[PATCH 1/2] mm: Move lru_to_page to mm.h

[Nikolay Borisov <nborisov@suse.com>]

There are multiple places in the kernel which opencode this helper,
this patch moves it to the more generic mm.h header in preparation for
using it. No functional changes.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
---
 include/linux/mm.h        | 2 ++
 include/linux/mm_inline.h | 3 ---
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 5411de93a363..47b4aa5bba93 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -146,6 +146,8 @@ extern int overcommit_kbytes_handler(struct ctl_table *, int, void __user *,
 /* test whether an address (unsigned long or pointer) is aligned to PAGE_SIZE */
 #define PAGE_ALIGNED(addr)	IS_ALIGNED((unsigned long)(addr), PAGE_SIZE)
 
+#define lru_to_page(head) (list_entry((head)->prev, struct page, lru))
+
 /*
  * Linux kernel virtual memory manager primitives.
  * The idea being to have a "virtual" mm in the same way
diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h
index 10191c28fc04..04ec454d44ce 100644
--- a/include/linux/mm_inline.h
+++ b/include/linux/mm_inline.h
@@ -124,7 +124,4 @@ 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
-- 
2.17.1