X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=arch%2Fpowerpc%2Fplatforms%2Fpseries%2Fhotplug-memory.c;h=a623ad256e9e500684cd972ccae1be3b4866c62e;hb=765426e8ee4c0ab2bc9d44951f4865b8494cdbd0;hp=a1a368dd2d992adb57f4b99942ffdb1e6e55a87b;hpb=85e9ca333d03fbd56b9e123c8456f0d98e20faad;p=linux-2.6-omap-h63xx.git

diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c
index a1a368dd2d9..a623ad256e9 100644
--- a/arch/powerpc/platforms/pseries/hotplug-memory.c
+++ b/arch/powerpc/platforms/pseries/hotplug-memory.c
@@ -21,7 +21,13 @@ static int pseries_remove_lmb(unsigned long base, unsigned int lmb_size)
 	struct zone *zone;
 	int ret;
 
-	start_pfn = base >> PFN_SECTION_SHIFT;
+	start_pfn = base >> PAGE_SHIFT;
+
+	if (!pfn_valid(start_pfn)) {
+		lmb_remove(base, lmb_size);
+		return 0;
+	}
+
 	zone = page_zone(pfn_to_page(start_pfn));
 
 	/*