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| author | jeff <jeff@FreeBSD.org> | 2007-05-18 07:10:50 +0000 |
|---|---|---|
| committer | jeff <jeff@FreeBSD.org> | 2007-05-18 07:10:50 +0000 |
| commit | e1996cb9609d2e55a26ee78dddbfce4ba4073b53 (patch) | |
| tree | c94b660d4b9246fed8cbeadf7851932258d8b72a /sys/kern/vfs_subr.c | |
| parent | beb495eff1db0646624feb7071ced7f632ff8869 (diff) | |
| download | FreeBSD-src-e1996cb9609d2e55a26ee78dddbfce4ba4073b53.zip FreeBSD-src-e1996cb9609d2e55a26ee78dddbfce4ba4073b53.tar.gz | |
- define and use VMCNT_{GET,SET,ADD,SUB,PTR} macros for manipulating
vmcnts. This can be used to abstract away pcpu details but also changes
to use atomics for all counters now. This means sched lock is no longer
responsible for protecting counts in the switch routines.
Contributed by: Attilio Rao <attilio@FreeBSD.org>
Diffstat (limited to 'sys/kern/vfs_subr.c')
| -rw-r--r-- | sys/kern/vfs_subr.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c index 0b0c939..ce010b4 100644 --- a/sys/kern/vfs_subr.c +++ b/sys/kern/vfs_subr.c @@ -297,8 +297,9 @@ vntblinit(void *dummy __unused) * of the kernel's heap size is consumed by vnodes and vm * objects. */ - desiredvnodes = min(maxproc + cnt.v_page_count / 4, 2 * vm_kmem_size / - (5 * (sizeof(struct vm_object) + sizeof(struct vnode)))); + desiredvnodes = min(maxproc + VMCNT_GET(page_count) / 4, 2 * + vm_kmem_size / (5 * (sizeof(struct vm_object) + + sizeof(struct vnode)))); if (desiredvnodes > MAXVNODES_MAX) { if (bootverbose) printf("Reducing kern.maxvnodes %d -> %d\n", @@ -581,7 +582,7 @@ vlrureclaim(struct mount *mp) usevnodes = desiredvnodes; if (usevnodes <= 0) usevnodes = 1; - trigger = cnt.v_page_count * 2 / usevnodes; + trigger = VMCNT_GET(page_count) * 2 / usevnodes; done = 0; td = curthread; vn_start_write(NULL, &mp, V_WAIT); |
