On Wed, 25 Jan 2017 01:22:17 +0300 "Kirill A. Shutemov" <kir...@shutemov.name> wrote:
> 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. OK, can we please include discussion of these things in the changelog?
