linux-kernel - "Pick the right alignment default when creating dax devices" failed to build on powerpc

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Message-ID: <1568988209.5576.199.camel@lca.pw>
Date:   Fri, 20 Sep 2019 10:03:29 -0400
From:   Qian Cai <cai@....pw>
To:     "Aneesh Kumar K.V" <aneesh.kumar@...ux.ibm.com>
Cc:     Dan Williams <dan.j.williams@...el.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: "Pick the right alignment default when creating dax devices" failed
 to build on powerpc

The linux-next commit "libnvdimm/dax: Pick the right alignment default when
creating dax devices" causes powerpc failed to build with this config. Reverted
it fixed the issue.

ERROR: "hash__has_transparent_hugepage" [drivers/nvdimm/libnvdimm.ko] undefined!
ERROR: "radix__has_transparent_hugepage" [drivers/nvdimm/libnvdimm.ko]
undefined!
make[1]: *** [scripts/Makefile.modpost:93: __modpost] Error 1
make: *** [Makefile:1305: modules] Error 2

[1] https://patchwork.kernel.org/patch/11133445/
[2] https://raw.githubusercontent.com/cailca/linux-mm/master/powerpc.config