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

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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.
> 
> Does this not erase the intended effect of Joonsoo's b518154e59a
> ("mm/vmscan: protect the workingset on anonymous LRU")?

I don't think so.  This is only for executable folios (vm_flags &
VM_EXEC).  The behavior for all other anonymous pages are not affected.

Best Regards,
Huang, Ying





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