Cleanup. Change __get_page_tail_foll() to use get_huge_page_tail()
to avoid the code duplication.
Signed-off-by: Oleg Nesterov <o...@redhat.com>
---
mm/internal.h | 5 +----
1 files changed, 1 insertions(+), 4 deletions(-)
diff --git a/mm/internal.h b/mm/internal.h
index a85a3ab..a346ba1 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -47,12 +47,9 @@ static inline void __get_page_tail_foll(struct page *page,
* page_cache_get_speculative()) on tail pages.
*/
VM_BUG_ON(atomic_read(&page->first_page->_count) <= 0);
- VM_BUG_ON(atomic_read(&page->_count) != 0);
- VM_BUG_ON(page_mapcount(page) < 0);
if (get_page_head)
atomic_inc(&page->first_page->_count);
- if (compound_tail_refcounted(page->first_page))
- atomic_inc(&page->_mapcount);
+ get_huge_page_tail(page);
}
/*
--
1.5.5.1
--
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