linux-kernel - Re: [PATCH RFC 02/10] mm: Handle pmd entries in follow

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Message-ID: <94c35449-16ac-235b-fa2e-a5aea85dc568@oracle.com>
Date:   Tue, 4 Feb 2020 16:17:59 +0000
From:   Joao Martins <joao.m.martins@...cle.com>
To:     Matthew Wilcox <willy@...radead.org>
Cc:     linux-nvdimm@...ts.01.org, Dan Williams <dan.j.williams@...el.com>,
        Vishal Verma <vishal.l.verma@...el.com>,
        Dave Jiang <dave.jiang@...el.com>,
        Ira Weiny <ira.weiny@...el.com>,
        Alex Williamson <alex.williamson@...hat.com>,
        Cornelia Huck <cohuck@...hat.com>, kvm@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H . Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        Liran Alon <liran.alon@...cle.com>,
        Nikita Leshenko <nikita.leshchenko@...cle.com>,
        Barret Rhoden <brho@...gle.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Subject: Re: [PATCH RFC 02/10] mm: Handle pmd entries in follow_pfn()

On 2/3/20 9:37 PM, Matthew Wilcox wrote:
> On Fri, Jan 10, 2020 at 07:03:05PM +0000, Joao Martins wrote:
>> @@ -4366,6 +4366,7 @@ EXPORT_SYMBOL(follow_pte_pmd);
>>  int follow_pfn(struct vm_area_struct *vma, unsigned long address,
>>  	unsigned long *pfn)
>>  {
>> +	pmd_t *pmdpp = NULL;
> 
> Please rename to 'pmdp'.
> 
Will do.

Alongside patch 4 usage of pmdpp and renaming 'pudpp' to 'pudp'.