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linux-sg2042
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kmemleak: use pr_fmt 

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Joe Perches 2009-06-23 14:40:26 +01:00 committed by Catalin Marinas
parent d888a4c76c
commit ae281064be
1 changed files with 24 additions and 28 deletions
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52
mm/kmemleak.c
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@ -61,6 +61,8 @@
* structure. * structure.
*/ */
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/init.h> #include <linux/init.h>
#include <linux/kernel.h> #include <linux/kernel.h>
#include <linux/list.h> #include <linux/list.h>
@ -311,7 +313,7 @@ static int unreferenced_object(struct kmemleak_object *object)
static void print_referenced(struct kmemleak_object *object) static void print_referenced(struct kmemleak_object *object)
{ {
pr_info("kmemleak: referenced object 0x%08lx (size %zu)\n", pr_info("referenced object 0x%08lx (size %zu)\n",
object->pointer, object->size); object->pointer, object->size);
} }
@ -320,7 +322,7 @@ static void print_unreferenced(struct seq_file *seq,
{ {
int i; int i;
print_helper(seq, "kmemleak: unreferenced object 0x%08lx (size %zu):\n", print_helper(seq, "unreferenced object 0x%08lx (size %zu):\n",
object->pointer, object->size); object->pointer, object->size);
print_helper(seq, " comm \"%s\", pid %d, jiffies %lu\n", print_helper(seq, " comm \"%s\", pid %d, jiffies %lu\n",
object->comm, object->pid, object->jiffies); object->comm, object->pid, object->jiffies);
@ -344,7 +346,7 @@ static void dump_object_info(struct kmemleak_object *object)
trace.nr_entries = object->trace_len; trace.nr_entries = object->trace_len;
trace.entries = object->trace; trace.entries = object->trace;
pr_notice("kmemleak: Object 0x%08lx (size %zu):\n", pr_notice("Object 0x%08lx (size %zu):\n",
object->tree_node.start, object->size); object->tree_node.start, object->size);
pr_notice(" comm \"%s\", pid %d, jiffies %lu\n", pr_notice(" comm \"%s\", pid %d, jiffies %lu\n",
object->comm, object->pid, object->jiffies); object->comm, object->pid, object->jiffies);
@ -372,7 +374,7 @@ static struct kmemleak_object *lookup_object(unsigned long ptr, int alias)
object = prio_tree_entry(node, struct kmemleak_object, object = prio_tree_entry(node, struct kmemleak_object,
tree_node); tree_node);
if (!alias && object->pointer != ptr) { if (!alias && object->pointer != ptr) {
kmemleak_warn("kmemleak: Found object by alias"); kmemleak_warn("Found object by alias");
object = NULL; object = NULL;
} }
} else } else
@ -467,8 +469,7 @@ static void create_object(unsigned long ptr, size_t size, int min_count,
object = kmem_cache_alloc(object_cache, gfp & GFP_KMEMLEAK_MASK); object = kmem_cache_alloc(object_cache, gfp & GFP_KMEMLEAK_MASK);
if (!object) { if (!object) {
kmemleak_stop("kmemleak: Cannot allocate a kmemleak_object " kmemleak_stop("Cannot allocate a kmemleak_object structure\n");
"structure\n");
return; return;
} }
@ -527,8 +528,8 @@ static void create_object(unsigned long ptr, size_t size, int min_count,
if (node != &object->tree_node) { if (node != &object->tree_node) {
unsigned long flags; unsigned long flags;
kmemleak_stop("kmemleak: Cannot insert 0x%lx into the object " kmemleak_stop("Cannot insert 0x%lx into the object search tree "
"search tree (already existing)\n", ptr); "(already existing)\n", ptr);
object = lookup_object(ptr, 1); object = lookup_object(ptr, 1);
spin_lock_irqsave(&object->lock, flags); spin_lock_irqsave(&object->lock, flags);
dump_object_info(object); dump_object_info(object);
@ -553,7 +554,7 @@ static void delete_object(unsigned long ptr)
write_lock_irqsave(&kmemleak_lock, flags); write_lock_irqsave(&kmemleak_lock, flags);
object = lookup_object(ptr, 0); object = lookup_object(ptr, 0);
if (!object) { if (!object) {
kmemleak_warn("kmemleak: Freeing unknown object at 0x%08lx\n", kmemleak_warn("Freeing unknown object at 0x%08lx\n",
ptr); ptr);
write_unlock_irqrestore(&kmemleak_lock, flags); write_unlock_irqrestore(&kmemleak_lock, flags);
return; return;
@ -588,8 +589,7 @@ static void make_gray_object(unsigned long ptr)
object = find_and_get_object(ptr, 0); object = find_and_get_object(ptr, 0);
if (!object) { if (!object) {
kmemleak_warn("kmemleak: Graying unknown object at 0x%08lx\n", kmemleak_warn("Graying unknown object at 0x%08lx\n", ptr);
ptr);
return; return;
} }
@ -610,8 +610,7 @@ static void make_black_object(unsigned long ptr)
object = find_and_get_object(ptr, 0); object = find_and_get_object(ptr, 0);
if (!object) { if (!object) {
kmemleak_warn("kmemleak: Blacking unknown object at 0x%08lx\n", kmemleak_warn("Blacking unknown object at 0x%08lx\n", ptr);
ptr);
return; return;
} }
@ -634,21 +633,20 @@ static void add_scan_area(unsigned long ptr, unsigned long offset,
object = find_and_get_object(ptr, 0); object = find_and_get_object(ptr, 0);
if (!object) { if (!object) {
kmemleak_warn("kmemleak: Adding scan area to unknown " kmemleak_warn("Adding scan area to unknown object at 0x%08lx\n",
"object at 0x%08lx\n", ptr); ptr);
return; return;
} }
area = kmem_cache_alloc(scan_area_cache, gfp & GFP_KMEMLEAK_MASK); area = kmem_cache_alloc(scan_area_cache, gfp & GFP_KMEMLEAK_MASK);
if (!area) { if (!area) {
kmemleak_warn("kmemleak: Cannot allocate a scan area\n"); kmemleak_warn("Cannot allocate a scan area\n");
goto out; goto out;
} }
spin_lock_irqsave(&object->lock, flags); spin_lock_irqsave(&object->lock, flags);
if (offset + length > object->size) { if (offset + length > object->size) {
kmemleak_warn("kmemleak: Scan area larger than object " kmemleak_warn("Scan area larger than object 0x%08lx\n", ptr);
"0x%08lx\n", ptr);
dump_object_info(object); dump_object_info(object);
kmem_cache_free(scan_area_cache, area); kmem_cache_free(scan_area_cache, area);
goto out_unlock; goto out_unlock;
@ -677,8 +675,7 @@ static void object_no_scan(unsigned long ptr)
object = find_and_get_object(ptr, 0); object = find_and_get_object(ptr, 0);
if (!object) { if (!object) {
kmemleak_warn("kmemleak: Not scanning unknown object at " kmemleak_warn("Not scanning unknown object at 0x%08lx\n", ptr);
"0x%08lx\n", ptr);
return; return;
} }
@ -699,7 +696,7 @@ static void log_early(int op_type, const void *ptr, size_t size,
struct early_log *log; struct early_log *log;
if (crt_early_log >= ARRAY_SIZE(early_log)) { if (crt_early_log >= ARRAY_SIZE(early_log)) {
kmemleak_stop("kmemleak: Early log buffer exceeded\n"); kmemleak_stop("Early log buffer exceeded\n");
return; return;
} }
@ -966,7 +963,7 @@ static void kmemleak_scan(void)
* 1 reference to any object at this point. * 1 reference to any object at this point.
*/ */
if (atomic_read(&object->use_count) > 1) { if (atomic_read(&object->use_count) > 1) {
pr_debug("kmemleak: object->use_count = %d\n", pr_debug("object->use_count = %d\n",
atomic_read(&object->use_count)); atomic_read(&object->use_count));
dump_object_info(object); dump_object_info(object);
} }
@ -1062,7 +1059,7 @@ static int kmemleak_scan_thread(void *arg)
{ {
static int first_run = 1; static int first_run = 1;
pr_info("kmemleak: Automatic memory scanning thread started\n"); pr_info("Automatic memory scanning thread started\n");
/* /*
* Wait before the first scan to allow the system to fully initialize. * Wait before the first scan to allow the system to fully initialize.
@ -1108,7 +1105,7 @@ static int kmemleak_scan_thread(void *arg)
timeout = schedule_timeout_interruptible(timeout); timeout = schedule_timeout_interruptible(timeout);
} }
pr_info("kmemleak: Automatic memory scanning thread ended\n"); pr_info("Automatic memory scanning thread ended\n");
return 0; return 0;
} }
@ -1123,7 +1120,7 @@ void start_scan_thread(void)
return; return;
scan_thread = kthread_run(kmemleak_scan_thread, NULL, "kmemleak"); scan_thread = kthread_run(kmemleak_scan_thread, NULL, "kmemleak");
if (IS_ERR(scan_thread)) { if (IS_ERR(scan_thread)) {
pr_warning("kmemleak: Failed to create the scan thread\n"); pr_warning("Failed to create the scan thread\n");
scan_thread = NULL; scan_thread = NULL;
} }
} }
@ -1367,7 +1364,7 @@ static void kmemleak_cleanup(void)
cleanup_thread = kthread_run(kmemleak_cleanup_thread, NULL, cleanup_thread = kthread_run(kmemleak_cleanup_thread, NULL,
"kmemleak-clean"); "kmemleak-clean");
if (IS_ERR(cleanup_thread)) if (IS_ERR(cleanup_thread))
pr_warning("kmemleak: Failed to create the clean-up thread\n"); pr_warning("Failed to create the clean-up thread\n");
} }
/* /*
@ -1488,8 +1485,7 @@ static int __init kmemleak_late_init(void)
dentry = debugfs_create_file("kmemleak", S_IRUGO, NULL, NULL, dentry = debugfs_create_file("kmemleak", S_IRUGO, NULL, NULL,
&kmemleak_fops); &kmemleak_fops);
if (!dentry) if (!dentry)
pr_warning("kmemleak: Failed to create the debugfs kmemleak " pr_warning("Failed to create the debugfs kmemleak file\n");
"file\n");
mutex_lock(&kmemleak_mutex); mutex_lock(&kmemleak_mutex);
start_scan_thread(); start_scan_thread();
mutex_unlock(&kmemleak_mutex); mutex_unlock(&kmemleak_mutex);