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Message-ID: <474A8D97.2030808@trash.net>
Date: Mon, 26 Nov 2007 10:10:47 +0100
From: Patrick McHardy <kaber@...sh.net>
To: Joonwoo Park <joonwpark81@...il.com>
CC: netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] xfrm_hash: kmalloc + memset conversion to kzalloc
Joonwoo Park wrote:
> diff --git a/net/xfrm/xfrm_hash.c b/net/xfrm/xfrm_hash.c
> index 55ab579..37795bd 100644
> --- a/net/xfrm/xfrm_hash.c
> +++ b/net/xfrm/xfrm_hash.c
> @@ -17,16 +17,17 @@ struct hlist_head *xfrm_hash_alloc(unsigned int sz)
> struct hlist_head *n;
>
> if (sz <= PAGE_SIZE)
> - n = kmalloc(sz, GFP_KERNEL);
> - else if (hashdist)
> - n = __vmalloc(sz, GFP_KERNEL, PAGE_KERNEL);
> - else
> - n = (struct hlist_head *)
> - __get_free_pages(GFP_KERNEL | __GFP_NOWARN,
> - get_order(sz));
> -
> - if (n)
> - memset(n, 0, sz);
> + n = kzalloc(sz, GFP_KERNEL);
> + else {
> + if (hashdist)
> + n = __vmalloc(sz, GFP_KERNEL, PAGE_KERNEL);
> + else
> + n = (struct hlist_head *)
> + __get_free_pages(GFP_KERNEL | __GFP_NOWARN,
> + get_order(sz));
> + if (n)
> + memset(n, 0, sz);
How about also switching vmalloc/get_free_pages to GFP_ZERO
and getting rid of the memset entirely while you're at it?
-
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