On 05/01/2023 3:59 pm, Jan Beulich wrote: > Rather than doing a separate hash walk (and then even using the vCPU > variant, which is to go away), do the up-pointer-clearing right in > sh_unpin(), as an alternative to the (now further limited) enlisting on > a "free floating" list fragment. This utilizes the fact that such list > fragments are traversed only for multi-page shadows (in shadow_free()). > Furthermore sh_terminate_list() is a safe guard only anyway, which isn't > in use in the common case (it actually does anything only for BIGMEM > configurations). > > Signed-off-by: Jan Beulich <jbeul...@suse.com>
Acked-by: Andrew Cooper <andrew.coop...@citrix.com> I think. The reasoning seems plausible, but it would probably benefit from someone else double checking.
