On Tue, 13 Oct 2020, Jinyang He wrote: > Commit e7ae8d174eec ("MIPS: replace add_memory_region with memblock") > replaced add_memory_region(, , BOOT_MEM_RAM) with memblock_add(). But > it doesn't work well on some platforms which have NUMA like Loongson64. Please note this is not a full review, I haven't investigated the fitness for purpose of this change and instead just addressed one aspect of coding style. > diff --git a/arch/mips/include/asm/bootinfo.h b/arch/mips/include/asm/bootinfo.h > index aa03b12..29e2d9c 100644 > --- a/arch/mips/include/asm/bootinfo.h > +++ b/arch/mips/include/asm/bootinfo.h > @@ -92,6 +92,10 @@ extern unsigned long mips_machtype; > > extern void detect_memory_region(phys_addr_t start, phys_addr_t sz_min, phys_addr_t sz_max); > > +#ifdef CONFIG_NUMA > +extern void set_memory_node(phys_addr_t start, phys_addr_t size); > +#endif > + If anything this needs to be: #ifdef CONFIG_NUMA extern void set_memory_node(phys_addr_t start, phys_addr_t size); #else static inline void set_memory_node(phys_addr_t start, phys_addr_t size) {} #endif so as to avoid #ifdef clutter across call places. Maciej