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| author | obrien <obrien@FreeBSD.org> | 2004-08-02 21:52:43 +0000 |
|---|---|---|
| committer | obrien <obrien@FreeBSD.org> | 2004-08-02 21:52:43 +0000 |
| commit | 47f728c0bc17917916748b0d7360860e771bcccf (patch) | |
| tree | 26ea4172efd1ac175ef3e0ca7f0f88d2004451a5 /sys/kern/vfs_subr.c | |
| parent | 022dd0e2edfbed0a5ce1d09e9a5008a6f4627bbd (diff) | |
| download | FreeBSD-src-47f728c0bc17917916748b0d7360860e771bcccf.zip FreeBSD-src-47f728c0bc17917916748b0d7360860e771bcccf.tar.gz | |
Put a cap on the auto-tuning of kern.maxvnodes.
Cap value chosen by: scottl
Diffstat (limited to 'sys/kern/vfs_subr.c')
| -rw-r--r-- | sys/kern/vfs_subr.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c index 4d67de0..52f564f 100644 --- a/sys/kern/vfs_subr.c +++ b/sys/kern/vfs_subr.c @@ -257,6 +257,8 @@ int (*softdep_process_worklist_hook)(struct mount *); /* * Initialize the vnode management data structures. */ +#define MAX_SAFE_MAXVNODES 100000 + static void vntblinit(void *dummy __unused) { @@ -270,6 +272,12 @@ vntblinit(void *dummy __unused) */ desiredvnodes = min(maxproc + cnt.v_page_count / 4, 2 * vm_kmem_size / (5 * (sizeof(struct vm_object) + sizeof(struct vnode)))); + if (desiredvnodes > MAX_SAFE_MAXVNODES) { + if (bootverbose) + printf("Reducing kern.maxvnodes %d -> %d\n", + desiredvnodes, MAX_SAFE_MAXVNODES); + desiredvnodes = MAX_SAFE_MAXVNODES; + } minvnodes = desiredvnodes / 4; mtx_init(&mountlist_mtx, "mountlist", NULL, MTX_DEF); mtx_init(&mntid_mtx, "mntid", NULL, MTX_DEF); |
