On 12/13/24 01:03, Rik van Riel wrote: > On Thu, 2024-12-12 at 14:25 +1100, Balbir Singh wrote: >> >> I was asking about this change (this patch), I know that the return >> true will help avoid the PAGE_ACTIVATE path, but I am not sure why >> this function will return false if CONFIG_ZSWAP is enabled (unless >> zswap_writeback is turned off in one of the groups) >> > Some workloads are fine with incurring the latency > from zswap, but do not want the latency of actual > block device backed swap. > > Having zswap enabled, with writeback disabled, has > been beneficial to a number of workloads. > Thanks, that was the missing bit Balbir
