free_huge_page() is undefined without CONFIG_HUGETLBFS and there's no need to filter PageHuge() page is such a configuration either. Reported-by: kbuild test robot <fengguang.wu@xxxxxxxxx> Signed-off-by: David Rientjes <rientjes@xxxxxxxxxx> --- To be folded into kexec-export-free_huge_page-to-vmcoreinfo.patch. kernel/kexec.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/kexec.c b/kernel/kexec.c --- a/kernel/kexec.c +++ b/kernel/kexec.c @@ -1994,7 +1994,9 @@ static int __init crash_save_vmcoreinfo_init(void) #endif VMCOREINFO_NUMBER(PG_head_mask); VMCOREINFO_NUMBER(PAGE_BUDDY_MAPCOUNT_VALUE); +#ifdef CONFIG_HUGETLBFS VMCOREINFO_SYMBOL(free_huge_page); +#endif arch_crash_save_vmcoreinfo(); update_vmcoreinfo_note(); -- 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>