[PATCH 2/5] sched/psi: export psi_memstall_{enter,leave}

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To properly account for all refaults from file system logic, file systems
need to call psi_memstall_enter directly, so export it.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 kernel/sched/psi.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel/sched/psi.c b/kernel/sched/psi.c
index ecb4b4ff4ce0a..7f6030091aeee 100644
--- a/kernel/sched/psi.c
+++ b/kernel/sched/psi.c
@@ -917,6 +917,7 @@ void psi_memstall_enter(unsigned long *flags)
 
 	rq_unlock_irq(rq, &rf);
 }
+EXPORT_SYMBOL_GPL(psi_memstall_enter);
 
 /**
  * psi_memstall_leave - mark the end of an memory stall section
@@ -946,6 +947,7 @@ void psi_memstall_leave(unsigned long *flags)
 
 	rq_unlock_irq(rq, &rf);
 }
+EXPORT_SYMBOL_GPL(psi_memstall_leave);
 
 #ifdef CONFIG_CGROUPS
 int psi_cgroup_alloc(struct cgroup *cgroup)
-- 
2.30.2




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