On Thu, 15 Jan 2015, Kirill A. Shutemov wrote: > I'm not sure if it should be considered ABI break or not. Just asking. > > I would like to hear opinion from other people. > I think the bigger concern would be that this, and any new line such as resettable_hiwater_rss, invalidates itself entirely. Any process that checks the hwm will not know of other processes that reset it, so the value itself has no significance anymore. It would just be the mark since the last clear at an unknown time. Userspace can monitor the rss of a process by reading /proc/pid/stat, there's no need for the kernel to do something that userspace can do. -- 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>