Re: [PATCH 0/4] linux-2.6-block: deactivating pagecache for benchmarks

Arjan van de Ven
2005-12-01T13:29:32Z

On Thu, 2005-12-01 at 14:17 +0100, Dirk Henning Gerdes wrote:
> Hi Jens!
>
> For doing benchmarks on the I/O-Schedulers, I thought it would be very
> useful to disable the pagecache.

for benchmarks this is not enough though, you also need to clean the
inode and dentry caches, as well as any filesystem specific caches
(might be buffer cache).....
at which point it's probably nicer to just fake a limited umount since
that has to do all of that anyway