Instead of open-coding the search in page_is_ram, call memblock_is_memory. Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@xxxxxxx> --- arch/powerpc/mm/mem.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index fe8c61149fb8..da4e1555d61d 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -85,13 +85,7 @@ int page_is_ram(unsigned long pfn) #ifndef CONFIG_PPC64 /* XXX for now */ return pfn < max_pfn; #else - unsigned long paddr = (pfn << PAGE_SHIFT); - struct memblock_region *reg; - - for_each_memblock(memory, reg) - if (paddr >= reg->base && paddr < (reg->base + reg->size)) - return 1; - return 0; + return memblock_is_memory(__pfn_to_phys(pfn)); #endif } -- 2.16.1 -- 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>