diff options
| author | Ingo Molnar <mingo@elte.hu> | 2006-01-09 15:59:21 -0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@hera.kernel.org> | 2006-01-09 15:59:21 -0800 |
| commit | de5097c2e73f826302cd8957c225b3725e0c7553 (patch) | |
| tree | 3d56ab6fd891088ac55a9ef529faf4360391a22f /arch/i386/mm | |
| parent | 408894ee4dd4debfdedd472eb4d8414892fc90f6 (diff) | |
[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>
Diffstat (limited to 'arch/i386/mm')
| -rw-r--r-- | arch/i386/mm/pageattr.c | 4 |
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. */ |