[PATCH] disable init/initramfs.c: architectures

Update all arch/*/kernel/vmlinux.lds.S to not include space for initramfs
when CONFIG_BLK_DEV_INITRAMFS is not selected.  This saves another 4 kbytes
on most platfoms (some reserve PAGE_SIZE for initramfs).

Signed-off-by: Jean-Paul Saman <jean-paul.saman@nxp.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/i386/kernel/vmlinux.lds.S b/arch/i386/kernel/vmlinux.lds.S
index a53c8b1854b5..5038a73d554e 100644
--- a/arch/i386/kernel/vmlinux.lds.S
+++ b/arch/i386/kernel/vmlinux.lds.S
@@ -181,12 +181,14 @@ SECTIONS
      from .altinstructions and .eh_frame */
   .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { *(.exit.text) }
   .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { *(.exit.data) }
+#if defined(CONFIG_BLK_DEV_INITRD)
   . = ALIGN(4096);
   .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {
         __initramfs_start = .;
         *(.init.ramfs)
         __initramfs_end = .;
   }
+#endif
   . = ALIGN(L1_CACHE_BYTES);
   .data.percpu  : AT(ADDR(.data.percpu) - LOAD_OFFSET) {
         __per_cpu_start = .;