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Date: Wed, 11 Nov 2020 11:22:22 +0800
From: Muchun Song <songmuchun@...edance.com>
To: Mike Kravetz <mike.kravetz@...cle.com>
Cc: Oscar Salvador <osalvador@...e.de>,
Jonathan Corbet <corbet@....net>,
Thomas Gleixner <tglx@...utronix.de>, mingo@...hat.com,
bp@...en8.de, x86@...nel.org, hpa@...or.com,
dave.hansen@...ux.intel.com, luto@...nel.org,
Peter Zijlstra <peterz@...radead.org>, viro@...iv.linux.org.uk,
Andrew Morton <akpm@...ux-foundation.org>, paulmck@...nel.org,
mchehab+huawei@...nel.org, pawan.kumar.gupta@...ux.intel.com,
Randy Dunlap <rdunlap@...radead.org>, oneukum@...e.com,
anshuman.khandual@....com, jroedel@...e.de,
Mina Almasry <almasrymina@...gle.com>,
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Michal Hocko <mhocko@...e.com>,
Xiongchun duan <duanxiongchun@...edance.com>,
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Linux Memory Management List <linux-mm@...ck.org>,
linux-fsdevel <linux-fsdevel@...r.kernel.org>
Subject: Re: [External] Re: [PATCH v3 04/21] mm/hugetlb: Introduce
nr_free_vmemmap_pages in the struct hstate
On Wed, Nov 11, 2020 at 3:40 AM Mike Kravetz <mike.kravetz@...cle.com> wrote:
>
> On 11/9/20 6:42 PM, Muchun Song wrote:
> > On Tue, Nov 10, 2020 at 12:48 AM Oscar Salvador <osalvador@...e.de> wrote:
> >>
> >> On Sun, Nov 08, 2020 at 10:10:56PM +0800, Muchun Song wrote:
> >>
> >> Unrelated to this patch but related in general, I am not sure about Mike but
> >> would it be cleaner to move all the vmemmap functions to hugetlb_vmemmap.c?
> >> hugetlb code is quite tricky, so I am not sure about stuffing more code
> >> in there.
> >>
> >
> > I also think that you are right, moving all the vmemmap functions to
> > hugetlb_vmemmap.c may make the code cleaner.
> >
> > Hi Mike, what's your opinion?
>
> I would be happy to see this in a separate file. As Oscar mentions, the
> hugetlb.c file/code is already somethat difficult to read and understand.
Got it. I will do this. Thanks.
> --
> Mike Kravetz
--
Yours,
Muchun
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