2.29.2