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Re: 7-4 VM killing (A solution)

To: Rajagopal Ananthanarayanan <ananth@sgi.com>
Subject: Re: 7-4 VM killing (A solution)
From: Linus Torvalds <torvalds@transmeta.com>
Date: Thu, 4 May 2000 22:13:24 -0700 (PDT)
cc: riel@nl.linux.org, Kanoj Sarcar <kanoj@google.engr.sgi.com>, linux-mm@kvack.org, "David S. Miller" <davem@redhat.com>
In-Reply-To: <39121A22.BA0BA852@sgi.com>
Sender: owner-linux-mm@kvack.org


On Thu, 4 May 2000, Rajagopal Ananthanarayanan wrote:
> 
> Ok, I may have a solution after having asked, mostly to myself,
> why doesn't shrink_mmap() find pages to free?
> 
> The answer apparenlty is because in 7-4 shrink_mmap(),
> unreferenced pages get filed as "young" if the zone has
> enough pages in it (free_pages > pages_high).

Good catch.

That's obviously a bug, and your fix looks like the obvious fix. Thanks,

		Linus

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References:
- 7-4 VM killing (A solution)
  - From: Rajagopal Ananthanarayanan <ananth@sgi.com>

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