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

Stephen Rothwell
2021-05-21T05:54:07Z

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Hi all,

After merging the akpm-current tree, today's linux-next build (arm
multi_v7_defconfig) failed like this:

mm/migrate.c: In function 'unmap_and_move_huge_page':
mm/migrate.c:1295:6: error: implicit declaration of function 'hugetlb_page_subpool' [-Werror=implicit-function-declaration]
1295 | if (hugetlb_page_subpool(hpage) && !page_mapping(hpage)) {
| ^~~~~~~~~~~~~~~~~~~~

Caused by commit

b63794a67ae2 ("mm: migrate: fix missing update page_private to hugetlb_page_subpool")

CONFIG_HUGETLB_PAGE is not defined for this build.

I have reverted that commit for today.

--
Cheers,
Stephen Rothwell

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