> -----Original Message----- > From: umg-meego-handset-kernel-boun...@umglistsvr.jf.intel.com > [mailto:umg-meego-handset-kernel-boun...@umglistsvr.jf.intel.com] On > Behalf Of Wang, Wen W > Sent: Wednesday, February 09, 2011 11:53 AM > To: linux-media@vger.kernel.org; umg-meego-handset- > ker...@umglistsvr.jf.intel.com > Cc: Jozef Kruger > Subject: [Umg-meego-handset-kernel] Memory allocation in Video4Linux > > Hi, > > We are developing the image processor driver for Intel Medfield > platform. > > We have received some comments on memory management that we should use > standard Linux kernel interfaces for this, since we are doing > everything by ourselves including memory allocation (based on pages), > page table management, virtual address management and etc. > > So can you please help give some advice or suggestion on using standard > kernel interface for memory management?
Not sure if this meets your requirements, but check IOMMU driver. IOMMU driver is responsible to map the user buffers to Device's virtual address. Thank you, Best regards, Hari -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
