Blackfin arch: reclaim a few bytes from the end of our init section

Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

1 files changed, 8 insertions, 3 deletions

diff --git a/arch/blackfin/kernel/vmlinux.lds.S b/arch/blackfin/kernel/vmlinux.lds.S
index eec43674a465..9b75bc83c71f 100644
--- a/arch/blackfin/kernel/vmlinux.lds.S
+++ b/arch/blackfin/kernel/vmlinux.lds.S
@@ -172,9 +172,14 @@ SECTIONS
                 __ebss_b_l1 = .;
         }
 
-        ___init_end = LOADADDR(.data_b_l1) + SIZEOF(.data_b_l1);
-
-        .bss LOADADDR(.data_b_l1) + SIZEOF(.data_b_l1) :
+        /* Force trailing alignment of our init section so that when we
+         * free our init memory, we don't leave behind a partial page.
+         */
+        . = LOADADDR(.data_b_l1) + SIZEOF(.data_b_l1);
+        . = ALIGN(PAGE_SIZE);
+        ___init_end = .;
+
+        .bss :
         {
                 . = ALIGN(4);
                 ___bss_start = .;