From mboxrd@z Thu Jan 1 00:00:00 1970 From: mindentropy@gmail.com (mindentropy) Date: Fri, 22 Jul 2011 00:07:17 +0530 Subject: Regarding remap_pfn_page In-Reply-To: References: <201107192326.46034.mindentropy@gmail.com> <201107212348.05234.mindentropy@gmail.com> Message-ID: <201107220007.17847.mindentropy@gmail.com> To: kernelnewbies@lists.kernelnewbies.org List-Id: kernelnewbies.lists.kernelnewbies.org >do you see any performance implication of scatter-gather? Not much. In fact its make life easier. I am worried about dma's not supporting scatter gather and would want to have pretty good performance. > Just curious to know what sort of device it is targeting 16GB/s? Not that it would saturate pcie but would come close. Its a high end framegrabber for scientific purposes.