Hugh Dickins wrote: > Provided that CONFIG_HIGHPTE is not set, unuse_pte_range can reduce latency > in swapoff by scanning the page table preemptibly: so long as unuse_pte is > careful to recheck that entry under pte lock. > > (To tell the truth, this patch was not inspired by any cries for lower > latency here: rather, this restructuring permits a future memory controller > patch to allocate with GFP_KERNEL in unuse_pte, where before it could not. > But it would be wrong to tuck this change away inside a memcgroup patch.) > > Signed-off-by: Hugh Dickins <hugh@xxxxxxxxxxx> > --- Looks good to me Acked-by: Balbir Singh <balbir@xxxxxxxxxxxxxxxxxx> and earlier Tested-by: Balbir Singh <balbir@xxxxxxxxxxxxxxxxxx> -- Warm Regards, Balbir Singh Linux Technology Center IBM, ISTL _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/containers
