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Merge tag 'acpi-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael...
[cascardo/linux.git]
/
mm
/
kmemleak.c
diff --git
a/mm/kmemleak.c
b/mm/kmemleak.c
index
a5e453c
..
e5355a5
100644
(file)
--- a/
mm/kmemleak.c
+++ b/
mm/kmemleak.c
@@
-1453,8
+1453,11
@@
static void kmemleak_scan(void)
read_lock(&tasklist_lock);
do_each_thread(g, p) {
read_lock(&tasklist_lock);
do_each_thread(g, p) {
- scan_block(task_stack_page(p), task_stack_page(p) +
- THREAD_SIZE, NULL);
+ void *stack = try_get_task_stack(p);
+ if (stack) {
+ scan_block(stack, stack + THREAD_SIZE, NULL);
+ put_task_stack(p);
+ }
} while_each_thread(g, p);
read_unlock(&tasklist_lock);
}
} while_each_thread(g, p);
read_unlock(&tasklist_lock);
}