On Mon, Aug 10, 2015 at 07:28:22PM +0800, Wanpeng Li wrote: > Hwpoison injection takes a refcount of target page and another refcount > of head page of THP if the target page is the tail page of a THP. However, > current code doesn't release the refcount of head page if the THP is not > supported to be injected wrt hwpoison filter. > > Fix it by reducing the refcount of head page if the target page is the tail > page of a THP and it is not supported to be injected. > > Signed-off-by: Wanpeng Li <[email protected]>
Acked-by: Naoya Horiguchi <[email protected]> > --- > mm/hwpoison-inject.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/mm/hwpoison-inject.c b/mm/hwpoison-inject.c > index 5015679..9d26fd9 100644 > --- a/mm/hwpoison-inject.c > +++ b/mm/hwpoison-inject.c > @@ -55,7 +55,7 @@ inject: > pr_info("Injecting memory failure at pfn %#lx\n", pfn); > return memory_failure(pfn, 18, MF_COUNT_INCREASED); > put_out: > - put_page(p); > + put_hwpoison_page(p); > return 0; > } > > -- > 1.7.1 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
