linux-kernel - Re: [PATCH] [0/16] POISON: Intro

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Message-ID: <adafxgj6old.fsf@cisco.com>
Date:	Wed, 08 Apr 2009 10:29:34 -0700
From:	Roland Dreier <rdreier@...co.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org, x86@...nel.org
Subject: Re: [PATCH] [0/16] POISON: Intro

 > [1] I didn't consider that one high priority since production
 > systems with long uptime shouldn't have much free memory.

Surely there are windows after a big job exits where lots of memory
might be free.  Not sure how big those windows are in practice but it
does seem if a process using 128GB exits then it might take a while
before that memory all gets used again.

 - R.
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