linux-kernel - Re: [PATCH 1/4] x86: clean up asm-x86/page*.h

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Date:	Fri, 14 Dec 2007 08:31:45 +0000
From:	"Jan Beulich" <jbeulich@...ell.com>
To:	"Jeremy Fitzhardinge" <jeremy@...p.org>
Cc:	"Ingo Molnar" <mingo@...e.hu>,
	"Glauber de Oliveira Costa" <glommer@...il.com>,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/4] x86: clean up asm-x86/page*.h

>--- a/arch/x86/mm/fault_64.c
>+++ b/arch/x86/mm/fault_64.c
>@@ -158,22 +158,22 @@ void dump_pagetable(unsigned long addres
> 	pgd = __va((unsigned long)pgd & PHYSICAL_PAGE_MASK); 
> 	pgd += pgd_index(address);
> 	if (bad_address(pgd)) goto bad;
>-	printk("PGD %lx ", pgd_val(*pgd));
>+	printk("PGD %lx ", (unsigned long)pgd_val(*pgd));

Casts like this here and elsewhere look rather odd (in fact I think using
casts should really be limited to places where you either can't do it
differently or the code would become badly readable or much uglier
without them). I would therefore favor simply using the right formatting
specifier here.

Jan

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