From: Chenwandun <chenwandun@xxxxxxxxxx> mm/page_alloc.o: In function `page_alloc_init_late': mm/page_alloc.c:1956: undefined reference to `zone_pcp_update' mm/page_alloc.o:(.debug_addr+0x8350): undefined reference to `zone_pcp_update' make: *** [vmlinux] Error 1 zone_pcp_update is defined in CONFIG_MEMORY_HOTPLUG, so add ifdef when calling zone_pcp_update. Signed-off-by: Chenwandun <chenwandun@xxxxxxxxxx> --- mm/page_alloc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index f9488ef..8513150 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1952,8 +1952,10 @@ void __init page_alloc_init_late(void) * so the pcpu batch and high limits needs to be updated or the limits * will be artificially small. */ +#ifdef CONFIG_MEMORY_HOTPLUG for_each_populated_zone(zone) zone_pcp_update(zone); +#endif /* * We initialized the rest of the deferred pages. Permanently disable -- 2.7.4
