Re: [PATCH 3/4] drivers/scsi/snic/snic_trc: Use vzalloc instead of vmalloc+memset

From: Andy Shevchenko
Date: Wed Aug 01 2018 - 11:33:21 EST


On Wed, Aug 1, 2018 at 4:26 PM, zhong jiang <zhongjiang@xxxxxxxxxx> wrote:
> The vzmalloc is better than vmalloc+memset, so replace them.
>

FWIW,
Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>

> Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx>
> ---
> drivers/scsi/snic/snic_trc.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/scsi/snic/snic_trc.c b/drivers/scsi/snic/snic_trc.c
> index fc60c93..876c490 100644
> --- a/drivers/scsi/snic/snic_trc.c
> +++ b/drivers/scsi/snic/snic_trc.c
> @@ -126,7 +126,7 @@ struct snic_trc_data *
> int tbuf_sz = 0, ret;
>
> tbuf_sz = (snic_trace_max_pages * PAGE_SIZE);
> - tbuf = vmalloc(tbuf_sz);
> + tbuf = vzmalloc(tbuf_sz);
> if (!tbuf) {
> SNIC_ERR("Failed to Allocate Trace Buffer Size. %d\n", tbuf_sz);
> SNIC_ERR("Trace Facility not enabled.\n");
> @@ -135,7 +135,6 @@ struct snic_trc_data *
> return ret;
> }
>
> - memset(tbuf, 0, tbuf_sz);
> trc->buf = (struct snic_trc_data *) tbuf;
> spin_lock_init(&trc->lock);
>
> --
> 1.7.12.4
>



--
With Best Regards,
Andy Shevchenko