> > however, i still don't like the idea to update atime in VOP_GETPAGES.
> > it sounds like "update randomly" to me.
> > if we want to update atime for mmap, i prefer to do it when a file is mmap'ed.
> 
> Why? Isn't mtime the time of last modification? Thus shouldn't it be 
> noted?

you are confused between atime and mtime.

YAMAMOTO Takashi