Re: [PATCH 2/2] mm: ksm: Support hwpoison for ksm page

["HORIGUCHI NAOYA(堀口 直也)" <naoya.horiguchi@nec.com>]

On Thu, Apr 13, 2023 at 04:00:11PM +0800, xialonglong wrote:
> 
> 
> 在 2023/3/31 13:42, HORIGUCHI NAOYA(堀口 直也) 写道:
> > On Thu, Mar 30, 2023 at 03:45:01PM +0800, Longlong Xia wrote:
> > > hwpoison_user_mappings() is updated to support ksm pages, and add
> > > collect_procs_ksm() to collect processes when the error hit an ksm
> > > page. The difference from collect_procs_anon() is that it also needs
> > > to traverse the rmap-item list on the stable node of the ksm page.
> > > At the same time, add_to_kill_ksm() is added to handle ksm pages. And
> > > task_in_to_kill_list() is added to avoid duplicate addition of tsk to
> > > the to_kill list. This is because when scanning the list, if the pages
> > > that make up the ksm page all come from the same process, they may be
> > > added repeatedly.
> > > 
> > > Signed-off-by: Longlong Xia <xialonglong1@huawei.com>
> > 
> > I don't find any specific issue by code review for now, so I'll try to
> > test your patches.
> 
> Dear maintainer,
> 
> Can you please provide a brief update on the testing status of the patch and
> any suggestions you may have for improving it?

Sorry for my late response, my ksm-related testcases get to pass with your
patches. So feel free to add my tested-by.
Tested-by: Naoya Horiguchi <naoya.horiguchi@nec.com>