Messages in this thread | | | From | Naoya Horiguchi <> | Subject | Re: [PATCH] mm: mincore: add hwpoison page handle | Date | Fri, 14 Nov 2014 01:02:44 +0000 |
| |
On Wed, Nov 12, 2014 at 09:20:22AM -0500, Johannes Weiner wrote: > On Wed, Nov 12, 2014 at 11:39:29AM +0800, Weijie Yang wrote: > > When encounter pte is a swap entry, the current code handles two cases: > > migration and normal swapentry, but we have a third case: hwpoison page. > > > > This patch adds hwpoison page handle, consider hwpoison page incore as > > same as migration. > > > > Signed-off-by: Weijie Yang <weijie.yang@samsung.com>
Acked-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
> > The change makes sense: > > Acked-by: Johannes Weiner <hannes@cmpxchg.org> > > But please add a description of what happens when a poison entry is > encountered with the current code. I'm guessing swap_address_space() > will return garbage and this might crash the kernel?
Yes, I think that's correct.
Thanks, Naoya Horiguchi
| |