Reclaim during GFP_ATOMIC allocs [LWN.net]

From:		Christoph Lameter <clameter@sgi.com>
To:		linux-mm@kvack.org
Subject:		[RFC 0/9] Reclaim during GFP_ATOMIC allocs
Date:		Tue, 14 Aug 2007 08:30:21 -0700
Message-ID:		<20070814153021.446917377@sgi.com>
Cc:		linux-kernel@vger.kernel.org
Archive-link:		Article, Thread

This is the extended version of the reclaim patchset. It enables reclaim from
clean file backed pages during GFP_ATOMIC allocs. A bit invasive since
may locks must now be taken with saving flags. But it works.

Tested by repeatedly allocating 12MB of memory from the timer interrupt.

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