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| author | rwatson <rwatson@FreeBSD.org> | 2008-10-22 16:50:12 +0000 |
|---|---|---|
| committer | rwatson <rwatson@FreeBSD.org> | 2008-10-22 16:50:12 +0000 |
| commit | 3667673537759b789eadce36fa09143b45b442a1 (patch) | |
| tree | 7bd7d596e922f444bb2a1367ce8909f226961fd3 /sys/vm | |
| parent | c16b8be4793f74b96b99f111cd2dafdd854c0e9e (diff) | |
| download | FreeBSD-src-3667673537759b789eadce36fa09143b45b442a1.zip FreeBSD-src-3667673537759b789eadce36fa09143b45b442a1.tar.gz | |
Update mmap() comment: no more block devices, so no more block device
cache coherency questions.
MFC after: 3 days
Diffstat (limited to 'sys/vm')
| -rw-r--r-- | sys/vm/vm_mmap.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/sys/vm/vm_mmap.c b/sys/vm/vm_mmap.c index c3f08b0..3f1d43d 100644 --- a/sys/vm/vm_mmap.c +++ b/sys/vm/vm_mmap.c @@ -187,10 +187,6 @@ ogetpagesize(td, uap) * memory-based, such as a video framebuffer, can be mmap'd. Otherwise * there would be no cache coherency between a descriptor and a VM mapping * both to the same character device. - * - * Block devices can be mmap'd no matter what they represent. Cache coherency - * is maintained as long as you do not write directly to the underlying - * character device. */ #ifndef _SYS_SYSPROTO_H_ struct mmap_args { |
