Re: [PATCH] DRM: Replace kmalloc/memset combos with kzalloc

From: Davidlohr Bueso
Date: Wed Aug 11 2010 - 15:58:54 EST


On Wed, 2010-08-11 at 07:35 -0700, Joe Perches wrote:
> On Wed, 2010-08-11 at 09:18 -0400, Davidlohr Bueso wrote:
> > memory allocation in drm_bufs.c is followed by initializing the memory with 0.
> >
> > Replace the use of kmalloc+memset with kzalloc.
>
> Perhaps kzalloc's with a multiply could/should also be converted
> to kcalloc.
>
> > + entry->buflist = kzalloc(count * sizeof(*entry->buflist), GFP_KERNEL);
>
> entry->buflist = kcalloc(count, sizeof(*entry->buflist), GFP_KERNEL);
>
> etc.
>
> > + entry->buflist = kzalloc(count * sizeof(*entry->buflist), GFP_KERNEL);
> > + entry->seglist = kzalloc(count * sizeof(*entry->seglist), GFP_KERNEL);
> > + entry->buflist = kzalloc(count * sizeof(*entry->buflist),
> > + entry->buflist = kzalloc(count * sizeof(*entry->buflist),
>

Doable, but don't see much difference. David, what do you think?

Thanks,
Davidlohr

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