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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-17 10:42:21 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-17 10:42:21 -0700
commit3fe0344faf7fdcb158bd5c1a9aec960a8d70c8e8 (patch)
tree30d5b5fd277b43f2b33276c3b879e4f4b1918aaa /mm
parentc30938d59e7468259855da91a885b19e8044b5f4 (diff)
parent2030117d2761c4c955e1a0683fa96ab62e4b197b (diff)
downloadlinux-3fe0344faf7fdcb158bd5c1a9aec960a8d70c8e8.tar.gz
Merge branch 'kmemleak' of git://linux-arm.org/linux-2.6
* 'kmemleak' of git://linux-arm.org/linux-2.6: kmemleak: Fix some typos in comments kmemleak: Rename kmemleak_panic to kmemleak_stop kmemleak: Only use GFP_KERNEL|GFP_ATOMIC for the internal allocations
Diffstat (limited to 'mm')
-rw-r--r--mm/kmemleak.c27
1 files changed, 15 insertions, 12 deletions
diff --git a/mm/kmemleak.c b/mm/kmemleak.c
index 58ec86c9e58..ec759b60077 100644
--- a/mm/kmemleak.c
+++ b/mm/kmemleak.c
@@ -109,6 +109,9 @@
#define BYTES_PER_POINTER sizeof(void *)
+/* GFP bitmask for kmemleak internal allocations */
+#define GFP_KMEMLEAK_MASK (GFP_KERNEL | GFP_ATOMIC)
+
/* scanning area inside a memory block */
struct kmemleak_scan_area {
struct hlist_node node;
@@ -199,9 +202,9 @@ static DEFINE_MUTEX(kmemleak_mutex);
static int reported_leaks;
/*
- * Early object allocation/freeing logging. Kkmemleak is initialized after the
+ * Early object allocation/freeing logging. Kmemleak is initialized after the
* kernel allocator. However, both the kernel allocator and kmemleak may
- * allocate memory blocks which need to be tracked. Kkmemleak defines an
+ * allocate memory blocks which need to be tracked. Kmemleak defines an
* arbitrary buffer to hold the allocation/freeing information before it is
* fully initialized.
*/
@@ -245,10 +248,10 @@ static void kmemleak_disable(void);
/*
* Macro invoked when a serious kmemleak condition occured and cannot be
- * recovered from. Kkmemleak will be disabled and further allocation/freeing
+ * recovered from. Kmemleak will be disabled and further allocation/freeing
* tracing no longer available.
*/
-#define kmemleak_panic(x...) do { \
+#define kmemleak_stop(x...) do { \
kmemleak_warn(x); \
kmemleak_disable(); \
} while (0)
@@ -462,10 +465,10 @@ static void create_object(unsigned long ptr, size_t size, int min_count,
struct prio_tree_node *node;
struct stack_trace trace;
- object = kmem_cache_alloc(object_cache, gfp & ~GFP_SLAB_BUG_MASK);
+ object = kmem_cache_alloc(object_cache, gfp & GFP_KMEMLEAK_MASK);
if (!object) {
- kmemleak_panic("kmemleak: Cannot allocate a kmemleak_object "
- "structure\n");
+ kmemleak_stop("kmemleak: Cannot allocate a kmemleak_object "
+ "structure\n");
return;
}
@@ -524,8 +527,8 @@ static void create_object(unsigned long ptr, size_t size, int min_count,
if (node != &object->tree_node) {
unsigned long flags;
- kmemleak_panic("kmemleak: Cannot insert 0x%lx into the object "
- "search tree (already existing)\n", ptr);
+ kmemleak_stop("kmemleak: Cannot insert 0x%lx into the object "
+ "search tree (already existing)\n", ptr);
object = lookup_object(ptr, 1);
spin_lock_irqsave(&object->lock, flags);
dump_object_info(object);
@@ -636,7 +639,7 @@ static void add_scan_area(unsigned long ptr, unsigned long offset,
return;
}
- area = kmem_cache_alloc(scan_area_cache, gfp & ~GFP_SLAB_BUG_MASK);
+ area = kmem_cache_alloc(scan_area_cache, gfp & GFP_KMEMLEAK_MASK);
if (!area) {
kmemleak_warn("kmemleak: Cannot allocate a scan area\n");
goto out;
@@ -696,7 +699,7 @@ static void log_early(int op_type, const void *ptr, size_t size,
struct early_log *log;
if (crt_early_log >= ARRAY_SIZE(early_log)) {
- kmemleak_panic("kmemleak: Early log buffer exceeded\n");
+ kmemleak_stop("kmemleak: Early log buffer exceeded\n");
return;
}
@@ -1404,7 +1407,7 @@ static int kmemleak_boot_config(char *str)
early_param("kmemleak", kmemleak_boot_config);
/*
- * Kkmemleak initialization.
+ * Kmemleak initialization.
*/
void __init kmemleak_init(void)
{