diff options
| author |   Christoph Hellwig <hch@lst.de> | 2022-09-15 10:41:57 +0100 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2022-09-20 08:24:38 -0600 |
| commit | 527eb453bbfe65e5a55a90edfb1f30b477e36b8c (patch) | |
| tree | fb055354b72a0decc518ee9faafce9eb67edc77a /kernel/sched/psi.c | |
| parent | mm: add PSI accounting around ->read_folio and ->readahead calls (diff) | |
| download | linux-dev-527eb453bbfe65e5a55a90edfb1f30b477e36b8c.tar.xz linux-dev-527eb453bbfe65e5a55a90edfb1f30b477e36b8c.zip | |
sched/psi: export psi_memstall_{enter,leave}
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>
Diffstat (limited to 'kernel/sched/psi.c')
| -rw-r--r-- | kernel/sched/psi.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/sched/psi.c b/kernel/sched/psi.c index ec66b40bdd40..688e8473384f 100644 --- a/kernel/sched/psi.c +++ b/kernel/sched/psi.c @@ -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) |