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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@lst.de>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Link: https://lore.kernel.org/r/20220915094200.139713-3-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2022-09-15 10:41:57 +01:00 committed by Jens Axboe
parent 176042404e
commit 527eb453bb
1 changed files with 2 additions and 0 deletions
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kernel/sched/psi.c
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@ -921,6 +921,7 @@ 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
@ -950,6 +951,7 @@ 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)