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From: Robert Noland <rnoland@FreeBSD.org>
Date: Mon, 9 Mar 2009 07:49:13 +0000 (UTC)
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Subject: svn commit: r189561 - head/sys/dev/drm
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Author: rnoland
Date: Mon Mar  9 07:49:13 2009
New Revision: 189561
URL: http://svn.freebsd.org/changeset/base/189561

Log:
  There is no need to sync these buffers to swap.
  
  MFC after:	3 days

Modified:
  head/sys/dev/drm/drm_bufs.c

Modified: head/sys/dev/drm/drm_bufs.c
==============================================================================
--- head/sys/dev/drm/drm_bufs.c	Mon Mar  9 07:47:03 2009	(r189560)
+++ head/sys/dev/drm/drm_bufs.c	Mon Mar  9 07:49:13 2009	(r189561)
@@ -1052,11 +1052,12 @@ int drm_mapbufs(struct drm_device *dev, 
 	vaddr = round_page((vm_offset_t)vms->vm_daddr + MAXDSIZ);
 #if __FreeBSD_version >= 600023
 	retcode = vm_mmap(&vms->vm_map, &vaddr, size, PROT_READ | PROT_WRITE,
-	    VM_PROT_ALL, MAP_SHARED, OBJT_DEVICE, dev->devnode, foff);
+	    VM_PROT_ALL, MAP_SHARED | MAP_NOSYNC, OBJT_DEVICE,
+	    dev->devnode, foff);
 #else
 	retcode = vm_mmap(&vms->vm_map, &vaddr, size, PROT_READ | PROT_WRITE,
-	    VM_PROT_ALL, MAP_SHARED, SLIST_FIRST(&dev->devnode->si_hlist),
-	    foff);
+	    VM_PROT_ALL, MAP_SHARED | MAP_NOSYNC,
+	    SLIST_FIRST(&dev->devnode->si_hlist), foff);
 #endif
 	if (retcode)
 		goto done;