[PATCH] mutex subsystem, more debugging code
more mutex debugging: check for held locks during memory freeing,
task exit, enable sysrq printouts, etc.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
diff --git a/arch/i386/mm/pageattr.c b/arch/i386/mm/pageattr.c
index c30a16d..e8a5355 100644
--- a/arch/i386/mm/pageattr.c
+++ b/arch/i386/mm/pageattr.c
@@ -222,6 +222,10 @@
{
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.
*/
