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mm/page_alloc: add a VM_BUG in __free_one_page() if the zone is uninitialized.
[deliverable/linux.git]
/
mm
/
page_alloc.c
diff --git
a/mm/page_alloc.c
b/mm/page_alloc.c
index a3687afc5917cd84b842f450b7cf400ffd57d4b4..9614aabee8c5bb20af749eebb68c9f61f8e027be 100644
(file)
--- a/
mm/page_alloc.c
+++ b/
mm/page_alloc.c
@@
-538,6
+538,8
@@
static inline void __free_one_page(struct page *page,
unsigned long uninitialized_var(buddy_idx);
struct page *buddy;
+ VM_BUG_ON(!zone_is_initialized(zone));
+
if (unlikely(PageCompound(page)))
if (unlikely(destroy_compound_page(page, order)))
return;
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