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authorRobert Noland <rnoland@2hip.net>2009-02-23 20:01:26 -0600
committerRobert Noland <rnoland@2hip.net>2009-02-23 20:07:44 -0600
commita9486ee3a8aaae888b4a05ae0d475cfa2a2641cb (patch)
treebc43bed55e9595183ba8e5039414d320183ed7df /bsd-core
parenta773ce1db8801fcbbdb55b54172c9cd48b92e2d7 (diff)
FreeBSD: Set MAP_NOSYNC on mmaps.
There is no reason to gratuitously sync these maps to swap.
Diffstat (limited to 'bsd-core')
-rw-r--r--bsd-core/drm_bufs.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/bsd-core/drm_bufs.c b/bsd-core/drm_bufs.c
index 303b2404..ebc46b5b 100644
--- a/bsd-core/drm_bufs.c
+++ b/bsd-core/drm_bufs.c
@@ -1050,10 +1050,10 @@ int drm_mapbufs(struct drm_device *dev, void *data, struct drm_file *file_priv)
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),
+ VM_PROT_ALL, MAP_SHARED | MAP_NOSYNC, SLIST_FIRST(&dev->devnode->si_hlist),
foff);
#endif
if (retcode)