Messages in this thread | | | Date | Thu, 25 May 2006 23:48:46 +0800 | Subject | Re: [PATCH 28/33] readahead: loop case | From | wfg <> |
| |
On Wed, May 24, 2006 at 10:01:35PM +0800, Limin Wang wrote: > > If the loopback files is bigger than the memory size, it may cause miss again and > may better to turn on the read ahead? >
The readahead is always on, it's only disabling lookahead :-)
> > Disable look-ahead for loop file. > > > > Loopback files normally contain filesystems, in which case there are already > > proper look-aheads in the upper layer, more look-aheads on the loopback file > > only ruins the read-ahead hit rate. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |