linux-kernel - Re: [patch] mm: speedup in __early_pfn_to

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Sun, 24 Mar 2013 08:43:31 +0100
From:	Ingo Molnar <mingo@...nel.org>
To:	Russ Anderson <rja@....com>
Cc:	David Rientjes <rientjes@...gle.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, tglx@...utronix.de, mingo@...hat.com,
	hpa@...or.com
Subject: Re: [patch] mm: speedup in __early_pfn_to_nid


* Russ Anderson <rja@....com> wrote:

> --- linux.orig/mm/page_alloc.c	2013-03-19 16:09:03.736450861 -0500
> +++ linux/mm/page_alloc.c	2013-03-22 17:07:43.895405617 -0500
> @@ -4161,10 +4161,23 @@ int __meminit __early_pfn_to_nid(unsigne
>  {
>  	unsigned long start_pfn, end_pfn;
>  	int i, nid;
> +	/*
> +	   NOTE: The following SMP-unsafe globals are only used early
> +	   in boot when the kernel is running single-threaded.
> +	 */
> +	static unsigned long last_start_pfn, last_end_pfn;
> +	static int last_nid;

I guess I'm the nitpicker of the week:

please use the customary (multi-line) comment style:

  /*
   * Comment .....
   * ...... goes here.
   */

specified in Documentation/CodingStyle.

Thanks,

        Ingo

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/