On Fri, Jul 11, 2014 at 10:35:30PM +0800, Baoquan He wrote: [..] > > How about calling them just "User process pages" and not "user process > > data pages" I am assuming that they could contain text too. > > This function is based on the print_report() which is in makedumpfile. > It has been defined like these already. But I will change this according > reviewer's comments. After all, they are different. Actually notation should match what's in makedumpfile man page. So that a user can easily associate dump filtering levels with pages here. > > > > > > pfn_free 0x0000000000133f79 yes Free pages > > > pfn_hwpoison 0x0000000000000000 yes Hwpoison pages > > > pfn_kernel_data 0x000000000001dd56 no Dumpable kernel data > > > > > > Total pages on system: 0x00000000001e5f57 > > > Excludable pages: 0x00000000001c8201 > > > Memory Hole: 0x00000000000386a9 > > > > What is "Memory Hole" ? > > That areas which are between "System Ram". I think we should remove it from output. We are not concerned where memory holes are. One can look up /proc/iomem to figure out where memory holes are. > > > > > > -------------------------------------------------- > > > Total pages: 0x000000000021e600 > > > > How this total pages is different from "Total pages on system"? > > "Total pages on system" is all physical pages without hole. "Total pages" > is equal to the max_pfn in current system. This is got from the > print_report() too. It could be removed if people think it's useless. We are just interested in total pages without memory hole. And can remove total pages with memory hole. Thanks Vivek
