[PATCH] remove set_page_count() outside mm/

[mirror_ubuntu-bionic-kernel.git] / include / linux / mm.h

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 3d84b7a35e0dcc6692b6e5bcfd4cc334c11ed604..7d8c127daad725a4e969f56c662c1aae2ef84d96 100644 (file)
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -307,8 +307,6 @@ static inline int get_page_unless_zero(struct page *page)
        return atomic_inc_not_zero(&page->_count);
 }
 
-#define set_page_count(p,v)    atomic_set(&(p)->_count, (v))
-
 extern void FASTCALL(__page_cache_release(struct page *));
 
 static inline int page_count(struct page *page)
@@ -325,6 +323,15 @@ static inline void get_page(struct page *page)
        atomic_inc(&page->_count);
 }
 
+/*
+ * Setup the page count before being freed into the page allocator for
+ * the first time (boot or memory hotplug)
+ */
+static inline void init_page_count(struct page *page)
+{
+       atomic_set(&page->_count, 1);
+}
+
 void put_page(struct page *page);
 
 void split_page(struct page *page, unsigned int order);