Re: VM performance problem

2000-12-18 Thread David S. Miller
Date: Mon, 18 Dec 2000 14:09:00 -0500 (EST) From: "Richard B. Johnson" <[EMAIL PROTECTED]> Well I just use free(), nothing more, nothing special, just like a typical data-base program. Free should just set a new break address after the reclaimed data falls below some watermarks it

Re: VM performance problem

2000-12-18 Thread Richard B. Johnson
On Mon, 18 Dec 2000, David S. Miller wrote: >Date: Mon, 18 Dec 2000 13:54:56 -0500 (EST) >From: "Richard B. Johnson" <[EMAIL PROTECTED]> > >6/ Deallocates all the buffers by running down the linked-list. > > ... > >If the program deallocates all the buffers, as in (6) abo

Re: VM performance problem

2000-12-18 Thread David S. Miller
Date:Mon, 18 Dec 2000 13:54:56 -0500 (EST) From: "Richard B. Johnson" <[EMAIL PROTECTED]> 6/ Deallocates all the buffers by running down the linked-list. ... If the program deallocates all the buffers, as in (6) above, it will take even up to 1 whole minute!! At this t

VM performance problem

2000-12-18 Thread Richard B. Johnson
I have some memory-checker software. I will put it on my server if anybody is interested. I have discovered a VM performance problem that somebody should look into. The code: 1/ Allocates PAGE_SIZE buffers (using ordinary malloc()) until the swap file starts being used (reading