X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=include%2Flinux%2Fmm.h;h=8f468e0d2534eddaa178fdf252e7cf4e53f3330b;hb=6d0a07edd17cfc12fdc1f36de8072fa17cc3666f;hp=864d7221de846e44e600245eaac773ab7116bcca;hpb=7496fea9a6bf644afe360af795b121a77635b37d;p=karo-tx-linux.git

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 864d7221de84..8f468e0d2534 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -500,11 +500,20 @@ static inline int page_mapcount(struct page *page)
 
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
 int total_mapcount(struct page *page);
+int page_trans_huge_mapcount(struct page *page, int *total_mapcount);
 #else
 static inline int total_mapcount(struct page *page)
 {
 	return page_mapcount(page);
 }
+static inline int page_trans_huge_mapcount(struct page *page,
+					   int *total_mapcount)
+{
+	int mapcount = page_mapcount(page);
+	if (total_mapcount)
+		*total_mapcount = mapcount;
+	return mapcount;
+}
 #endif
 
 static inline struct page *virt_to_head_page(const void *x)