On 08/23/2018 08:07 AM, Michal Hocko wrote: > From: Michal Hocko <[email protected]> > > 93065ac753e4 ("mm, oom: distinguish blockable mode for mmu notifiers") > has introduced blockable parameter to all mmu_notifiers and the notifier > has to back off when called in !blockable case and it could block down > the road. > > The above commit implemented that for mn_invl_range_start but both > in_range checks are done unconditionally regardless of the blockable > mode and as such they would fail all the time for regular calls. > Fix this by checking blockable parameter as well. > > Once we are there we can remove the stale TODO. The lock has to be > sleepable because we wait for completion down in gnttab_unmap_refs_sync. > > Fixes: 93065ac753e4 ("mm, oom: distinguish blockable mode for mmu notifiers") > Cc: Boris Ostrovsky <[email protected]> > Cc: Juergen Gross <[email protected]> > Signed-off-by: Michal Hocko <[email protected]>
Reviewed-by: Boris Ostrovsky <[email protected]> _______________________________________________ Xen-devel mailing list [email protected] https://lists.xenproject.org/mailman/listinfo/xen-devel
