#ifdef __HAVE_ARCH_PTE_SPECIAL
+static inline void get_huge_page_tail(struct page *page)
+{
+ /*
+ * __split_huge_page_refcount() cannot run
+ * from under us.
+ */
+ VM_BUG_ON(atomic_read(&page->_count) < 0);
+ atomic_inc(&page->_count);
+}
+
/*
* The performance critical leaf functions are made noinline otherwise gcc
* inlines everything into a single function which results in too much
put_page(page);
return 0;
}
+ if (PageTail(page))
+ get_huge_page_tail(page);
pages[*nr] = page;
(*nr)++;