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Date: Fri, 11 Jan 2008 13:36:03 +0900 From: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> To: Rik van Riel <riel@...hat.com> Cc: kosaki.motohiro@...fujitsu.com, linux-kernel@...r.kernel.org, linux-mm@...ck.org, Lee Schermerhorn <lee.schermerhorn@...com> Subject: Re: [patch 10/19] No Reclaim LRU Infrastructure 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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