Shakeel - This breaks the build in mm-new for me:
CC mm/pt_reclaim.o
In file included from ./arch/x86/include/asm/rmwcc.h:5,
from ./arch/x86/include/asm/bitops.h:18,
from ./include/linux/bitops.h:68,
from ./include/linux/radix-tree.h:11,
from ./include/linux/idr.h:15,
from ./include/linux/cgroup-defs.h:13,
from mm/memcontrol.c:28:
mm/memcontrol.c: In function ‘mem_cgroup_alloc’:
./arch/x86/include/asm/percpu.h:39:45: error: expected identifier or ‘(’ before ‘__seg_gs’
39 | #define __percpu_seg_override CONCATENATE(__seg_, __percpu_seg)
| ^~~~~~
./include/linux/args.h:25:24: note: in definition of macro ‘__CONCAT’
25 | #define __CONCAT(a, b) a ## b
| ^
./arch/x86/include/asm/percpu.h:39:33: note: in expansion of macro ‘CONCATENATE’
39 | #define __percpu_seg_override CONCATENATE(__seg_, __percpu_seg)
| ^~~~~~~~~~~
./arch/x86/include/asm/percpu.h:93:33: note: in expansion of macro ‘__percpu_seg_override’
93 | # define __percpu_qual __percpu_seg_override
| ^~~~~~~~~~~~~~~~~~~~~
././include/linux/compiler_types.h:60:25: note: in expansion of macro ‘__percpu_qual’
60 | # define __percpu __percpu_qual BTF_TYPE_TAG(percpu)
| ^~~~~~~~~~~~~
mm/memcontrol.c:3700:45: note: in expansion of macro ‘__percpu’
3700 | struct memcg_vmstats_percpu *statc, __percpu *pstatc_pcpu;
| ^~~~~~~~
mm/memcontrol.c:3731:25: error: ‘pstatc_pcpu’ undeclared (first use in this function); did you mean ‘kstat_cpu’?
3731 | pstatc_pcpu = parent->vmstats_percpu;
| ^~~~~~~~~~~
| kstat_cpu
mm/memcontrol.c:3731:25: note: each undeclared identifier is reported only once for each function it appears in
The __percpu macro seems to be a bit screwy with comma-delimited decls, as it
seems that putting this on its own line fixes this problem:
