On Wed, 2 Oct 2024 16:09:11 -0700 Shakeel Butt <shakeel.butt@xxxxxxxxx> wrote: > On Wed, Oct 02, 2024 at 03:55:55PM GMT, Andrew Morton wrote: > > On Wed, 2 Oct 2024 15:51:50 -0700 Shakeel Butt <shakeel.butt@xxxxxxxxx> wrote: > > > > > Currently mapping_try_invalidate() and invalidate_inode_pages2_range() > > > traverses the xarray in batches and then for each batch, maintains and > > > set the flag named xa_has_values if the batch has a shadow entry to > > > clear the entries at the end of the iteration. However they forgot to > > > reset the flag at the end of the iteration which cause them to always > > > try to clear the shadow entries in the subsequent iterations where > > > there might not be any shadow entries. Fixing it. > > > > > > > So this is an efficiency thing, no other effects expected? > > > > Correct, just an efficiency thing. Thanks. I'm assuming the benfits are sufficiently small that a backport is inappropriate.
