aio: fix build when migration is disabled
authorBenjamin LaHaise <bcrl@kvack.org>
Wed, 17 Jul 2013 13:34:24 +0000 (09:34 -0400)
committerBenjamin LaHaise <bcrl@kvack.org>
Wed, 17 Jul 2013 13:34:24 +0000 (09:34 -0400)
When "fs/aio: Add support to aio ring pages migration" was applied, it
broke the build when CONFIG_MIGRATION was disabled.  Wrap the migration
code with a test for CONFIG_MIGRATION to fix this and save a few bytes
when migration is disabled.

Signed-off-by: Benjamin LaHaise <bcrl@kvack.org>

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