On Fri, Jun 09, 2023 at 07:57:37AM +0800, Qu Wenruo wrote: > > > On 2023/6/8 20:15, Christoph Hellwig wrote: > > On Thu, Jun 08, 2023 at 07:48:36PM +0800, Qu Wenruo wrote: > > > echo 3 > /proc/sys/vm/drop_caches > > > + # Above drop_caches doesn't seem to drop every pages on aarch64 with > > > + # 64K page size. > > > + # So here as a workaround, cycle mount the SCRATCH_MNT to ensure > > > + # the cache are dropped. > > > + _scratch_cycle_mount > > > > The _scratch_cycle_mount looks ok to me, but if we do that, there is > > really no point in doing the drop_caches as well. > > Yep, we can remove that line. It's mostly a reminder for me to dig out why > that drop_caches doesn't work as expected. How about leaving a reminder/explanation in comment, remove that real drop_caches line. If no objection, I'll merge this patch with this change. Thanks, Zorro > > Thanks, > Qu >
