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| 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 /mm | |
| parent | 408894ee4dd4debfdedd472eb4d8414892fc90f6 (diff) | |
| download | blackbird-op-linux-de5097c2e73f826302cd8957c225b3725e0c7553.tar.gz blackbird-op-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 'mm')
| -rw-r--r-- | mm/page_alloc.c | 3 | ||||
| -rw-r--r-- | mm/slab.c | 1 |
2 files changed, 4 insertions, 0 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index e0e84924171b..a5e6891f7bb6 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -415,6 +415,9 @@ static void __free_pages_ok(struct page *page, unsigned int order) int reserved = 0; arch_free_page(page, order); + if (!PageHighMem(page)) + mutex_debug_check_no_locks_freed(page_address(page), + page_address(page+(1<<order))); #ifndef CONFIG_MMU for (i = 1 ; i < (1 << order) ; ++i) diff --git a/mm/slab.c b/mm/slab.c index 1c46c6383552..33aab345cd4a 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -3071,6 +3071,7 @@ void kfree(const void *objp) local_irq_save(flags); kfree_debugcheck(objp); c = page_get_cache(virt_to_page(objp)); + mutex_debug_check_no_locks_freed(objp, objp+obj_reallen(c)); __cache_free(c, (void *)objp); local_irq_restore(flags); } |
