Re: [PATCH 1/2] powerpc/xive: Use GFP_KERNEL instead of GFP_ATOMIC in 'xive_irq_bitmap_add()'

From: Greg Kurz
Date: Thu Aug 01 2019 - 06:43:35 EST


On Thu, 1 Aug 2019 10:32:31 +0200
Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> wrote:

> There is no need to use GFP_ATOMIC here. GFP_KERNEL should be enough.
> GFP_KERNEL is also already used for another allocation just a few lines
> below.
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
> ---

Good catch.

Reviewed-by: Greg Kurz <groug@xxxxxxxx>

> arch/powerpc/sysdev/xive/spapr.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/powerpc/sysdev/xive/spapr.c b/arch/powerpc/sysdev/xive/spapr.c
> index 8ef9cf4ebb1c..b4f5eb9e0f82 100644
> --- a/arch/powerpc/sysdev/xive/spapr.c
> +++ b/arch/powerpc/sysdev/xive/spapr.c
> @@ -45,7 +45,7 @@ static int xive_irq_bitmap_add(int base, int count)
> {
> struct xive_irq_bitmap *xibm;
>
> - xibm = kzalloc(sizeof(*xibm), GFP_ATOMIC);
> + xibm = kzalloc(sizeof(*xibm), GFP_KERNEL);
> if (!xibm)
> return -ENOMEM;
>