On Fri, Feb 03, 2023 at 02:36:22PM +0000, Luiz Capitulino wrote: > From: Andrea Righi <andrea.righi@xxxxxxxxxxxxx> > > Commit ebc5951eea499314f6fbbde20e295f1345c67330 upstream. > > [ This fixes a performance issue we're seeing in AWS instances when > running swapoff and using the global readahead algorithm. For a > particular instance configuration, Without this fix I/O throughput > is very low during swapoff (about 15 MB/s) with this patch is > reaches 500 MB/s. Tested swapoff with different workloads with > this patch applied. 5.10 onwards already have this fix ] Now queued up, thanks. greg k-h