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From: Ashley Pittman (ashley_at_[hidden])
Date: 2010-01-17 11:32:33

On 11 Jan 2010, at 16:52, Jeff Squyres wrote:

> Arrgh -- if only the Linux kernel community had accepted ummunotify, this would now be a moot point (i.e., the argument would be solely with the OS/glibc, not the MPI!).

Disabling MMAP based malloc is purely about performance, ummunotify is about correctness and is a much more complex issue.