--- zzzz-none-000/linux-3.10.107/arch/m32r/include/asm/pgalloc.h 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/arch/m32r/include/asm/pgalloc.h 2021-02-04 17:41:59.000000000 +0000 @@ -43,7 +43,12 @@ { struct page *pte = alloc_page(GFP_KERNEL|__GFP_ZERO); - pgtable_page_ctor(pte); + if (!pte) + return NULL; + if (!pgtable_page_ctor(pte)) { + __free_page(pte); + return NULL; + } return pte; }