linux-kernel - Re: [PATCH] mm/gup.c: Remove unused write variable

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Date:   Sun, 10 Feb 2019 20:39:44 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Ira Weiny <ira.weiny@...el.com>
cc:     Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        x86@...nel.org, linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Dave Hansen <dave.hansen@...el.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Dan Williams <dan.j.williams@...el.com>
Subject: Re: [PATCH] mm/gup.c: Remove unused write variable

Ira,

On Sat, 9 Feb 2019, ira.weiny@...el.com wrote:

nice patch. Just a few nitpicks vs. the subject and the change log.

> Subject: [PATCH] mm/gup.c: Remove unused write variable

We usually avoid filenames in the subsystem prefix. mm/gup: is sufficient.

But what's a bit more confusing is 'write variable'. You are not removing a
variable, you are removing a unused function argument. That's two different
things.

> write is unused in gup_fast_permitted so remove it.

When referencing functions please use brackets so it's clear that you talk
about a function, i.e. gup_fast_permitted().

So the correct subject line would be:

  Subject: [PATCH] mm/gup: Remove write argument from gup_fast_permitted()

Thanks,

	tglx