[S390] xpram off by one error.

The xpram driver shows and uses 4096 bytes less than available.

Signed-off-by: Christian Borntraeger <cborntra@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --git a/drivers/s390/block/xpram.c b/drivers/s390/block/xpram.c
index ca7d51f..cab2c73 100644 (file)
--- a/drivers/s390/block/xpram.c
+++ b/drivers/s390/block/xpram.c
@@ -453,7 +453,7 @@ static int __init xpram_init(void)
                PRINT_WARN("No expanded memory available\n");
                return -ENODEV;
        }
-       xpram_pages = xpram_highest_page_index();
+       xpram_pages = xpram_highest_page_index() + 1;
        PRINT_INFO("  %u pages expanded memory found (%lu KB).\n",
                   xpram_pages, (unsigned long) xpram_pages*4);
        rc = xpram_setup_sizes(xpram_pages);