On Fri, Feb 08, 2008 at 01:37:11PM +0200, Pekka Enberg wrote: > Hi Andi, > > On Feb 8, 2008 1:55 PM, Andi Kleen <[EMAIL PROTECTED]> wrote: > > Also i'm not sure how you handle initializedness of DMAed data > > (like network buffers). Wouldn't you need hooks into pci_dma_* > > for this? > > If the DMA'd memory is allocated from the page allocator, we don't
RX Network packets are usually allocated with kmalloc Undoubtedly there are others too, e.g. USB comes to mind. > need to worry about it just yet. In case it's from kmalloc() you can > pass __GFP_NOTRACK to annotate those call sites where the memory is Ok you should add that then to skbuff.c. -Andi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/