Re: [PATCH] 3/5 VM changes: dont-rotate-active-list.patch

[Nikita Danilov]

Andrew Morton writes:
 > Nikita Danilov <[e-mail]> wrote:
 > >
 > > This patch modifies refill_inactive_zone() so that it scans active_list
 > >  without rotating it. 
 > 
 > I'm unconvinced.  The scanning of the active list allows us to keep the
 > referenced state uptodate and balanced across all pages.
 > 

With this patch active list is still scanned. The only difference is
that in !reclaim_mapped mode, mapped but unreferenced pages are left
behind scanning point instead of being thrown to the head of active list
(which supposed to be LRU, after all).

Nikita.