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-rw-r--r--arch/mips/kernel/vmlinux.lds.S21
1 files changed, 19 insertions, 2 deletions
diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S
index df243a64f43..007ccbe1e26 100644
--- a/arch/mips/kernel/vmlinux.lds.S
+++ b/arch/mips/kernel/vmlinux.lds.S
@@ -1,6 +1,13 @@
#include <asm/asm-offsets.h>
#include <asm/page.h>
#include <asm/thread_info.h>
+
+/*
+ * Put .bss..swapper_pg_dir as the first thing in .bss. This will
+ * ensure that it has .bss alignment (64K).
+ */
+#define BSS_FIRST_SECTIONS *(.bss..swapper_pg_dir)
+
#include <asm-generic/vmlinux.lds.h>
#undef mips
@@ -119,11 +126,21 @@ SECTIONS
}
PERCPU_SECTION(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
- . = ALIGN(PAGE_SIZE);
+ /*
+ * Align to 64K in attempt to eliminate holes before the
+ * .bss..swapper_pg_dir section at the start of .bss. This
+ * also satisfies PAGE_SIZE alignment as the largest page size
+ * allowed is 64K.
+ */
+ . = ALIGN(0x10000);
__init_end = .;
/* freed after init ends here */
- BSS_SECTION(0, 0, 0)
+ /*
+ * Force .bss to 64K alignment so that .bss..swapper_pg_dir
+ * gets that alignment. .sbss should be empty, so there will be
+ * no holes after __init_end. */
+ BSS_SECTION(0, 0x10000, 0)
_end = . ;