linux-kernel - Re: [PATCH] sparc: replace __GFP_NOFAIL with GFP_ATOMIC in mdesc

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Message-ID: <CABawtvPt9V_2=KxOGetUCVeatJVcD-uJqs9c6cUzOc2uZCqpYg@mail.gmail.com>
Date:	Tue, 7 Jan 2014 10:21:51 +0800
From:	Ethan Zhao <ethan.kernel@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	LKML <linux-kernel@...r.kernel.org>, sparclinux@...r.kernel.org
Subject: Re: [PATCH] sparc: replace __GFP_NOFAIL with GFP_ATOMIC in mdesc_kmalloc()

cc sparclinux@...r.kernel.org

On Wed, Dec 11, 2013 at 10:54 PM, Ethan Zhao <ethan.kernel@...il.com> wrote:
> Has kmalloc() failure checking there, so it is unnecessary to allocate with
> __GFP_NOFAIL flag that might block forever.
>
> Signed-off-by: Ethan Zhao <ethan.kernel@...il.com>
> ---
>  arch/sparc/kernel/mdesc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/sparc/kernel/mdesc.c b/arch/sparc/kernel/mdesc.c
> index b90bf23..e8d678c 100644
> --- a/arch/sparc/kernel/mdesc.c
> +++ b/arch/sparc/kernel/mdesc.c
> @@ -136,7 +136,7 @@ static struct mdesc_handle *mdesc_kmalloc(unsigned int mdesc_size)
>                        sizeof(struct mdesc_hdr) +
>                        mdesc_size);
>
> -       base = kmalloc(handle_size + 15, GFP_KERNEL | __GFP_NOFAIL);
> +       base = kmalloc(handle_size + 15, GFP_KERNEL | GFP_ATOMIC);
>         if (base) {
>                 struct mdesc_handle *hp;
>                 unsigned long addr;
> --
> 1.8.3.4 (Apple Git-47)
>
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