D44170.1793587654.diff
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D44170.1793587654.diff
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	diff --git a/sys/contrib/openzfs/module/os/freebsd/zfs/arc_os.c b/sys/contrib/openzfs/module/os/freebsd/zfs/arc_os.c
	--- a/sys/contrib/openzfs/module/os/freebsd/zfs/arc_os.c
	+++ b/sys/contrib/openzfs/module/os/freebsd/zfs/arc_os.c
	@@ -151,6 +151,9 @@
	return (MAX(allmem * 5 / 8, size));
	}

	+/* The flag indicating a running ARC pruning task. */
	+static int arc_prune_running;
	+
	/*
	* Helper function for arc_prune_async() it is responsible for safely
	* handling the execution of a registered arc_prune_func_t.
	@@ -172,6 +175,7 @@
	#else
	vnlru_free(nr_scan, &zfs_vfsops);
	#endif
	+ atomic_store_rel_int(&arc_prune_running, 0);
	}

	/*
	@@ -188,6 +192,12 @@
	void
	arc_prune_async(int64_t adjust)
	{
	+ int ret;
	+
	+ /* Avoid piling up the ARC pruning tasks. */
	+ ret = atomic_cmpset_acq_int(&arc_prune_running, 0, 1);
	+ if (!ret)
	+ return;

	#ifndef __LP64__
	if (adjust > INTPTR_MAX)