tree: git://git.cmpxchg.org/linux-mmotm.git master head: 0a5fb91e6404ba48c11565cc856f597311b21344 commit: eaa5a15c91fe04a61b97e14e5a2f229d0907678b [200/348] mm/z3fold.c: support page migration reproduce: # apt-get install sparse git checkout eaa5a15c91fe04a61b97e14e5a2f229d0907678b make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) mm/z3fold.c:519:25: sparse: expression using sizeof(void) mm/z3fold.c:519:25: sparse: expression using sizeof(void) mm/z3fold.c:531:47: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] <asn:3>*__vpp_verify @@ got [noderef] <asn:3>*__vpp_verify @@ mm/z3fold.c:531:47: expected void const [noderef] <asn:3>*__vpp_verify mm/z3fold.c:531:47: got struct list_head *<noident> mm/z3fold.c:769:25: sparse: incorrect type in assignment (different address spaces) @@ expected struct list_head *unbuddied @@ got void struct list_head *unbuddied @@ mm/z3fold.c:769:25: expected struct list_head *unbuddied mm/z3fold.c:769:25: got void [noderef] <asn:3>* mm/z3fold.c:774:33: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] <asn:3>*__vpp_verify @@ got [noderef] <asn:3>*__vpp_verify @@ mm/z3fold.c:774:33: expected void const [noderef] <asn:3>*__vpp_verify mm/z3fold.c:774:33: got struct list_head *<noident> mm/z3fold.c:799:25: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] <asn:3>*__pdata @@ got [noderef] <asn:3>*__pdata @@ mm/z3fold.c:799:25: expected void [noderef] <asn:3>*__pdata mm/z3fold.c:799:25: got struct list_head *unbuddied mm/z3fold.c:653:21: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] <asn:3>*__vpp_verify @@ got [noderef] <asn:3>*__vpp_verify @@ mm/z3fold.c:653:21: expected void const [noderef] <asn:3>*__vpp_verify mm/z3fold.c:653:21: got struct list_head *<noident> mm/z3fold.c:708:37: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] <asn:3>*__vpp_verify @@ got [noderef] <asn:3>*__vpp_verify @@ mm/z3fold.c:708:37: expected void const [noderef] <asn:3>*__vpp_verify mm/z3fold.c:708:37: got struct list_head *<noident> mm/z3fold.c:531:47: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] <asn:3>*__vpp_verify @@ got [noderef] <asn:3>*__vpp_verify @@ mm/z3fold.c:531:47: expected void const [noderef] <asn:3>*__vpp_verify mm/z3fold.c:531:47: got struct list_head *<noident> >> mm/z3fold.c:1288:6: sparse: symbol 'z3fold_page_isolate' was not declared. Should it be static? >> mm/z3fold.c:1323:5: sparse: symbol 'z3fold_page_migrate' was not declared. Should it be static? >> mm/z3fold.c:1382:6: sparse: symbol 'z3fold_page_putback' was not declared. Should it be static? mm/z3fold.c:443:35: sparse: context imbalance in '__release_z3fold_page' - unexpected unlock mm/z3fold.c:462:9: sparse: context imbalance in 'release_z3fold_page_locked' - wrong count at exit mm/z3fold.c:475:9: sparse: context imbalance in 'release_z3fold_page_locked_list' - wrong count at exit mm/z3fold.c:610:13: sparse: context imbalance in 'do_compact_page' - different lock contexts for basic block mm/z3fold.c:950:35: sparse: context imbalance in 'z3fold_alloc' - unexpected unlock mm/z3fold.c:965:13: sparse: context imbalance in 'z3fold_free' - different lock contexts for basic block mm/z3fold.c:1075:12: sparse: context imbalance in 'z3fold_reclaim_page' - different lock contexts for basic block >> mm/z3fold.c:1382:6: sparse: context imbalance in 'z3fold_page_putback' - wrong count at exit Please review and possibly fold the followup patch. --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation