[moderation/CI] Re: mm, hugetlb: implement movable_gigantic_pages sysctl

[syzbot ci]

syzbot ci has tested the following series

[v4] mm, hugetlb: implement movable_gigantic_pages sysctl
https://lore.kernel.org/all/20251218151211....@gourry.net
* [PATCH v4] mm, hugetlb: implement movable_gigantic_pages sysctl

and found the following issue:
kernel build error

Full report is available here:
https://ci.syzbot.org/series/d52fdf02-5dcf-4301-a1cf-3f4ef9cfc4fc

***

kernel build error

tree: mm-new
URL: https://kernel.googlesource.com/pub/scm/linux/kernel/git/akpm/mm.git
base: c642ecda5b136882e518d8303863473c0d21ab2f
arch: amd64
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
config: https://ci.syzbot.org/builds/2bd0cdd1-8fa9-4367-a9fc-9255e4e05b96/config

mm/hugetlb.c:505:9: error: incomplete definition of type 'struct hugetlb_cgroup'
mm/hugetlb.c:506:19: error: incomplete definition of type 'struct hugetlb_cgroup'
mm/hugetlb.c:517:16: error: incomplete definition of type 'struct hugetlb_cgroup'
mm/hugetlb.c:587:39: error: incompatible pointer types passing 'struct hugetlb_cgroup *' to parameter of type 'struct hugetlb_cgroup *' [-Werror,-Wincompatible-pointer-types]
mm/hugetlb.c:646:26: error: incompatible pointer types passing 'struct hugetlb_cgroup *' to parameter of type 'struct hugetlb_cgroup *' [-Werror,-Wincompatible-pointer-types]
mm/hugetlb.c:659:16: error: incompatible pointer types passing 'struct hugetlb_cgroup *' to parameter of type 'struct hugetlb_cgroup *' [-Werror,-Wincompatible-pointer-types]
mm/hugetlb.c:776:45: error: incompatible pointer types passing 'struct hugetlb_cgroup *' to parameter of type 'struct hugetlb_cgroup *' [-Werror,-Wincompatible-pointer-types]
mm/hugetlb.c:909:4: error: call to undeclared function 'hugetlb_cgroup_uncharge_file_region'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
mm/hugetlb.c:930:4: error: call to undeclared function 'hugetlb_cgroup_uncharge_file_region'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
mm/hugetlb.c:938:4: error: call to undeclared function 'hugetlb_cgroup_uncharge_file_region'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
mm/hugetlb.c:944:4: error: call to undeclared function 'hugetlb_cgroup_uncharge_file_region'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
mm/hugetlb.c:1107:9: error: incomplete definition of type 'struct hugetlb_cgroup'
mm/hugetlb.c:1109:24: error: incomplete definition of type 'struct hugetlb_cgroup'
mm/hugetlb.c:1287:3: error: call to undeclared function 'resv_map_put_hugetlb_cgroup_uncharge_info'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
mm/hugetlb.c:1479:18: error: call to undeclared function 'hugetlb_cgroup_from_folio'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
mm/hugetlb.c:1480:18: error: call to undeclared function 'hugetlb_cgroup_from_folio_rsvd'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
mm/hugetlb.c:1483:6: error: call to undeclared function 'hstate_is_gigantic_no_runtime'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
mm/hugetlb.c:1545:6: error: call to undeclared function 'hstate_is_gigantic_no_runtime'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
mm/hugetlb.c:1807:2: error: call to undeclared function 'hugetlb_cgroup_uncharge_folio'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]

***

If these findings have caused you to resend the series or submit a
separate fix, please add the following tag to your commit message:
Tested-by: syz...@syzkaller.appspotmail.com

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