Re: [External] Re: [RFC PATCH 2/2] zram: charge the compressed RAM to the page's memcgroup

[贺中坤]

>
> AFAICS your obj_cgroup_charge_zram doesn't have gfp argument.
>
> Anyway, memalloc_noreclaim_save is an abuse IMHO (the primary purpose of
> the flag is to prevent recursion into the memory reclaim). Do you really
> can not perform any memory recalim to trigger to free up some memory if
> the memcg is at the hard limit boundary?
>

Got it . I agree, memalloc_noreclaim_save should not be used, but return nomem
directly,which is more clear and satisfies both direct and indirect usage.