From de5097c2e73f826302cd8957c225b3725e0c7553 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Mon, 9 Jan 2006 15:59:21 -0800 Subject: [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 Signed-off-by: Arjan van de Ven --- arch/i386/mm/pageattr.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'arch/i386') diff --git a/arch/i386/mm/pageattr.c b/arch/i386/mm/pageattr.c index c30a16df6440..e8a53552b13d 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. */ -- cgit v1.2.1