Author: mav
Date: Sun Jun 8 19:01:37 2014
New Revision: 267239
URL: http://svnweb.freebsd.org/changeset/base/267239
Log:
Remove extra branching from r267232.
MFC after: 2 weeks
Modified:
head/sys/kern/vfs_subr.c
Modified: head/sys/kern/vfs_subr.c
==============================================================================
--- head/sys/kern/vfs_subr.c Sun Jun 8 18:11:53 2014 (r267238)
+++ head/sys/kern/vfs_subr.c Sun Jun 8 19:01:37 2014 (r267239)
@@ -995,18 +995,14 @@ void
getnewvnode_reserve(u_int count)
{
struct thread *td;
- long num;
td = curthread;
/* First try to be quick and racy. */
- if (numvnodes + count <= desiredvnodes) {
- num = atomic_fetchadd_long(&numvnodes, count);
- if (num + count <= desiredvnodes) {
- td->td_vp_reserv += count;
- return;
- } else
- atomic_subtract_long(&numvnodes, count);
- }
+ if (atomic_fetchadd_long(&numvnodes, count) + count <= desiredvnodes) {
+ td->td_vp_reserv += count;
+ return;
+ } else
+ atomic_subtract_long(&numvnodes, count);
mtx_lock(&vnode_free_list_mtx);
while (count > 0) {
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