On Mon, 6 Mar 2000, Larry Woodman wrote:
> Lawrence Manning wrote:
> > I thought I understood how the buffer figure from meminfo shows only the
> > dcache and that all other block buffering is shown in the cache figure.
> > But this morning (after the machine being idle for about 8 hours) I find
> > about 40meg in the buffers. Now its back to its usual 4meg. Can someone
> > please enlighten me? I tried to follow the code, but got as far as
> > atomic_read(&buffermem_pages) in si_meminfo...
> Lawrence, I'm not sure how much memory your machine has or what is
> running on it but if you had 40M in buffers something did a lot of
> non-filesystem IO(like a "du" command or a bunch or reads from a raw
Thanks Larry. I was doing some recursive lists i think. So am I right
that only the dcache goes in buffers? I was just pretty amazed to get
40meg for directory cache alone... I have 256megs.
> device). Then in order for the buffers to drop back to 4M you had to
> run out of memory and shrink_mmap had to reclaim that 36M from the
> buffermem.
It seems to hang around 4meg pretty much all the time...
Lawrence
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