On Wed, Nov 06, 2024 at 11:21:04AM -0800, Kanchana P Sridhar wrote: > The sysctl vm.compress-batching parameter is 0 by default. If the platform > has Intel IAA, the user can run experiments with IAA compress batching of > large folios in zswap_store() as follows: > > sysctl vm.compress-batching=1 > echo deflate-iaa > /sys/module/zswap/parameters/compressor A sysctl seems uncalled for. Can't the batching code be gated on deflate-iaa being the compressor? It can still be generalized later if another compressor is shown to benefit from batching.