Date: Wed, 28 Apr 2010 09:53:54 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r207315 - user/kib/vm6/sys/vm Message-ID: <201004280953.o3S9rsPb092258@svn.freebsd.org>
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Author: kib Date: Wed Apr 28 09:53:54 2010 New Revision: 207315 URL: http://svn.freebsd.org/changeset/base/207315 Log: The reserved page cannot be used by anybody other there, so clear PG_UNMANAGED slightly earlier (to avoid exposure) and without page_queue lock. Modified: user/kib/vm6/sys/vm/vm_readwrite.c Modified: user/kib/vm6/sys/vm/vm_readwrite.c ============================================================================== --- user/kib/vm6/sys/vm/vm_readwrite.c Wed Apr 28 09:01:22 2010 (r207314) +++ user/kib/vm6/sys/vm/vm_readwrite.c Wed Apr 28 09:53:54 2010 (r207315) @@ -437,13 +437,11 @@ vnode_grab_pages(struct vnode *vp, vm_pa m = *reserv; *reserv = NULL; atomic_add_int(&vmio_reserv_used, 1); + m->flags &= ~PG_UNMANAGED; if (object->memattr != VM_MEMATTR_DEFAULT) pmap_page_set_memattr(m, object->memattr); vm_page_insert(m, object, pindex); - vm_page_lock_queues(); - vm_page_flag_clear(m, PG_UNMANAGED); - vm_page_unlock_queues(); ma[i] = m; i++; }
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