Re: [PATCH v3 3/6] mm/vmscan: activate swap-backed executable folios after first usage

[ying.huang@xxxxxxxxx]

On Wed, 2022-04-27 at 13:08 +0900, Joonsoo Kim wrote:
> Hello,
> 
> 2022년 4월 26일 (화) 오후 3:58, Miaohe Lin <linmiaohe@xxxxxxxxxx>님이 작성:
> > 
> > On 2022/4/26 10:02, ying.huang@xxxxxxxxx wrote:
> > > On Mon, 2022-04-25 at 14:07 -0700, Andrew Morton wrote:
> > > > On Mon, 25 Apr 2022 19:12:29 +0800 Miaohe Lin <linmiaohe@xxxxxxxxxx> wrote:
> > > > 
> > > > > We should activate swap-backed executable folios (e.g. tmpfs) after first
> > > > > usage so that executable code gets yet better chance to stay in memory.
> 
> Missing activation for swap-backed executable page is the intended operation.
> So, I disagree with this patch until some numbers are provided.
> See following discussion.
> 
> https://lore.kernel.org/all/20200316161208.GB67986@xxxxxxxxxxx/T/#u

Thanks for your pointer.  Now I understood more about this.  I agree to
keep the original behavior unless we can prove the change with numbers.

Best Regards,
Huang, Ying