xtensa: keep sysmem banks ordered in mem_reserve

Rewrite mem_reserve so that it keeps bank order.
Also make its return code more traditional.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c
index df2b1d6fc843..017c06aba9b2 100644
--- a/arch/xtensa/kernel/setup.c
+++ b/arch/xtensa/kernel/setup.c
@@ -462,7 +462,7 @@ void __init setup_arch(char **cmdline_p)
 #ifdef CONFIG_BLK_DEV_INITRD
         if (initrd_start < initrd_end) {
                 initrd_is_mapped = mem_reserve(__pa(initrd_start),
-                                               __pa(initrd_end), 0);
+                                               __pa(initrd_end), 0) == 0;
                 initrd_below_start_ok = 1;
         } else {
                 initrd_start = 0;