On Tue, Jan 24, 2017 at 01:28:49PM -0800, Andrew Morton wrote: > On Tue, 24 Jan 2017 19:28:13 +0300 "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx> wrote: > > > For THPs page_check_address() always fails. It's better to split them > > first before trying to replace. > > So what does this mean. uprobes simply fails to work when trying to > place a probe into a THP memory region? Looks like we can end up with endless retry loop in uprobe_write_opcode(). > How come nobody noticed (and reported) this when using the feature? I guess it's not often used for anon memory. -- Kirill A. Shutemov -- 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>
