> while observing lots of different workloads (all I/O bound). Finally,
well, not all loads are IO-bound in the sense you're looking at.
in particular, the test I usually run (make -j2 with mem=48m)
is actually hurt by this patch. but you're right, this change
does improve streaming IO.
> We'r
For a long time I've been thinking that inactive list is too small,
while observing lots of different workloads (all I/O bound). Finally,
I decided to take a look and try to improve things. In mm/vmscan.c I
found this overly complicated piece of heuristics:
if (!target) {
int inactive = n
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