MEHTA,HIREN (A-SanJose,ex1) <hiren_mehta@agilent.com> :
[...]
> Is there any limitation on the amount of contiguous dmaable memory that
> can be allocated using a single call to pci_alloc_consistent() ?
See comment in arch/i386/kernel/pci-dma.c for pc world:
/*
* Dynamic DMA mapping support.
*
* On i386 there is no hardware dynamic DMA address translation,
* so consistent alloc/free are merely page allocation/freeing.
[...]
It fails as __get_free_pages does.
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This archive was generated by hypermail 2b29 : Tue Oct 23 2001 - 21:00:24 EST