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[PATCH] fix/simplify mutex debugging code

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Let's switch mutex_debug_check_no_locks_freed() to take (addr, len) as
arguments instead, since all its callers were just calculating the 'to'
address for themselves anyway... (and sometimes doing so badly).

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
David Woodhouse
2006-01-11 14:41:26 +00:00
committed by Linus Torvalds
parent a8b9ee7396
commit a4fc7ab1d0
7 changed files with 9 additions and 8 deletions
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include/linux/mm.h
+1 -1
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@@ -1027,7 +1027,7 @@ kernel_map_pages(struct page *page, int numpages, int enable)
{
if (!PageHighMem(page) && !enable)
mutex_debug_check_no_locks_freed(page_address(page),
page_address(page + numpages));
numpages * PAGE_SIZE);
}
#endif
include/linux/mutex-debug.h
+1 -1
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@@ -18,6 +18,6 @@ extern void FASTCALL(mutex_destroy(struct mutex *lock));
extern void mutex_debug_show_all_locks(void);
extern void mutex_debug_show_held_locks(struct task_struct *filter);
extern void mutex_debug_check_no_locks_held(struct task_struct *task);
extern void mutex_debug_check_no_locks_freed(const void *from, const void *to);
extern void mutex_debug_check_no_locks_freed(const void *from, unsigned long len);
#endif
include/linux/mutex.h
+1 -1
View File
@@ -79,7 +79,7 @@ struct mutex_waiter {
# define mutex_debug_show_all_locks() do { } while (0)
# define mutex_debug_show_held_locks(p) do { } while (0)
# define mutex_debug_check_no_locks_held(task) do { } while (0)
# define mutex_debug_check_no_locks_freed(from, to) do { } while (0)
# define mutex_debug_check_no_locks_freed(from, len) do { } while (0)
#endif
#define __MUTEX_INITIALIZER(lockname) \