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Use the pool allocator and "nointr" pool page allocator for vnodes. The

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only benefit this provides is that we don't use kmem_map to map the memory
used for vnodes (though, this is a 30 virtual page savings on my PPro)
since vnodes are never freed (they have their own freelist).
This commit is contained in:
thorpej 1998-09-01 03:09:14 +00:00
parent 7a359022d9
commit 830ea34819
1 changed files with 7 additions and 3 deletions
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10
sys/kern/vfs_subr.c
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@ -1,4 +1,4 @@
/* $NetBSD: vfs_subr.c,v 1.92 1998/08/17 17:29:20 thorpej Exp $ */
/* $NetBSD: vfs_subr.c,v 1.93 1998/09/01 03:09:14 thorpej Exp $ */
/*-
* Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
@ -153,6 +153,8 @@ struct mount *rootfs;
struct vnode *rootvnode;
struct device *root_device; /* root device */
struct pool vnode_pool; /* memory pool for vnodes */
/*
* Local declarations.
*/
@ -180,6 +182,9 @@ vntblinit()
simple_lock_init(&mntid_slock);
simple_lock_init(&spechash_slock);
simple_lock_init(&vnode_free_list_slock);
pool_init(&vnode_pool, sizeof(struct vnode), 0, 0, 0, "vnodepl",
0, pool_page_alloc_nointr, pool_page_free_nointr, M_VNODE);
}
/*
@ -399,8 +404,7 @@ getnewvnode(tag, mp, vops, vpp)
numvnodes < 2 * desiredvnodes) ||
numvnodes < desiredvnodes) {
simple_unlock(&vnode_free_list_slock);
vp = (struct vnode *)malloc((u_long)sizeof(*vp),
M_VNODE, M_WAITOK);
vp = pool_get(&vnode_pool, PR_WAITOK);
memset((char *)vp, 0, sizeof(*vp));
numvnodes++;
} else {