> What about platforms that can only use GFP_ATOMIC due to
> implementation side issues? Is that "OK"?
Yes.
A GFP_KERNEL request is safely implemented as GFP_ATOMIC as long as the caller
checks return for NULL. for dma_alloc_coherent return checking is a
requirement because the system may return NULL anyway if it is out of mappings
even with a GFP_KERNEL flag.
James
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This archive was generated by hypermail 2b29 : Wed Jan 15 2003 - 22:00:50 EST