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.shute...@linux.intel.com> 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
