The patch series is indeed designed primarily to increase system performance by avoiding the
IO penalty of swapping out (and back in) memory that contains data that is useless or can be
Decompressing (part of) a jpeg just has to be faster than swapping in something from disk,
simply because disk seek times are on the order of 10ms.
Avoiding the OOM killer is a secondary goal. I am not sure why that is the headline of the