mm/slub: Add Support for free path information of an object

[sfrench/cifs-2.6.git] / mm / slub.c

diff --git a/mm/slub.c b/mm/slub.c
index 8f2d13508ec9294a501ca4d4a0a1369f5563c941..deec894a1345ac49c95dc43cf36a6f58d4b3090f 100644 (file)
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -4011,6 +4011,13 @@ void kmem_obj_info(struct kmem_obj_info *kpp, void *object, struct page *page)
                if (!kpp->kp_stack[i])
                        break;
        }
+
+       trackp = get_track(s, objp, TRACK_FREE);
+       for (i = 0; i < KS_ADDRS_COUNT && i < TRACK_ADDRS_COUNT; i++) {
+               kpp->kp_free_stack[i] = (void *)trackp->addrs[i];
+               if (!kpp->kp_free_stack[i])
+                       break;
+       }
 #endif
 #endif
 }