[PATCH v2 17/25] sched/core: Annotate runqueues into meminspect

Mukesh Ojha posted 25 patches 4 weeks ago
[PATCH v2 17/25] sched/core: Annotate runqueues into meminspect
Posted by Mukesh Ojha 4 weeks ago
From: Eugen Hristev <eugen.hristev@linaro.org>

Annotate runqueues into meminspect. Even if these are static, they are
defined percpu, and a later init call will instantiate them for each
cpu. Hence, we cannot annotate them in the usual way, but rather have to
call meminspect API at init time.

Signed-off-by: Eugen Hristev <eugen.hristev@linaro.org>
Signed-off-by: Mukesh Ojha <mukesh.ojha@oss.qualcomm.com>
---
 kernel/sched/core.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 82afa387d529..09a532a5e9f7 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -69,6 +69,7 @@
 #include <linux/wait_api.h>
 #include <linux/workqueue_api.h>
 #include <linux/livepatch_sched.h>
+#include <linux/meminspect.h>
 
 #ifdef CONFIG_PREEMPT_DYNAMIC
 # ifdef CONFIG_GENERIC_IRQ_ENTRY
@@ -8804,6 +8805,7 @@ void __init sched_init(void)
 		rq->core_cookie = 0UL;
 #endif
 		zalloc_cpumask_var_node(&rq->scratch_mask, GFP_KERNEL, cpu_to_node(i));
+		meminspect_lock_register_va(rq, sizeof(*rq));
 	}
 
 	set_load_weight(&init_task, false);

-- 
2.50.1