[lkml]   [2007]   [Jun]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [Intel IOMMU 06/10] Avoid memory allocation failures in dma map api calls
Christoph Lameter wrote:
> On Tue, 19 Jun 2007, Keshavamurthy, Anil S wrote:
>> So far in our test scenario, we were unable to create
>> any memory allocation failure inside dma map api calls.
> All these functions should have gfp_t flags passed to them.


> Otherwise you are locked into the use of GFP_ATOMIC.

all callers pretty much are either in irq context or with spinlocks
held. Good luck..... it's also called primarily from the PCI DMA API
which doesn't take a gfp_t argument in the first place...

so I'm not seeing the point.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2007-06-20 01:31    [W:0.148 / U:38.628 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site