On Sat, Jun 23, 2012 at 05:03:39PM +0800, Wanpeng Li wrote: > On Sat, Jun 23, 2012 at 10:15:14AM +0200, Johannes Weiner wrote: > >On Sat, Jun 23, 2012 at 02:15:34PM +0800, Wanpeng Li wrote: > >> From: Wanpeng Li <liwp@xxxxxxxxxxxxxxxxxx> > >> > >> Since the return value variable in mem_cgroup_zone_nr_lru_pages and > >> mem_cgroup_node_nr_lru_pages functions are u64, so replace the return > >> value of funtions by u64 to avoid overflow. > > > >I wonder what 16 TB of memory must think running on a 32-bit kernel... > >"What is this, an address space for ants?" > > Hi Johannes, > > You mean change all u64 in memcg to unsigned long? or something I > miss.... Not _all_ of them, we have some that count bytes. But those counting pages should probably be ulong, yes. I think Kame added the ones that you wanted to adjust the surroundings for in particular, so let's ask him. Kame? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>