Date: Tue, 28 Apr 2015 08:20:24 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r282128 - head/sys/vm Message-ID: <201504280820.t3S8KOAv026705@svn.freebsd.org>
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Author: kib Date: Tue Apr 28 08:20:23 2015 New Revision: 282128 URL: https://svnweb.freebsd.org/changeset/base/282128 Log: Do not sleep waiting for the MAP_ENTRY_IN_TRANSITION state ending with the vnode locked. Review: https://reviews.freebsd.org/D2381 Submitted by: Conrad Meyer, Attilio Rao MFC after: 1 week Modified: head/sys/vm/vm_fault.c Modified: head/sys/vm/vm_fault.c ============================================================================== --- head/sys/vm/vm_fault.c Tue Apr 28 08:04:16 2015 (r282127) +++ head/sys/vm/vm_fault.c Tue Apr 28 08:20:23 2015 (r282128) @@ -348,6 +348,10 @@ RetryFault:; vm_map_lock(fs.map); if (vm_map_lookup_entry(fs.map, vaddr, &fs.entry) && (fs.entry->eflags & MAP_ENTRY_IN_TRANSITION)) { + if (fs.vp != NULL) { + vput(fs.vp); + fs.vp = NULL; + } fs.entry->eflags |= MAP_ENTRY_NEEDS_WAKEUP; vm_map_unlock_and_wait(fs.map, 0); } else
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