On 23.10.19 15:48, Chen Wandun wrote: > 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 > See https://lkml.org/lkml/2019/10/23/206 -- Thanks, David / dhildenb
