Index: nfs_vfsops.c
===================================================================
RCS file: /cvsroot/src/sys/nfs/nfs_vfsops.c,v
retrieving revision 1.243
diff -p -u -r1.243 nfs_vfsops.c
--- nfs_vfsops.c	13 Jun 2021 10:25:11 -0000	1.243
+++ nfs_vfsops.c	17 Mar 2023 00:43:05 -0000
@@ -1135,6 +1135,7 @@ nfs_start(struct mount *mp, int flags)
 void
 nfs_vfs_init(void)
 {
+	unsigned scale;
 
 	/* Initialize NFS server / client shared data. */
 	nfs_init();
@@ -1145,7 +1146,8 @@ nfs_vfs_init(void)
 	/* Initialize the iod structures */
 	nfs_iodinit();
 
-	nfs_commitsize = uvmexp.npages << (PAGE_SHIFT - 4);
+	scale = PAGE_SHIFT - 4;
+	nfs_commitsize = uimin(uvmexp.npages, INT_MAX >> scale) << scale;
 }
 
 void