svn commit: r189561 - head/sys/dev/drm
Robert Noland
rnoland at FreeBSD.org
Mon Mar 9 00:49:14 PDT 2009
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;
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