Function of process flush-1:0

[Detlef Lechner]

Hi,

'~$ uname -a; Linux T43 2.6.32-21-generic #32-Ubuntu SMP Fri Apr 16
08:10:02 UTC 2010 i686 GNU/Linux.'
After booting top shows several minutes processes flush-1:0 though
flush-1:10 running. What is their function? What files and packages stem
they from?
Packages fdflush and noflush are not installed.

Regards,

Detlef Lechner
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