tree: git://git.kernel.org/pub/scm/linux/kernel/git/andrea/aa.git userfault head: 9866337e3999d167b77303ad9e57fd20919893e3 commit: e2ccdb8c9f49438f9c8910f2f93c7e5ee35d8644 [17/19] userfaultfd: add new syscall to provide memory externalization reproduce: # apt-get install sparse git checkout e2ccdb8c9f49438f9c8910f2f93c7e5ee35d8644 make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) >> mm/userfaultfd.c:48:6: sparse: symbol 'double_down_read' was not declared. Should it be static? >> mm/userfaultfd.c:67:6: sparse: symbol 'double_up_read' was not declared. Should it be static? >> mm/userfaultfd.c:34:9: sparse: context imbalance in 'double_pt_lock' - different lock contexts for basic block >> mm/userfaultfd.c:44:9: sparse: context imbalance in 'double_pt_unlock' - different lock contexts for basic block >> mm/userfaultfd.c:63:9: sparse: context imbalance in 'double_down_read' - wrong count at exit >> mm/userfaultfd.c:73:9: sparse: context imbalance in 'double_up_read' - wrong count at exit >> mm/userfaultfd.c:551:9: sparse: context imbalance in 'remap_anon_pages' - different lock contexts for basic block Please review and possibly fold the followup patch. --- 0-DAY kernel test infrastructure Open Source Technology Center http://lists.01.org/mailman/listinfo/kbuild Intel Corporation -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>