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-rw-r--r--arch/i386/mm/pageattr.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/i386/mm/pageattr.c b/arch/i386/mm/pageattr.c
index c30a16df644..e8a53552b13 100644
--- a/arch/i386/mm/pageattr.c
+++ b/arch/i386/mm/pageattr.c
@@ -222,6 +222,10 @@ void kernel_map_pages(struct page *page, int numpages, int enable)
{
if (PageHighMem(page))
return;
+ if (!enable)
+ mutex_debug_check_no_locks_freed(page_address(page),
+ page_address(page+numpages));
+
/* the return value is ignored - the calls cannot fail,
* large pages are disabled at boot time.
*/