On Wed, 14 Feb 2024 14:57:19 +1100 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote: > After merging the mm tree, today's linux-next build (sparc defconfig) > failed like this: > > In file included from include/linux/page_ext.h:7, > from include/linux/mm.h:22, > from fs/sysfs/file.c:18: > include/linux/stackdepot.h:59:39: error: 'CONFIG_STACKDEPOT_MAX_FRAMES' undeclared here (not in a function) > 59 | unsigned long entries[CONFIG_STACKDEPOT_MAX_FRAMES]; /* Frames */ > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > (and many more) > > Caused by commit > > 18d4230bb372 ("lib/stackdepot: move stack_record struct definition into the header") Thanks, I'll try this. --- a/include/linux/stackdepot.h~lib-stackdepot-move-stack_record-struct-definition-into-the-header-fix +++ a/include/linux/stackdepot.h @@ -39,6 +39,7 @@ typedef u32 depot_stack_handle_t; #define DEPOT_POOL_INDEX_BITS (DEPOT_HANDLE_BITS - DEPOT_OFFSET_BITS - \ STACK_DEPOT_EXTRA_BITS) +#ifdef CONFIG_STACKDEPOT /* Compact structure that stores a reference to a stack. */ union handle_parts { depot_stack_handle_t handle; @@ -73,6 +74,7 @@ struct stack_record { }; }; }; +#endif typedef u32 depot_flags_t; _