[PATCH 1/9] memcg: accounting for allocations called with disabled BH

in_interrupt() check in memcg_kmem_bypass() is incorrect because
it does not allow to account memory allocation called from task context
with disabled BH, i.e. inside spin_lock_bh()/spin_unlock_bh() sections

Signed-off-by: Vasily Averin <redacted>
---
 mm/memcontrol.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 845eec0..568f2cb 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c

@@ -1076,7 +1076,7 @@ static __always_inline bool memcg_kmem_bypass(void)
 		return false;
 
 	/* Memcg to charge can't be determined. */
-	if (in_interrupt() || !current->mm || (current->flags & PF_KTHREAD))
+	if (!in_task() || !current->mm || (current->flags & PF_KTHREAD))
 		return true;
 
 	return false;

-- 
1.8.3.1