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SubjectRe: [PATCH] arm64: make flatmem depend on !NUMA
On Tue, Jul 10, 2018 at 05:16:27PM +0200, Arnd Bergmann wrote:
> Building without NUMA but with FLATMEM results in a link error
> because mem_map[] is not available:
>
> aarch64-linux-ld -EB -maarch64elfb --no-undefined -X -pie -shared -Bsymbolic --no-apply-dynamic-relocs --build-id -o .tmp_vmlinux1 -T ./arch/arm64/kernel/vmlinux.lds --whole-archive built-in.a --no-whole-archive --start-group arch/arm64/lib/lib.a lib/lib.a --end-group
> init/do_mounts.o: In function `mount_block_root':
> do_mounts.c:(.init.text+0x1e8): undefined reference to `mem_map'
> arch/arm64/kernel/vdso.o: In function `vdso_init':
> vdso.c:(.init.text+0xb4): undefined reference to `mem_map'
>
> This uses the same trick as the other architectures, making flatmem
> depend on !NUMA to avoid the broken configuration.
>
> Fixes: e7d4bac428ed ("arm64: add ARM64-specific support for flatmem")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
> arch/arm64/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

Thanks, Arnd. I've picked this one up.

Will

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