linux-kernel - Re: [PATCH 1/4] mm: Fix sparse, use plain integer as NULL pointer

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Date:   Thu, 2 Feb 2017 16:08:25 +0300
From:   "Kirill A. Shutemov" <kirill@...temov.name>
To:     "Tobin C. Harding" <me@...in.cc>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Jan Kara <jack@...e.cz>,
        Ross Zwisler <ross.zwisler@...ux.intel.com>,
        Michal Hocko <mhocko@...e.com>
Subject: Re: [PATCH 1/4] mm: Fix sparse, use plain integer as NULL pointer

On Thu, Feb 02, 2017 at 10:37:17AM +1100, Tobin C. Harding wrote:
> From: Tobin C Harding <me@...in.cc>
> 
> Patch fixes sparse warning: Using plain integer as NULL pointer. Replaces
> assignment of 0 to pointer with NULL assignment.
> 
> Signed-off-by: Tobin C Harding <me@...in.cc>

I wrote this part when ARC had pgtable_t defined as 'unsigned long', so
NULL wasn't an option, but 0 was as it's valid pointer according to spec.

Acked-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>

-- 
 Kirill A. Shutemov