It occurred to me that a simple way to improve objrmap performance would be
to sort the vma chains off address_space by offset. Here's a patch that
does it. Tests show no measureable cost, and it could significantly reduce
the impact of the worst case scenario (100 mappings * 100 processes) we've
all worried about.
Dave McCracken
======================================================================
Dave McCracken IBM Linux Base Kernel Team 1-512-838-3059
dmccr@us.ibm.com T/L 678-3059
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