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Avoid overflow of nfs_commitsize on machines with > 32GB RAM.

This commit is contained in:
mlelstv 2023-03-17 00:46:35 +00:00
parent c8853b542c
commit 873be8eff4
1 changed files with 5 additions and 3 deletions
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8
sys/nfs/nfs_vfsops.c
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@ -1,4 +1,4 @@
/* $NetBSD: nfs_vfsops.c,v 1.243 2021/06/13 10:25:11 mlelstv Exp $ */
/* $NetBSD: nfs_vfsops.c,v 1.244 2023/03/17 00:46:35 mlelstv Exp $ */
/*
* Copyright (c) 1989, 1993, 1995
@ -35,7 +35,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: nfs_vfsops.c,v 1.243 2021/06/13 10:25:11 mlelstv Exp $");
__KERNEL_RCSID(0, "$NetBSD: nfs_vfsops.c,v 1.244 2023/03/17 00:46:35 mlelstv Exp $");
#if defined(_KERNEL_OPT)
#include "opt_nfs.h"
@ -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