Re: [patch 10/19] No Reclaim LRU Infrastructure

KOSAKI Motohiro
2008-01-11T04:36:54Z

Hi Rik

> +config NORECLAIM
> + bool "Track non-reclaimable pages (EXPERIMENTAL; 64BIT only)"
> + depends on EXPERIMENTAL && 64BIT
> + help
> + Supports tracking of non-reclaimable pages off the [in]active lists
> + to avoid excessive reclaim overhead on large memory systems. Pages
> + may be non-reclaimable because: they are locked into memory, they
> + are anonymous pages for which no swap space exists, or they are anon
> + pages that are expensive to unmap [long anon_vma "related vma" list.]

Why do you select to default is NO ?
I think this is really improvement and no one of 64bit user
hope turn off without NORECLAIM developer :)

- kosaki