--- William Lee Irwin III <wli@holomorphy.com> wrote:

On Fri, Jul 19, 2002 at 11:36:46AM -0700, Kanoj
Sarcar wrote:

quoted

I think I put in the locks in the initial version

of

quoted

the file becase the idea was that 
show_free_areas_node() could be invoked from any

cpu

quoted

in a multinode system (via the sysrq keys or other
intr sources), and the spin lock would provide 
sanity in the print out. 
For nonnuma discontig machines, isn't the spin

lock

quoted

providing protection in the pgdat list chain

walking

quoted

in _alloc_pages()?
Kanoj

Since I just posted a patch removing the entire
function, exactly
where is this called from? A grep of current 2.5
shows that it's
never called from anywhere.


Cheers,
Bill

Ok. I was just pointing out why the lock was added
initially. The reasons might not make sense anymore.

Kanoj


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