memory_hotplug: add missing newlines to debugging output

pages_correctly_probed is missing new lines which means that the line is
not printed rightaway but it rather waits for additional printks.

Add \n to all three messages in pages_correctly_probed.

Link: http://lkml.kernel.org/r/20181218162307.10518-1-mhocko@kernel.org
Fixes: b77eab70 ("mm/memory_hotplug: optimize probe routine")
Signed-off-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Reviewed-by: Wei Yang <richard.weiyang@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/base/memory.c

@@ -207,15 +207,15 @@ static bool pages_correctly_probed(unsigned long start_pfn)
 			return false;
 
 		if (!present_section_nr(section_nr)) {
-			pr_warn("section %ld pfn[%lx, %lx) not present",
+			pr_warn("section %ld pfn[%lx, %lx) not present\n",
 				section_nr, pfn, pfn + PAGES_PER_SECTION);
 			return false;
 		} else if (!valid_section_nr(section_nr)) {
-			pr_warn("section %ld pfn[%lx, %lx) no valid memmap",
+			pr_warn("section %ld pfn[%lx, %lx) no valid memmap\n",
 				section_nr, pfn, pfn + PAGES_PER_SECTION);
 			return false;
 		} else if (online_section_nr(section_nr)) {
-			pr_warn("section %ld pfn[%lx, %lx) is already online",
+			pr_warn("section %ld pfn[%lx, %lx) is already online\n",
 				section_nr, pfn, pfn + PAGES_PER_SECTION);
 			return false;
 		}