Re: [PATCH v5 11/18] x86/sgx: store unreclaimable pages in LRU lists

["Haitao Huang" <haitao.huang@xxxxxxxxxxxxxxx>]

On Thu, 28 Sep 2023 04:41:33 -0500, Huang, Kai <kai.huang@xxxxxxxxx> wrote:

> > --- a/arch/x86/kernel/cpu/sgx/encl.c
> > +++ b/arch/x86/kernel/cpu/sgx/encl.c
> > @@ -746,6 +746,7 @@ void sgx_encl_release(struct kref *ref)
> >  	xa_destroy(&encl->page_array);
> >
> >  	if (!encl->secs_child_cnt && encl->secs.epc_page) {
> > +		sgx_drop_epc_page(encl->secs.epc_page);
> >  		sgx_encl_free_epc_page(encl->secs.epc_page);
> >  		encl->secs.epc_page = NULL;
> >  	}
>
> The "record" of SECS/VA pages should be done together with this.  I see  
> no
> reason why the "record" and "drop" are separated into different patches.

"record" of SECS/VA pages are done in this patch. Before nothing done in  
"record" for them because no tracking LRU lists for them. Now they are  
tracked.

Thanks
Haitao