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Subject: Re: [RFC] Arch option to touch newly allocated pages
To: phillips@bonn-fries.net (Daniel Phillips)
Date: Thu, 7 Mar 2002 14:43:03 +0000 (GMT)
Cc: yodaiken@fsmlabs.com, alan@lxorguk.ukuu.org.uk (Alan Cox),
        jdike@karaya.com (Jeff Dike), bcrl@redhat.com (Benjamin LaHaise),
        hpa@zytor.com (H. Peter Anvin), linux-kernel@vger.kernel.org
In-Reply-To: <E16iylp-00038V-00@starship.berlin> from "Daniel Phillips" at Mar 07, 2002 03:21:24 PM
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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> Since there is always at least one freeable page in the system (or we're oom) then
> we just have to find it and we know we can forcibly unmap it.  We do need to know
> the total of pinned pages, I should have said locked/dirty/pinned.

What if I did a 4 page allocation ?

And if we are OOM - we want to return NULL
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