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mm/migrate: correct failure handling if !hugepage_migration_support()
[firefly-linux-kernel-4.4.55.git]
/
mm
/
internal.h
diff --git
a/mm/internal.h
b/mm/internal.h
index 684f7aa9692aecc9e002a3095468a23c5c5c4ed4..a346ba120e4211e49473350c3a933afa26a43625 100644
(file)
--- a/
mm/internal.h
+++ b/
mm/internal.h
@@
-47,11
+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);
* 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 (get_page_head)
atomic_inc(&page->first_page->_count);
-
atomic_inc(&page->_mapcount
);
+
get_huge_page_tail(page
);
}
/*
}
/*