| Message ID | 20220910065058.3303831-3-hch@lst.de (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | [1/5] mm: add PSI accounting around ->read_folio and ->readahead calls | expand |
On Sat, Sep 10, 2022 at 08:50:55AM +0200, Christoph Hellwig wrote: > 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>
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)
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> --- kernel/sched/psi.c | 2 ++ 1 file changed, 2 insertions(+)