diff options
Diffstat (limited to 'lib/libc/sys/mmap.2')
-rw-r--r-- | lib/libc/sys/mmap.2 | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/lib/libc/sys/mmap.2 b/lib/libc/sys/mmap.2 index e78520d..f336df5 100644 --- a/lib/libc/sys/mmap.2 +++ b/lib/libc/sys/mmap.2 @@ -145,7 +145,7 @@ this option any VM pages you dirty may be flushed to disk every so often (every 30-60 seconds usually) which can create performance problems if you do not need that to occur (such as when you are using shared file-backed mmap regions for IPC purposes). -Note that VM/filesystem coherency is +Note that VM/file system coherency is maintained whether you use .Dv MAP_NOSYNC or not. @@ -197,9 +197,9 @@ The .Xr msync 2 system call is obsolete since .Bx -implements a coherent filesystem buffer cache. +implements a coherent file system buffer cache. However, it may be -used to associate dirty VM pages with filesystem buffers and thus cause +used to associate dirty VM pages with file system buffers and thus cause them to be flushed to physical media sooner rather then later. .It Dv MAP_PRIVATE Modifications are private. @@ -346,8 +346,8 @@ this gives .Fx a maximum of 8TB filesizes. It is actually bugs in -the filesystem code that causes the limit to be further restricted to +the file system code that causes the limit to be further restricted to 1TB (loss of precision when doing blockno calculations). .Pp -Another reason for the 2GB limit is that filesystem metadata can +Another reason for the 2GB limit is that file system metadata can reside at negative offsets. |