Re: vmalloc - kmalloc and page locks

[William Lee Irwin III <wli@holomorphy.com>]

On Tue, Jul 22, 2003 at 06:00:14AM -0700, Deas, Jim wrote:
> How can I look at what memory are being paged out of memory in the kernel
> or how to lock kmalloc and vmalloc pages so they do not get put to swap?
>  I have a program that runs great 90% of the time but the other 10%
> of the time the system usage (using 'top')goes from 3% to 50% and latency goes out
> the window!  I am assuming this is due to some of my buffers getting swaped 
> out as it often corrects itself and runs well the majority of time.
> Doubling the base memory from 256M to 512M did nothing to fix this.
> I need some way to find out who is holding up the process.
> Any suggestions? linux-newbe did not give me any replys, if
> this is the wrong groups can someone redirect me?

Linux is not a pageable kernel; neither vmalloc() nor kmalloc() return
swappable memory.


-- wli