[XTENSA] Move common sections into bss sections
Move the fields of the COMMON sections 'swapper_pg_dir' and
'empty_zero_page' to the BSS section. Remove the unused COMMON
sections 'emtpy_bad_page_table' and 'empty_bad_page'.
Signed-off-by: Chris Zankel <chris@zankel.net>
diff --git a/arch/xtensa/kernel/head.S b/arch/xtensa/kernel/head.S
index ea89910..67e6913 100644
--- a/arch/xtensa/kernel/head.S
+++ b/arch/xtensa/kernel/head.S
@@ -19,6 +19,8 @@
#include <asm/page.h>
#include <asm/cacheasm.h>
+#include <linux/linkage.h>
+
/*
* This module contains the entry code for kernel images. It performs the
* minimal setup needed to call the generic C routines.
@@ -227,13 +229,14 @@
should_never_return:
j should_never_return
- /* Define some common data structures here. We define them
- * here in this assembly file due to their unusual alignment
- * requirements.
- */
- .comm swapper_pg_dir,PAGE_SIZE,PAGE_SIZE
- .comm empty_bad_page_table,PAGE_SIZE,PAGE_SIZE
- .comm empty_bad_page,PAGE_SIZE,PAGE_SIZE
- .comm empty_zero_page,PAGE_SIZE,PAGE_SIZE
+/*
+ * BSS section
+ */
+
+.section ".bss.page_aligned", "w"
+ENTRY(swapper_pg_dir)
+ .fill PAGE_SIZE, 1, 0
+ENTRY(empty_zero_page)
+ .fill PAGE_SIZE, 1, 0