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>

diff --git a/arch/blackfin/kernel/vmlinux.lds.S b/arch/blackfin/kernel/vmlinux.lds.S
index eec43674a46589a05411566d009ccc585e699904..9b75bc83c71fac9847cd8e0f578183dbfb87115c 100644 (file)
--- 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 = .;