Re: file caching - how to always cache one file

Gregory Maxwell (linker@z.ml.org)
Thu, 20 May 1999 23:17:11 -0400 (EDT)


On 19 May 1999, Eric W. Biederman wrote:

> >>>>> "M" == <mark@hoist.nlcomm.com> writes:
>
> M> Hello there.
>
> M> I have a server here with one large database file that I would like to
> M> always be read cached, even if it isn't accessed for awhile..
>
> Have a root owned daemon do:
> fd = open(file, ....)
> mmap(fd, ....)
> mockall();
> or just mlock the map.
>
> Not quite trivial, but simipler than a kernel patch.
> Eric

Ohh! very creative! wouldn't it have to walk the file too or will the
mlock handle that? :)

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/