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authorLinus Torvalds <torvalds@linux-foundation.org>2018-08-13 10:21:28 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-13 10:21:28 -0700
commit0ad6b38ab2cc00b886c34d945b6a30fdf5108c61 (patch)
tree4cb2b43b992297bcd1167ce0452359345d313731
parent03e61914a6d2c5bb95faaa470193cfdb71b7ea01 (diff)
parent3ff4f80a74fd38398ae1bd8a458ba9c51aa0dd44 (diff)
Merge branch 'core-debugobjects-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull debugobjects update from Thomas Gleixner: "Two simple updates for the debug objects code: - Make the stack check warning more informative by adding the object and the stack page address to the printout - Remove a redundant NULL pointer check" * 'core-debugobjects-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: debugobjects: Remove redundant NULL pointer check debugobjects: Make stack check warning more informative
-rw-r--r--lib/debugobjects.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/lib/debugobjects.c b/lib/debugobjects.c
index 994be4805cec..70935ed91125 100644
--- a/lib/debugobjects.c
+++ b/lib/debugobjects.c
@@ -360,9 +360,12 @@ static void debug_object_is_on_stack(void *addr, int onstack)
limit++;
if (is_on_stack)
- pr_warn("object is on stack, but not annotated\n");
+ pr_warn("object %p is on stack %p, but NOT annotated.\n", addr,
+ task_stack_page(current));
else
- pr_warn("object is not on stack, but annotated\n");
+ pr_warn("object %p is NOT on stack %p, but annotated.\n", addr,
+ task_stack_page(current));
+
WARN_ON(1);
}
@@ -1185,8 +1188,7 @@ void __init debug_objects_mem_init(void)
if (!obj_cache || debug_objects_replace_static_objects()) {
debug_objects_enabled = 0;
- if (obj_cache)
- kmem_cache_destroy(obj_cache);
+ kmem_cache_destroy(obj_cache);
pr_warn("out of memory.\n");
} else
debug_objects_selftest();