On Thu, 31 Oct 2024 16:39:53 +0800 "Huang, Ying" <ying.huang@xxxxxxxxx> wrote: > However, on ARM64, it does introduce some regression for clearing pages > from end to start. That needs to be addressed. I guess that the > regression can be resolved via using more clearing from start to end > (but not all). For example, can you take a look at the patch below? > Which uses the similar framework as before, but clear each small trunk > (mpage) from start to end. You can adjust MPAGE_NRPAGES to check when > the regression can be restored. > > WARNING: the patch is only build tested. I'm holding this patch in mm-unstable because it's unclear (to me) that this regression has been adequately addressed?
