From: Christoph Hellwig <hch@lst.de> mainline inclusion from mainline-v6.1-rc1 commit 527eb453bbfe65e5a55a90edfb1f30b477e36b8c category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8BCRJ CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?i... -------------------------------- 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> Signed-off-by: Liu Shixin <liushixin2@huawei.com> --- kernel/sched/psi.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/sched/psi.c b/kernel/sched/psi.c index 11a43dccb7fcb..33bf2afce83d6 100644 --- a/kernel/sched/psi.c +++ b/kernel/sched/psi.c @@ -942,6 +942,7 @@ 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 @@ -973,6 +974,7 @@ 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) -- 2.25.1