From: Nikita Danilov <nikita@clusterfs.com>
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Date: Sat, 6 Nov 2004 14:37:05 +0300
To: Andrea Arcangeli <andrea@novell.com>
Cc: Nick Piggin <piggin@cyberone.com.au>, Jesse Barnes <jbarnes@sgi.com>,
       Marcelo Tosatti <marcelo.tosatti@cyclades.com>,
       Andrew Morton <akpm@osdl.org>, linux-kernel@vger.kernel.org,
       linux-mm@kvack.org
Subject: Re: [PATCH] Remove OOM killer from try_to_free_pages / all_unreclaimable braindamage
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Andrea Arcangeli writes:
 > On Sat, Nov 06, 2004 at 12:26:57PM +1100, Nick Piggin wrote:
 > > need to be performed and have no failure path. For example __GFP_REPEAT.
 > 
 > all allocations should have a failure path to avoid deadlocks. But in

This is not currently possible for a complex operation that allocates
multiple pages and has always complete as a whole.

We need page-reservation API of some sort. There were several attempts
to introduce this, but none get into mainline.

Nikita.
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