linux-kernel - linux-next: build failure after merge of the final tree (slab tree related)

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Date:	Tue, 24 Aug 2010 12:07:14 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Pekka Enberg <penberg@...helsinki.fi>,
	Christoph Lameter <cl@...ux-foundation.org>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: linux-next: build failure after merge of the final tree (slab tree
 related)

Hi all,

After merging the final tree, today's linux-next build (powerpc
allnoconfig) failed like this:

mm/slub.c: In function 'alloc_kmem_cache_cpus':
mm/slub.c:2094: error: 'PERCPU_DYNAMIC_EARLY_SIZE' undeclared (first use in this function)
mm/slub.c:2094: error: (Each undeclared identifier is reported only once
mm/slub.c:2094: error: for each function it appears in.)
mm/slub.c:2094: error: bit-field '<anonymous>' width not an integer constant

Caused by commit e18d65f0500b95d8724b17d8ea9f1116cf390bbe ("slub: Remove
static kmem_cache_cpu array for boot"). PERCPU_DYNAMIC_EARLY_SIZE is only
defined for SMP (and only in linux/percpu.h which is not explicitly
included).  This build does not have CONFIG_SMP set.

I have used the version of the slab tree from next-20100823 for today.
-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
http://www.canb.auug.org.au/~sfr/

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