* page_alloc.c:(.init.text+0xa7c): undefined reference to `vmalloc_huge'
@ 2022-04-25 8:10 Naresh Kamboju
2022-04-25 8:28 ` Linus Torvalds
0 siblings, 1 reply; 3+ messages in thread
From: Naresh Kamboju @ 2022-04-25 8:10 UTC (permalink / raw)
To: linux-mm, open list
Cc: Song Liu, Muchun Song, Christoph Hellwig, Vlastimil Babka,
David Hildenbrand, Rik van Riel, Andrew Morton, Linus Torvalds,
Greg Kroah-Hartman
Linux mainline arm architecture tinyconfig and allnoconfig builds failed.
These builds have config mmu not set.
# CONFIG_MMU is not set
Regressions found on arm:
- arm-clang-14-tinyconfig
- arm-clang-nightly-tinyconfig
- arm-gcc-11-tinyconfig
- arm-clang-13-tinyconfig
- arm-gcc-11-allnoconfig
- arm-clang-14-allnoconfig
- arm-clang-nightly-allnoconfig
- arm-gcc-8-allnoconfig
- arm-clang-11-allnoconfig
- arm-clang-11-tinyconfig
- arm-gcc-9-allnoconfig
- arm-gcc-9-tinyconfig
- arm-gcc-10-allnoconfig
- arm-gcc-8-tinyconfig
- arm-gcc-10-tinyconfig
- arm-clang-12-allnoconfig
- arm-clang-12-tinyconfig
- arm-clang-13-allnoconfig
Build error:
------------
arm-linux-gnueabihf-ld: mm/page_alloc.o: in function `alloc_large_system_hash':
page_alloc.c:(.init.text+0xa7c): undefined reference to `vmalloc_huge'
make[1]: *** [Makefile:1158: vmlinux] Error 1
# To install tuxmake on your system globally:
# sudo pip3 install -U tuxmake
tuxmake --runtime podman --target-arch arm --toolchain gcc-11
--kconfig tinyconfig
Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
--
Linaro LKFT
https://lkft.linaro.org
[1] https://builds.tuxbuild.com/28GNGapkjXsbIbRSnHoGILqmaFp/
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: page_alloc.c:(.init.text+0xa7c): undefined reference to `vmalloc_huge'
2022-04-25 8:10 page_alloc.c:(.init.text+0xa7c): undefined reference to `vmalloc_huge' Naresh Kamboju
@ 2022-04-25 8:28 ` Linus Torvalds
2022-04-25 8:44 ` Naresh Kamboju
0 siblings, 1 reply; 3+ messages in thread
From: Linus Torvalds @ 2022-04-25 8:28 UTC (permalink / raw)
To: Naresh Kamboju
Cc: linux-mm, open list, Song Liu, Muchun Song, Christoph Hellwig,
Vlastimil Babka, David Hildenbrand, Rik van Riel, Andrew Morton,
Greg Kroah-Hartman
[-- Attachment #1: Type: text/plain, Size: 408 bytes --]
On Mon, Apr 25, 2022 at 1:10 AM Naresh Kamboju
<naresh.kamboju@linaro.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?
Linus
[-- Attachment #2: patch.diff --]
[-- Type: text/x-patch, Size: 407 bytes --]
mm/nommu.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/mm/nommu.c b/mm/nommu.c
index 55a9e48a7a02..9d7afc2d959e 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -226,6 +226,8 @@ void *vmalloc(unsigned long size)
}
EXPORT_SYMBOL(vmalloc);
+void *vmalloc_huge(unsigned long size, gfp_t gfp_mask) __weak __alias(__vmalloc);
+
/*
* vzalloc - allocate virtually contiguous memory with zero fill
*
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: page_alloc.c:(.init.text+0xa7c): undefined reference to `vmalloc_huge'
2022-04-25 8:28 ` Linus Torvalds
@ 2022-04-25 8:44 ` Naresh Kamboju
0 siblings, 0 replies; 3+ messages in thread
From: Naresh Kamboju @ 2022-04-25 8:44 UTC (permalink / raw)
To: Linus Torvalds
Cc: linux-mm, open list, Song Liu, Muchun Song, Christoph Hellwig,
Vlastimil Babka, David Hildenbrand, Rik van Riel, Andrew Morton,
Greg Kroah-Hartman
Hi Linus,
On Mon, 25 Apr 2022 at 13:58, Linus Torvalds
<torvalds@linux-foundation.org> wrote:
>
> On Mon, Apr 25, 2022 at 1:10 AM Naresh Kamboju
> <naresh.kamboju@linaro.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@linaro.org>
- Naresh
>
> Linus
^ permalink raw reply [flat|nested] 3+ messages in thread
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2022-04-25 8:28 ` Linus Torvalds
2022-04-25 8:44 ` Naresh Kamboju
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