Subject: Re: Bad response...
To: Richard Earnshaw <email@example.com>
From: Chuck Silvers <firstname.lastname@example.org>
Date: 08/28/2004 06:28:19
On Fri, Aug 27, 2004 at 10:49:54PM +0100, Richard Earnshaw wrote:
> > if I add up the "Npage" column, I only get 1731 pages, which is 6924KB
> > (I'm assuming this is a pc). where's the other 10MB hiding?
> Top reports the kernel as using about 205M of ram and sum(npage) * 4096
> comes to a mere (!) 84013056 bytes (~84M).
> So somewhere the pools have 'lost' 100M of memory.
I figured out where it's hiding. the buf*k pools are using a different
allocator which has a pool page size of MAXBSIZE instead of PAGE_SIZE.
the pool page size isn't displayed by "vmstat -m" currently.