linux-next: build failure after merge of the akpm-current tree

From: Stephen Rothwell
Date: Wed Jun 26 2019 - 07:41:32 EST

Hi all,

After merging the akpm-current tree, today's linux-next build (powerpc
ppc64_defconfig) failed like this:

ld: lib/ioremap.o: in function `.ioremap_huge_init':
ioremap.c:(.init.text+0x3c): undefined reference to `.arch_ioremap_p4d_supported'

Caused by commit

749940680d0b ("mm/ioremap: probe platform for p4d huge map support")

I have reverted that commit for today.

Stephen Rothwell

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