diff options
| author | Ingo Molnar <mingo@elte.hu> | 2006-01-10 00:59:21 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@hera.kernel.org> | 2006-01-10 00:59:21 +0100 |
| commit | de5097c2e73f826302cd8957c225b3725e0c7553 (patch) | |
| tree | 3d56ab6fd891088ac55a9ef529faf4360391a22f /arch | |
| parent | [PATCH] mutex subsystem, debugging code (diff) | |
| download | linux-de5097c2e73f826302cd8957c225b3725e0c7553.tar.xz linux-de5097c2e73f826302cd8957c225b3725e0c7553.zip | |
[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')
| -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 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. */ |