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| author | Ingo Molnar <mingo@elte.hu> | 2006-06-27 11:54:49 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-28 02:32:46 +0200 |
| commit | f9b8404cf8f8456dfa83459510762b700dc00385 (patch) | |
| tree | f74b54c79ee3913d587644195d8af7ba13b6cc2a | |
| parent | [PATCH] pi-futex: robust futex docs fix (diff) | |
| download | linux-f9b8404cf8f8456dfa83459510762b700dc00385.tar.xz linux-f9b8404cf8f8456dfa83459510762b700dc00385.zip | |
[PATCH] pi-futex: introduce debug_check_no_locks_freed()
Add debug_check_no_locks_freed(), as a central inline to add
bad-lock-free-debugging functionality to.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | arch/i386/mm/pageattr.c | 4 | ||||
| -rw-r--r-- | include/linux/mm.h | 10 | ||||
| -rw-r--r-- | mm/page_alloc.c | 4 | ||||
| -rw-r--r-- | mm/slab.c | 2 |
4 files changed, 13 insertions, 7 deletions
diff --git a/arch/i386/mm/pageattr.c b/arch/i386/mm/pageattr.c index 0887b34bc59b..353a836ed63c 100644 --- a/arch/i386/mm/pageattr.c +++ b/arch/i386/mm/pageattr.c @@ -229,8 +229,8 @@ 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), - numpages * PAGE_SIZE); + debug_check_no_locks_freed(page_address(page), + numpages * PAGE_SIZE); /* the return value is ignored - the calls cannot fail, * large pages are disabled at boot time. diff --git a/include/linux/mm.h b/include/linux/mm.h index ff1fa87df8d0..0ac255720f34 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1030,13 +1030,19 @@ static inline void vm_stat_account(struct mm_struct *mm, } #endif /* CONFIG_PROC_FS */ +static inline void +debug_check_no_locks_freed(const void *from, unsigned long len) +{ + mutex_debug_check_no_locks_freed(from, len); +} + #ifndef CONFIG_DEBUG_PAGEALLOC static inline void kernel_map_pages(struct page *page, int numpages, int enable) { if (!PageHighMem(page) && !enable) - mutex_debug_check_no_locks_freed(page_address(page), - numpages * PAGE_SIZE); + debug_check_no_locks_freed(page_address(page), + numpages * PAGE_SIZE); } #endif diff --git a/mm/page_alloc.c b/mm/page_alloc.c index dafd12ec7a0c..084a2de7e52a 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -446,8 +446,8 @@ static void __free_pages_ok(struct page *page, unsigned int order) arch_free_page(page, order); if (!PageHighMem(page)) - mutex_debug_check_no_locks_freed(page_address(page), - PAGE_SIZE<<order); + debug_check_no_locks_freed(page_address(page), + PAGE_SIZE<<order); for (i = 0 ; i < (1 << order) ; ++i) reserved += free_pages_check(page + i); diff --git a/mm/slab.c b/mm/slab.c index d1d55279202e..f378d027c684 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -3397,7 +3397,7 @@ void kfree(const void *objp) local_irq_save(flags); kfree_debugcheck(objp); c = virt_to_cache(objp); - mutex_debug_check_no_locks_freed(objp, obj_size(c)); + debug_check_no_locks_freed(objp, obj_size(c)); __cache_free(c, (void *)objp); local_irq_restore(flags); } |