> While the idea halts other programs trying to allocate memory, it would
> provide cycles to programs that want to RELEASE memory (such as consuming
> data in network buffers) and thus reduce the kswapd thumb-twiddling time.
Processes that want to use much memory on a heavily swapping machine
get delayed already - they have to wait for the swapping. This leaves
the cpu free to do other things, such as running those nice programs
that use little memory or even frees up some.
Helge Hafting
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