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x86: isolate coherent mapping functions
i386 implements the declare coherent memory API, and x86_64 does not it is reflected in pieces of dma_alloc_coherent and dma_free_coherent. Those pieces are isolated in separate functions, that are declared as empty macros in x86_64. This way we can make the code the same. Signed-off-by: Glauber Costa <gcosta@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Glauber Costa
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Ingo Molnar
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Apr 19, 2008
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