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Code Issues Releases Activity

Remove extra branching from r267232.

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MFC after:	2 weeks
This commit is contained in:
Alexander Motin 2014-06-08 19:01:37 +00:00
parent cb01313fba
commit 3345d73ca8
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=267239
1 changed files with 5 additions and 9 deletions
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14
sys/kern/vfs_subr.c
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@ -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) {