Mark Millard: > You seem to be under the impression that "Inact" means "page is not > dirty" and so can be freed without being written out to the swap > space.
indeed, i was, because this is how sysutils/htop displays memory usage:
top(1)
Mem: 8502M Active, 15G Inact, 1568M Laundry, 5518M Wired, 1343M Buf, 690M Free
htop(1):
Mem[||||||||||||||||||||||||||||||||||||||||||
13.7G/31.9G]
i'm vaguely annoyed, but also not surprised, to find out that htop is
wrong here...
> Inact pages can be dirty and such pages can not be freed without
> being written out to the swap space first. If the swap space
> ends up filled, dirty pages that are not in active use stay or
> propogate into the Inact or Laundry states, accumulating there
> (for later potential use).
so, how are Inact pages created? does this happen from filesystem
writes, or something else?
is there somewhere this that is documented?
thanks, lexi.
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