> the major reason you didn't mention for remap_file_pages is the rmap
> avoidance. There's no rmap backing the remap_file_pages regions, so the
> overhead per task is reduced greatly and the box stops running oom
> (actually deadlocking for mainline thanks to the oom killer and NOFAIL
> default behaviour).
Maybe I'm just taking this out of context, and it's twisting my brain,
but as far as I know, the nonlinear vma's *are* backed by pte_chains.
That was the whole problem with objrmap having to do conversions, etc.
Am I just confused for some reason? I was pretty sure that was right ...
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This archive was generated by hypermail 2b29 : Mon Jul 07 2003 - 22:00:17 EST