tree:   git://git.cmpxchg.org/linux-mmotm.git master
head:   2ba830748173b6c82eda725571aa403997bcbf3a
commit: 91205695c20f4d9852279fb332730b4099afaaa4 [16/573] kexec: export free_huge_page to VMCOREINFO
config: x86_64-randconfig-c2-0731 (attached as .config)

All error/warnings:

   In file included from kernel/kexec.c:14:0:
   kernel/kexec.c: In function 'crash_save_vmcoreinfo_init':
>> kernel/kexec.c:1623:20: error: 'free_huge_page' undeclared (first use in this function)
     VMCOREINFO_SYMBOL(free_huge_page);
                       ^
   include/linux/kexec.h:148:67: note: in definition of macro 'VMCOREINFO_SYMBOL'
     vmcoreinfo_append_str("SYMBOL(%s)=%lx\n", #name, (unsigned long)&name)
                                                                      ^
   kernel/kexec.c:1623:20: note: each undeclared identifier is reported only once for each function it appears in
     VMCOREINFO_SYMBOL(free_huge_page);
                       ^
   include/linux/kexec.h:148:67: note: in definition of macro 'VMCOREINFO_SYMBOL'
     vmcoreinfo_append_str("SYMBOL(%s)=%lx\n", #name, (unsigned long)&name)
                                                                      ^

vim +/free_huge_page +1623 kernel/kexec.c

  1617		VMCOREINFO_NUMBER(PG_slab);
  1618	#ifdef CONFIG_MEMORY_FAILURE
  1619		VMCOREINFO_NUMBER(PG_hwpoison);
  1620	#endif
  1621		VMCOREINFO_NUMBER(PG_head_mask);
  1622		VMCOREINFO_NUMBER(PAGE_BUDDY_MAPCOUNT_VALUE);
> 1623		VMCOREINFO_SYMBOL(free_huge_page);
  1624	
  1625		arch_crash_save_vmcoreinfo();
  1626		update_vmcoreinfo_note();

---
0-DAY kernel build testing backend              Open Source Technology Center
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