[openib-general] Re: [kDAPL]questions about the LMR creation of different types of memory

[Roland Dreier]

    ian> 1) Could memory allocated by kmem_cache_create() be OK?
    ian> AFAIK, memory allocated by kmalloc() is OK and that by
    ian> vmalloc() is not.

    James> Correct, assuming you pass kmalloc the GFP_DMA flag.

No, the GFP_DMA flag is not necessary.  On x86 is means to allocate
from the 24-bit ISA DMA region (ie the low 16 MB of RAM).  In general
it is never necessary to use GFP_DMA in modern code.

 - R.