linux-kernel - Re: [PATCH 6/8] x86/dump_pagetables: Add support 5-level paging

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Date:   Tue, 28 Mar 2017 12:30:40 +0300
From:   "Kirill A. Shutemov" <kirill@...temov.name>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>, x86@...nel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, Andi Kleen <ak@...ux.intel.com>,
        Dave Hansen <dave.hansen@...el.com>,
        Andy Lutomirski <luto@...capital.net>,
        linux-arch@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 6/8] x86/dump_pagetables: Add support 5-level paging

On Tue, Mar 28, 2017 at 08:12:59AM +0200, Ingo Molnar wrote:
> 
> * Kirill A. Shutemov <kirill.shutemov@...ux.intel.com> wrote:
> 
> > +#if PTRS_PER_P4D > 1
> > +
> > +static void walk_p4d_level(struct seq_file *m, struct pg_state *st, pgd_t addr,
> > +							unsigned long P)
> 
> Pretty ugly line break. Either don't break the line, or break it in a more logical 
> place, like:
> 
> static void
> walk_p4d_level(struct seq_file *m, struct pg_state *st, pgd_t addr, unsigned long P)
> 
> > +	start = (p4d_t *) pgd_page_vaddr(addr);
> 
> The space between the type cast and the function invocation is not needed.

Both style issues you have pointed to are inherited from handling of other
page table levels.

Do you want me to adjust them too?

This kind of inconsistency bother me more than style issues itself.

-- 
 Kirill A. Shutemov