> CC'ed to stable tree...maybe all kernel has this bug. > But this may not very critical because we've got no report until now. Thanks. > > == > From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> > > scan_lru_pages returns pfn. So, it's type should be "unsigned long" > not "int". > > Note: I guess this has been work until now because memory hotplug tester's > machine has not very big memory.... > physical address < 32bit << PAGE_SHIFT. > > Reported-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> > Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> > --- > mm/memory_hotplug.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > Index: mmotm-1008/mm/memory_hotplug.c > =================================================================== > --- mmotm-1008.orig/mm/memory_hotplug.c > +++ mmotm-1008/mm/memory_hotplug.c > @@ -646,7 +646,7 @@ static int test_pages_in_a_zone(unsigned > * Scanning pfn is much easier than scanning lru list. > * Scan pfn from start to end and Find LRU page. > */ > -int scan_lru_pages(unsigned long start, unsigned long end) > +unsigned long scan_lru_pages(unsigned long start, unsigned long end) Also, this can be static. anyway Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>