Hi all, After merging the bcachefs tree, today's linux-next build (x86_64 allmodconfig) failed like this: In file included from fs/bcachefs/str_hash.h:5, from fs/bcachefs/xattr.h:5, from fs/bcachefs/acl.c:6: fs/bcachefs/acl.c: In function 'bch2_acl_from_disk': fs/bcachefs/btree_iter.h:896:44: error: 'PF_MEMALLOC_NORECLAIM' undeclared (first use in this function); did you mean 'PF_MEMALLOC_NOIO'? 896 | typeof(_do) _p = memalloc_flags_do(PF_MEMALLOC_NORECLAIM|PF_MEMALLOC_NOWARN, _do);\ | ^~~~~~~~~~~~~~~~~~~~~ fs/bcachefs/btree_iter.h:878:53: note: in definition of macro 'memalloc_flags_do' 878 | unsigned _saved_flags = memalloc_flags_save(_flags); \ | ^~~~~~ fs/bcachefs/acl.c:139:15: note: in expansion of macro 'allocate_dropping_locks' 139 | acl = allocate_dropping_locks(trans, ret, | ^~~~~~~~~~~~~~~~~~~~~~~ fs/bcachefs/btree_iter.h:896:44: note: each undeclared identifier is reported only once for each function it appears in 896 | typeof(_do) _p = memalloc_flags_do(PF_MEMALLOC_NORECLAIM|PF_MEMALLOC_NOWARN, _do);\ | ^~~~~~~~~~~~~~~~~~~~~ fs/bcachefs/btree_iter.h:878:53: note: in definition of macro 'memalloc_flags_do' 878 | unsigned _saved_flags = memalloc_flags_save(_flags); \ | ^~~~~~ fs/bcachefs/acl.c:139:15: note: in expansion of macro 'allocate_dropping_locks' 139 | acl = allocate_dropping_locks(trans, ret, | ^~~~~~~~~~~~~~~~~~~~~~~ fs/bcachefs/btree_iter.h:896:66: error: 'PF_MEMALLOC_NOWARN' undeclared (first use in this function); did you mean 'PF_MEMALLOC_NOFS'? 896 | typeof(_do) _p = memalloc_flags_do(PF_MEMALLOC_NORECLAIM|PF_MEMALLOC_NOWARN, _do);\ | ^~~~~~~~~~~~~~~~~~ fs/bcachefs/btree_iter.h:878:53: note: in definition of macro 'memalloc_flags_do' 878 | unsigned _saved_flags = memalloc_flags_save(_flags); \ | ^~~~~~ fs/bcachefs/acl.c:139:15: note: in expansion of macro 'allocate_dropping_locks' 139 | acl = allocate_dropping_locks(trans, ret, | ^~~~~~~~~~~~~~~~~~~~~~~ fs/bcachefs/acl.c: In function 'bch2_acl_chmod': fs/bcachefs/btree_iter.h:886:38: error: 'PF_MEMALLOC_NORECLAIM' undeclared (first use in this function); did you mean 'PF_MEMALLOC_NOIO'? 886 | int _ret = memalloc_flags_do(PF_MEMALLOC_NORECLAIM|PF_MEMALLOC_NOWARN, _do);\ | ^~~~~~~~~~~~~~~~~~~~~ fs/bcachefs/btree_iter.h:878:53: note: in definition of macro 'memalloc_flags_do' 878 | unsigned _saved_flags = memalloc_flags_save(_flags); \ | ^~~~~~ fs/bcachefs/acl.c:430:15: note: in expansion of macro 'allocate_dropping_locks_errcode' 430 | ret = allocate_dropping_locks_errcode(trans, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/bcachefs/btree_iter.h:886:60: error: 'PF_MEMALLOC_NOWARN' undeclared (first use in this function); did you mean 'PF_MEMALLOC_NOFS'? 886 | int _ret = memalloc_flags_do(PF_MEMALLOC_NORECLAIM|PF_MEMALLOC_NOWARN, _do);\ | ^~~~~~~~~~~~~~~~~~ fs/bcachefs/btree_iter.h:878:53: note: in definition of macro 'memalloc_flags_do' 878 | unsigned _saved_flags = memalloc_flags_save(_flags); \ | ^~~~~~ fs/bcachefs/acl.c:430:15: note: in expansion of macro 'allocate_dropping_locks_errcode' 430 | ret = allocate_dropping_locks_errcode(trans, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Caused by commit 5b300a92b0b2 ("bcachefs: Switch to memalloc_flags_do() for vmalloc allocations") interacting with commit cec97c753ffe ("Revert "mm: introduce PF_MEMALLOC_NORECLAIM, PF_MEMALLOC_NOWARN"") from the mm-unstable branch of the mm tree. I have reverted the mm tree commit for today. -- Cheers, Stephen Rothwell
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