Subject: Re: Improving the pool allocator on large-paged machines
To: Ben Harris <bjh21@netbsd.org>
From: Wojciech Puchar <wojtek@wojtek.3miasto.net>
List: tech-kern
Date: 08/12/2001 12:35:31
>
> At present, our pool allocator allocates memory to each pool in page-sized
> units.  On systems where the hardware page size in unreasonably large
> (e.g. 32K on arm26), this can lead to substantial amounts of wastage (an
> arm26 system booted single user has 832K allocated to pools, of which only
> 69K is actually in use).
it will somewhat improve on other arch too. vmstat -m shows some entries
which use 1 page on i386 of which more than half is unused.