Re: [RFC] Tracking mlocked pages and moving them off the LRU

On Mon, 5 Feb 2007, Arjan van de Ven wrote:

> > I still need a solution for the problem of not having enough page flag 
> > bits on i386 NUMA.
> 
> I still don't get why you *really* need such a bit. 

Because otherwise you cannot establish why a page was removed from the 
LRU. If a page is off the LRU for other reasons then one should not 
return the page to the LRU in zap_pte_range. How can this determination 
be made without a page flag?

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---

• References:
  • [RFC] Tracking mlocked pages and moving them off the LRU
    • From: Christoph Lameter <[email protected]>
  • Re: [RFC] Tracking mlocked pages and moving them off the LRU
    • From: Andrew Morton <[email protected]>
  • Re: [RFC] Tracking mlocked pages and moving them off the LRU
    • From: Christoph Lameter <[email protected]>
  • Re: [RFC] Tracking mlocked pages and moving them off the LRU
    • From: Arjan van de Ven <[email protected]>
  • Re: [RFC] Tracking mlocked pages and moving them off the LRU
    • From: Christoph Lameter <[email protected]>
  • Re: [RFC] Tracking mlocked pages and moving them off the LRU
    • From: Andrew Morton <[email protected]>
  • Re: [RFC] Tracking mlocked pages and moving them off the LRU
    • From: Christoph Lameter <[email protected]>
  • Re: [RFC] Tracking mlocked pages and moving them off the LRU
    • From: Arjan van de Ven <[email protected]>
  • Re: [RFC] Tracking mlocked pages and moving them off the LRU
    • From: Christoph Lameter <[email protected]>
  • Re: [RFC] Tracking mlocked pages and moving them off the LRU
    • From: Arjan van de Ven <[email protected]>

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