Merge tag 'trace-v5.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt...

[linux-2.6-microblaze.git] / include / linux / mm.h

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 50e2c29..73a52ab 100644 (file)
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1218,7 +1218,15 @@ bool __must_check try_grab_page(struct page *page, unsigned int flags);
 struct page *try_grab_compound_head(struct page *page, int refs,
                                    unsigned int flags);
 
-struct page *try_get_compound_head(struct page *page, int refs);
+
+static inline __must_check bool try_get_page(struct page *page)
+{
+       page = compound_head(page);
+       if (WARN_ON_ONCE(page_ref_count(page) <= 0))
+               return false;
+       page_ref_inc(page);
+       return true;
+}
 
 static inline void put_page(struct page *page)
 {