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

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

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index c1069efcc4d7477a5fc517303b67747f89b77074..4ce57f938b7f8efc0e1cdf62bf4e1bf2cc451420 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -794,7 +794,7 @@ static inline int free_pages_check(struct page *page)
        if (unlikely(page->mapping != NULL))
                bad_reason = "non-NULL mapping";
        if (unlikely(page_ref_count(page) != 0))
-               bad_reason = "nonzero _count";
+               bad_reason = "nonzero _refcount";
        if (unlikely(page->flags & PAGE_FLAGS_CHECK_AT_FREE)) {
                bad_reason = "PAGE_FLAGS_CHECK_AT_FREE flag(s) set";
                bad_flags = PAGE_FLAGS_CHECK_AT_FREE;
@@ -6864,7 +6864,7 @@ bool has_unmovable_pages(struct zone *zone, struct page *page, int count,
                 * We can't use page_count without pin a page
                 * because another CPU can free compound page.
                 * This check already skips compound tails of THP
-                * because their page->_count is zero at all time.
+                * because their page->_refcount is zero at all time.
                 */
                if (!page_ref_count(page)) {
                        if (PageBuddy(page))