linux-kernel - Re: page_alloc.c:(.init.text+0xa7c): undefined reference to `vmalloc

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Date:   Mon, 25 Apr 2022 14:14:34 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     linux-mm <linux-mm@...ck.org>,
        open list <linux-kernel@...r.kernel.org>,
        Song Liu <song@...nel.org>,
        Muchun Song <songmuchun@...edance.com>,
        Christoph Hellwig <hch@....de>,
        Vlastimil Babka <vbabka@...e.cz>,
        David Hildenbrand <david@...hat.com>,
        Rik van Riel <riel@...riel.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: page_alloc.c:(.init.text+0xa7c): undefined reference to `vmalloc_huge'

Hi Linus,

On Mon, 25 Apr 2022 at 13:58, Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
>
> On Mon, Apr 25, 2022 at 1:10 AM Naresh Kamboju
> <naresh.kamboju@...aro.org> wrote:
> >
> > # CONFIG_MMU is not set
>
> I just sent the stupid and straightforward patch in
>
>   https://lore.kernel.org/all/CAHk-=wi5DYKbFE4j-jC2HGsKVuf1RpZbEiYt4tSXuxGKiN9oJg@mail.gmail.com/
>
> but then I thought maybe the alias patch is as simple as the attached.
>
> So does either (or both) of these patches work?

Yes.
I have tested these two patches and both the way the build passes.

Tested-by: Linux Kernel Functional Testing <lkft@...aro.org>

- Naresh
>
>                   Linus