Bug#409127: Comp 101

[grfgguvf at gmail.com]

Ok. Dear little Mark,

First of all, I don't know what tool did you use to see the memory
usage of at-spi-registryd, but those processes are obvously not using
512MB. As you see, from the package list that at-spi-registryd depends
on, it uses a lot of code libraries. On a system with support for
"virtual memory", code libraries are only in memory once, and are
mapped into the address space (virtual memory region) of all the
processes using them. Apart from libatspi, all the others are
therefore shared and should not be counted as the "memory usage" of
at-spi-redistryd. Even more importantly, "virtual memory usage"
involves memory that is only mapped*, and not actually used. This
means among other things files mapped for read... Even the "resident
memory usage" has all the shared code and data counted. The real
memory usage of the two at-spi-registryd processes is likely in the
1-2MB range. Moreover, excessive memory use or virtual memory usage
overcommitting can not cause "system freezes". This is realy Comp 101.

Good night
        Nyoro~n