9d062a8a4c6d ("dmapool: don't memset on free twice")
52e7d5653979 ("dmapool: move debug code to own functions")
19f504584038 ("dmapool: speedup DMAPOOL_DEBUG with init_on_alloc")
7f796d141c07 ("dmapool: remove checks for dev == NULL")
41a04814a715 ("mm/dmapool.c: replace hard coded function name with __func__")