linux-kernel - [PATCH] mm: move lru_to_page to mm

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Message-Id: <db243314728321f435fb82dc2b5d99d98af409e2.1450515627.git.geliangtang@163.com>
Date:	Sat, 19 Dec 2015 17:08:27 +0800
From:	Geliang Tang <geliangtang@....com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Mel Gorman <mgorman@...hsingularity.net>,
	Vlastimil Babka <vbabka@...e.cz>, Jens Axboe <axboe@...com>,
	Tejun Heo <tj@...nel.org>
Cc:	Geliang Tang <geliangtang@....com>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: [PATCH] mm: move lru_to_page to mm_inline.h

Move lru_to_page() from internal.h to mm_inline.h.

Signed-off-by: Geliang Tang <geliangtang@....com>
---
 include/linux/mm_inline.h | 2 ++
 mm/internal.h             | 2 --
 mm/readahead.c            | 1 +
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h
index cf55945..712e8c3 100644
--- a/include/linux/mm_inline.h
+++ b/include/linux/mm_inline.h
@@ -100,4 +100,6 @@ static __always_inline enum lru_list page_lru(struct page *page)
 	return lru;
 }
 
+#define lru_to_page(head) (list_entry((head)->prev, struct page, lru))
+
 #endif
diff --git a/mm/internal.h b/mm/internal.h
index ca49922..5d8ec89 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -87,8 +87,6 @@ extern int isolate_lru_page(struct page *page);
 extern void putback_lru_page(struct page *page);
 extern bool zone_reclaimable(struct zone *zone);
 
-#define lru_to_page(_head) (list_entry((_head)->prev, struct page, lru))
-
 /*
  * in mm/rmap.c:
  */
diff --git a/mm/readahead.c b/mm/readahead.c
index 0aff760..20e58e8 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -17,6 +17,7 @@
 #include <linux/pagemap.h>
 #include <linux/syscalls.h>
 #include <linux/file.h>
+#include <linux/mm_inline.h>
 
 #include "internal.h"
 
-- 
2.5.0


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