On Wed, Feb 09, 2000 at 01:35:58PM -0700, Jeff Harrell wrote:
> I have run into an interesting problem and would like to run it past this
> newsgroup to see if anyone has any experience in these areas. I am
> running kernel 2.3.22 and have upgraded my memory space from ~4M
> (0x400000) to ~64M (0x4000000). I run the 4M version of the kernel and
> have no problems but when I run the 64M version, I run into problems
> during the mem_init() portion of the code. Specifically during the
> free_page(tmp) call during the determination of totalram, codepages and
> datapages. It looks like it is failing during the call to
> remove_mem_queue() within free_pages_ok(). I am seeing the next->prev and
> prev->next set to 0 causing a page fault.
The free pages are being stored in a circular list, so struct page of a free
page should never have prev or next set to zero. Smells like memory
> Is there anything that anyone is aware of that I would need to change
> (beyond mips_memory_upper) that would enable me to increase available
> memory to 64M. Any insights would be greatly appreciated.
That alone should be sufficient.
> Additional information:
> high memory: 0x83fff000 start memory: 0x80433000
I assume these are the values of start_mem and mem_end as passed to
mem_init()? In that case these values look sane.