On Thu, Jan 28, 2021, 5:09 AM Souptick Joarder <jrdr.linux@xxxxxxxxx> wrote:
On Thu, Jan 21, 2021 at 3:27 PM Tian Tao <tiantao6@xxxxxxxxxxxxx> 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@xxxxxxxxxxxxx>
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> ---
> 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
>
>
