memblock: Make MEMBLOCK_ERROR be 0
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>
Wed, 28 Jul 2010 05:25:10 +0000 (15:25 +1000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Thu, 5 Aug 2010 02:56:30 +0000 (12:56 +1000)
And ensure we don't hand out 0 as a valid allocation. We put the
low limit at PAGE_SIZE arbitrarily.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

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