lkml.org 
[lkml]   [2001]   [Oct]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: pci_alloc_consistent question
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.

--
Ueimor
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:08    [from the cache]
©2003-2011 Jasper Spaans