On Mon, Mar 11, 2013 at 01:23:36PM +0200, Mihnea Dobrescu-Balaur wrote: Are there performance improvements to doing it this way?
> Signed-off-by: Mihnea Dobrescu-Balaur <[email protected]> > --- > drivers/block/xen-blkfront.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c > index c3dae2e..9620644 100644 > --- a/drivers/block/xen-blkfront.c > +++ b/drivers/block/xen-blkfront.c > @@ -1203,11 +1203,10 @@ static int blkif_recover(struct blkfront_info *info) > int j; > > /* Stage 1: Make a safe copy of the shadow state. */ > - copy = kmalloc(sizeof(info->shadow), > + copy = kmemdup(info->shadow, sizeof(info->shadow), > GFP_NOIO | __GFP_REPEAT | __GFP_HIGH); > if (!copy) > return -ENOMEM; > - memcpy(copy, info->shadow, sizeof(info->shadow)); > > /* Stage 2: Set up free list. */ > memset(&info->shadow, 0, sizeof(info->shadow)); > -- > 1.7.10.4 > -- 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/
