diff options
-rw-r--r-- | lib/libc/sys/msync.2 | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/libc/sys/msync.2 b/lib/libc/sys/msync.2 index 28aa1a7..e7d50c3 100644 --- a/lib/libc/sys/msync.2 +++ b/lib/libc/sys/msync.2 @@ -114,3 +114,12 @@ The .Fn msync system call first appeared in .Bx 4.4 . +.Sh BUGS +The +.Fn msync +system call is obsolete since +.Bx +implements a coherent file system buffer cache. +However, it may be used to associate dirty VM pages with file system +buffers and thus cause them to be flushed to physical media sooner +rather than later. |