Date: Sun, 8 Jun 2014 19:01:38 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r267239 - head/sys/kern Message-ID: <201406081901.s58J1cJg061476@svn.freebsd.org>
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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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