commit f9b8404cf8f8456dfa83459510762b700dc00385
author Ingo Molnar <mingo@elte.hu> Tue Jun 27 02:54:49 2006 -0700
committer Linus Torvalds <torvalds@g5.osdl.org> Tue Jun 27 17:32:46 2006 -0700
tree f74b54c79ee3913d587644195d8af7ba13b6cc2a
parent 6abdce7680e3e8436b3292b345d77b67d5ec9ea8

[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>

arch/i386/mm/pageattr.c

diff --git a/arch/i386/mm/pageattr.c b/arch/i386/mm/pageattr.c
index 0887b34..353a836 100644
--- a/arch/i386/mm/pageattr.c
+++ b/arch/i386/mm/pageattr.c
@@ -229,8 +229,8 @@
 	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.

include/linux/mm.h

diff --git a/include/linux/mm.h b/include/linux/mm.h
index ff1fa87..0ac2557 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1030,13 +1030,19 @@
 }
 #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
 

mm/page_alloc.c

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index dafd12e..084a2de 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -446,8 +446,8 @@
 
 	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);

mm/slab.c

diff --git a/mm/slab.c b/mm/slab.c
index d1d5527..f378d02 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -3397,7 +3397,7 @@
 	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);
 }