On Fri, Dec 10, 2021 at 10:02:24AM +0800, Miaohe Lin wrote: > Hi: > On 2021/12/10 8:30, Minchan Kim wrote: > > Likewise shrink_lruvec[1], madvise_pageout could get the benefit > > from per-task block plug. > > > > [1] 3da367c3e5fc, vmscan: add block plug for page reclaim > > It seems there is a block plug in the caller do_madvise already. This one > might not be necessary for madvise. I missed the place where it was already doing. I will drop it. Thanks for the catch.