On Tue, Nov 09, 2010 at 01:24:31AM -0800, Greg Thelen wrote: > mem_cgroup_page_stat() used to return a negative page count > value to indicate value. Whoops :) > mem_cgroup_page_stat() has changed so it never returns > error so convert the return value to the traditional page > count type (unsigned long). This changelog feels a bit beside the point. What's really interesting is that we now don't consider negative sums to be invalid anymore, but just assume zero! There is a real semantical change here. That the return type can then be changed to unsigned long is a nice follow-up cleanup that happens to be folded into this patch. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom policy in Canada: sign http://dissolvethecrtc.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>