Re: /proc/<n>/maps growing...

From: David S. Miller (davem@redhat.com)
Date: Mon Aug 06 2001 - 04:20:42 EST


Andrea Arcangeli writes:
> Can somebody see a problem with this design?

As someone who was involved when the merge_segments stuff got tossed
by Linus, the reason was that the locking is utterly atrocious.

After trying to get the SMP locking correct _four_ times, Linus
basically said to me "This merging so stupidly complex, and we don't
need it at all. We only need merging for very simple cases."

I think he's right. The old code was trying to do everything and
made the locking more difficult than it needed to be.

Later,
David S. Miller
davem@redhat.com
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