On Thu, Jan 28, 2021, 5:09 AM Souptick Joarder <jrdr.linux@gmail.com> wrote:

> On Thu, Jan 21, 2021 at 3:27 PM Tian Tao <tiantao6@hisilicon.com> wrote:
> >
> > the entry has not been initialized when it is used, so allocate PAGE_SIZE
>
> Can you please add the original error msg in change logs ?
>

I second that. Another option would be to come up with an update of the
original patch which would incorporate all the fixes. I believe it should
be possible, since the initial patch has not been merged into Linus tree.

Best regards,
   Vitaly


> >
> > Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
> > Reported-by: kernel test robot <lkp@intel.com>
> > ---
> >  mm/zswap.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/mm/zswap.c b/mm/zswap.c
> > index 6e0bb61..4b7b6ad 100644
> > --- a/mm/zswap.c
> > +++ b/mm/zswap.c
> > @@ -944,7 +944,7 @@ static int zswap_writeback_entry(struct zpool *pool,
> unsigned long handle)
> >
> >         if (!zpool_can_sleep_mapped(pool)) {
> >
> > -               tmp = kmalloc(entry->length, GFP_ATOMIC);
> > +               tmp = kmalloc(PAGE_SIZE, GFP_ATOMIC);
> >                 if (!tmp)
> >                         return -ENOMEM;
> >         }
> > --
> > 2.7.4
> >
> >
>