diff options
Diffstat (limited to 'mm/kmemleak.c')
| -rw-r--r-- | mm/kmemleak.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/mm/kmemleak.c b/mm/kmemleak.c index 877de4fa0720..f9d9dc250428 100644 --- a/mm/kmemleak.c +++ b/mm/kmemleak.c @@ -1547,11 +1547,14 @@ static void kmemleak_scan(void) unsigned long pfn; for (pfn = start_pfn; pfn < end_pfn; pfn++) { - struct page *page; + struct page *page = pfn_to_online_page(pfn); - if (!pfn_valid(pfn)) + if (!page) + continue; + + /* only scan pages belonging to this node */ + if (page_to_nid(page) != i) continue; - page = pfn_to_page(pfn); /* only scan if page is in use */ if (page_count(page) == 0) continue; @@ -1647,7 +1650,7 @@ static void kmemleak_scan(void) */ static int kmemleak_scan_thread(void *arg) { - static int first_run = 1; + static int first_run = IS_ENABLED(CONFIG_DEBUG_KMEMLEAK_AUTO_SCAN); pr_info("Automatic memory scanning thread started\n"); set_user_nice(current, 10); @@ -2141,9 +2144,11 @@ static int __init kmemleak_late_init(void) return -ENOMEM; } - mutex_lock(&scan_mutex); - start_scan_thread(); - mutex_unlock(&scan_mutex); + if (IS_ENABLED(CONFIG_DEBUG_KMEMLEAK_AUTO_SCAN)) { + mutex_lock(&scan_mutex); + start_scan_thread(); + mutex_unlock(&scan_mutex); + } pr_info("Kernel memory leak detector initialized\n"); |