The patch titled
Subject: sched/psi: export psi_memstall_{enter,leave}
has been added to the -mm mm-unstable branch. Its filename is
sched-psi-export-psi_memstall_enterleave.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/sched-psi-export-psi_memstall_enterleave.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Christoph Hellwig <hch@xxxxxx>
Subject: sched/psi: export psi_memstall_{enter,leave}
Date: Thu, 15 Sep 2022 10:41:57 +0100
To properly account for all refaults from file system logic, file systems
need to call psi_memstall_enter directly, so export it.
Link: https://lkml.kernel.org/r/20220915094200.139713-3-hch@xxxxxx
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Chao Yu <chao@xxxxxxxxxx>
Cc: Chris Mason <clm@xxxxxx>
Cc: David Sterba <dsterba@xxxxxxxx>
Cc: Gao Xiang <hsiangkao@xxxxxxxxxxxxxxxxx>
Cc: Gao Xiang <xiang@xxxxxxxxxx>
Cc: Jens Axboe <axboe@xxxxxxxxx>
Cc: Josef Bacik <josef@xxxxxxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Suren Baghdasaryan <surenb@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/sched/psi.c | 2 ++
1 file changed, 2 insertions(+)
--- a/kernel/sched/psi.c~sched-psi-export-psi_memstall_enterleave
+++ a/kernel/sched/psi.c
@@ -917,6 +917,7 @@ void psi_memstall_enter(unsigned long *f
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 *f
rq_unlock_irq(rq, &rf);
}
+EXPORT_SYMBOL_GPL(psi_memstall_leave);
#ifdef CONFIG_CGROUPS
int psi_cgroup_alloc(struct cgroup *cgroup)
_
Patches currently in -mm which might be from hch@xxxxxx are
frontswap-dont-call-init-if-no-ops-are-registered.patch
mm-add-psi-accounting-around-read_folio-and-readahead-calls.patch
sched-psi-export-psi_memstall_enterleave.patch
btrfs-add-manual-psi-accounting-for-compressed-reads.patch
erofs-add-manual-psi-accounting-for-the-compressed-address-space.patch
block-remove-psi-accounting-from-the-bio-layer.patch
