[LU-19871] Lustre doesn't build with MEMCG disabled

• Type: Bug
• Resolution: Fixed
• Priority: Medium
• Severity: 3
• Assignee: WC Triage
• Reporter: Alex Zhuravlev

Description

  CC [M]  /home/alexey/head7/lustre/ptlrpc/pack_generic.o
/home/alexey/head7/libcfs/libcfs/../../lustre_compat/symbols.c:91:6: error: redefinition of 'folio_memcg_lock'
   91 | void folio_memcg_lock(struct folio *folio)
      |      ^~~~~~~~~~~~~~~~
In file included from /home/alexey/head7/libcfs/libcfs/../../lustre_compat/symbols.c:13:
./include/linux/memcontrol.h:1530:20: note: previous definition of 'folio_memcg_lock' with type 'void(struct folio *)'
 1530 | static inline void folio_memcg_lock(struct folio *folio)
      |                    ^~~~~~~~~~~~~~~~
/home/alexey/head7/libcfs/libcfs/../../lustre_compat/symbols.c:99:6: error: redefinition of 'folio_memcg_unlock'
   99 | void folio_memcg_unlock(struct folio *folio)
      |      ^~~~~~~~~~~~~~~~~~
In file included from /home/alexey/head7/libcfs/libcfs/../../lustre_compat/symbols.c:13:
./include/linux/memcontrol.h:1534:20: note: previous definition of 'folio_memcg_unlock' with type 'void(struct folio *)'
 1534 | static inline void folio_memcg_unlock(struct folio *folio)
      |                    ^~~~~~~~~~~~~~~~~~

Issue Links

• is related to: LU-18687 Separate userspace/compat code from kernel code