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Date: Sat, 2 Jun 2018 16:59:37 +0200
From: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Subject: Re: [PATCH] mm: Change return type to vm_fault_t
Message-ID: <20180602145936.hsrcq2tptmlrc4on@ltop.local>
References: <20180529143126.GA19698@jordon-HP-15-Notebook-PC>
 <20180529145055.GA15148@bombadil.infradead.org>
 <CAFqt6zaxt=wXjvKV0qA+OwU1iUyoBdW2cJSLFqXupVWRpKdqEA@mail.gmail.com>
 <20180529173445.GD15148@bombadil.infradead.org>
 <CAFqt6zZCX7Ai2w9dV3OvUn=V4Z02H=+FBirjHT3QSU1Fuz+uLQ@mail.gmail.com>
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To: Souptick Joarder <jrdr.linux@gmail.com>
Cc: Matthew Wilcox <willy@infradead.org>, Al Viro <viro@zeniv.linux.org.uk>, Hugh Dickins <hughd@google.com>, Andrew Morton <akpm@linux-foundation.org>, Michal Hocko <mhocko@suse.com>, Ross Zwisler <ross.zwisler@linux.intel.com>, zi.yan@cs.rutgers.edu, "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>, Dan Williams <dan.j.williams@intel.com>, Greg KH <gregkh@linuxfoundation.org>, Mark Rutland <mark.rutland@arm.com>, riel@redhat.com, pasha.tatashin@oracle.com, jschoenh@amazon.de, Kate Stewart <kstewart@linuxfoundation.org>, David Rientjes <rientjes@google.com>, tglx@linutronix.de, Peter Zijlstra <peterz@infradead.org>, Mel Gorman <mgorman@suse.de>, yang.s@alibaba-inc.com, Minchan Kim <minchan@kernel.org>, linux-fsdevel <linux-fsdevel@vger.kernel.org>, linux-kernel@vger.kernel.org, Linux-MM <linux-mm@kvack.org>

On Sat, Jun 02, 2018 at 08:25:29PM +0530, Souptick Joarder wrote:
>   CHECK   mm/gup.c
> mm/gup.c:394:17: error: undefined identifier '__COUNTER__'
> mm/gup.c:439:9: error: undefined identifier '__COUNTER__'
> mm/gup.c:441:9: error: undefined identifier '__COUNTER__'
> mm/gup.c:443:9: error: undefined identifier '__COUNTER__'
> mm/gup.c:508:17: error: undefined identifier '__COUNTER__'
> mm/gup.c:716:25: error: undefined identifier '__COUNTER__'
> mm/gup.c:826:17: error: undefined identifier '__COUNTER__'
> mm/gup.c:863:17: error: undefined identifier '__COUNTER__'
> mm/gup.c:865:17: error: undefined identifier '__COUNTER__'
> mm/gup.c:882:25: error: undefined identifier '__COUNTER__'
> mm/gup.c:883:25: error: undefined identifier '__COUNTER__'
> mm/gup.c:920:25: error: undefined identifier '__COUNTER__'
> ./include/linux/hugetlb.h:239:9: error: undefined identifier '__COUNTER__'

It seems you're using a rather old version of sparse.
Please use something more recent like v0.5.1 or v0.5.2.

Regards,
-- Luc