mm, highmem: kmap_atomic rework -v3 [LWN.net]

From:		Peter Zijlstra <a.p.zijlstra@chello.nl>
To:		Linus Torvalds <torvalds@linux-foundation.org>
Subject:		[PATCH 0/5] mm, highmem: kmap_atomic rework -v3
Date:		Sat, 18 Sep 2010 17:53:26 +0200
Message-ID:		<20100918155326.478277313@chello.nl>
Cc:		Andrew Morton <akpm@linux-foundation.org>, Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>, "H. Peter Anvin" <hpa@zytor.com>, Russell King <rmk@arm.linux.org.uk>, David Howells <dhowells@redhat.com>, Ralf Baechle <ralf@linux-mips.org>, David Miller <davem@davemloft.net>, Chris Metcalf <cmetcalf@tilera.com>, Paul Mackerras <paulus@samba.org>, Benjamin Herrenschmidt <benh@kernel.crashing.org>, Hugh Dickins <hughd@google.com>, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, Peter Zijlstra <a.p.zijlstra@chello.nl>
Archive-link:		Article, Thread

Next version of the kmap_atomic rework using Andrew's fancy CPP trickery to
avoid having to convert the whole tree at once.

This is compile tested for i386-allmodconfig, frv, mips-sb1250-swarm,
powerpc-ppc6xx_defconfig, sparc32_defconfig, arm-omap3 (all with
HIGHEM=y).

Tested on Tile by Chris Metcalf.

Boot-tested with: i386-defconfig.

Not tested with:
 - nm10300, the arch doesn't build with highmem to begin with


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