Re: buffers vs. pages vs. kernel speed

Hubert Mantel (
Thu, 12 Jun 1997 14:07:27 +0200 (MEST)


On Thu, 12 Jun 1997, David S. Miller wrote:

> Let's try this one... this has:
> 1) buffer cache clean buffer out of memory fixes
> 2) handle multi-page allocations in low memory situations
> (sans GFP_ATOMIC) more gracefully
> 3) Matthias's state machine fix
> 4) Debugging code added to try_to_free_page() for when it fails
> I ran a kernel compile in 3mb of ram on a Sparc (which makes the
> machine useless, _very_ useless) and as far as it got (I let it run
> for a day, I wasn't going to let it finish) it did not allow one
> try_to_free_page() to fail, not once.

With this patch on a pre-2.0.31-2 Kernel I tried to create the 1Gig
filesystem on a 4MB machine. Until now I tried it three times and it
failed twice ;-(