I get requests of 32pages.. i want to know if i can tweak dat param at VFS layer..
On Fri, Sep 25, 2009 at 12:52 AM, Manish Katiyar <[email protected]> wrote: > On Fri, Sep 25, 2009 at 9:35 AM, shailesh jain > <[email protected]> wrote: > > Hi, > > Is the maximum limit of readahead 128KB ? .. Can it be changed by FS > > kernel module ? > > Hi Shailesh, > > I am not sure about the size , but I think it is 64K. I think this is > because of the iovec structure which is an array of 16. So for a FS > (which are typically of blocksize 4K) this comes as 64K. > > > > > > > > Shailesh Jain > > > > > > -- > Thanks - > Manish >
