mm: rename _count, field of the struct page, to _refcount

[mirror_ubuntu-zesty-kernel.git] / mm / huge_memory.c

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index b49ee126d4d1feb7a89a9c776edc89141c3351da..f8ac8f582fd8e0de43fc7a0ee8c66106bbbf6f48 100644 (file)
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -3113,7 +3113,7 @@ static void __split_huge_page_tail(struct page *head, int tail,
        VM_BUG_ON_PAGE(page_ref_count(page_tail) != 0, page_tail);
 
        /*
-        * tail_page->_count is zero and not changing from under us. But
+        * tail_page->_refcount is zero and not changing from under us. But
         * get_page_unless_zero() may be running from under us on the
         * tail_page. If we used atomic_set() below instead of atomic_inc(), we
         * would then run atomic_set() concurrently with
@@ -3340,7 +3340,7 @@ int split_huge_page_to_list(struct page *page, struct list_head *list)
        if (mlocked)
                lru_add_drain();
 
-       /* Prevent deferred_split_scan() touching ->_count */
+       /* Prevent deferred_split_scan() touching ->_refcount */
        spin_lock_irqsave(&pgdata->split_queue_lock, flags);
        count = page_count(head);
        mapcount = total_mapcount(head);