[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>

27 files changed, 70 insertions, 3 deletions

diff --git a/arch/alpha/kernel/vmlinux.lds.S b/arch/alpha/kernel/vmlinux.lds.S
index 76bf071e376c..4cc44bd33d33 100644
--- a/arch/alpha/kernel/vmlinux.lds.S
+++ b/arch/alpha/kernel/vmlinux.lds.S
@@ -52,10 +52,12 @@ SECTIONS
   }
   __initcall_end = .;
 
+#ifdef CONFIG_BLK_DEV_INITRD
   . = ALIGN(8192);
   __initramfs_start = .;
   .init.ramfs : { *(.init.ramfs) }
   __initramfs_end = .;
+#endif
 
   . = ALIGN(8);
   .con_initcall.init : {
diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
index a8fa75ea07a9..b929a60f7547 100644
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -53,10 +53,12 @@ SECTIONS
                 __security_initcall_start = .;
                         *(.security_initcall.init)
                 __security_initcall_end = .;
+#ifdef CONFIG_BLK_DEV_INITRD
                 . = ALIGN(32);
                 __initramfs_start = .;
                         usr/built-in.o(.init.ramfs)
                 __initramfs_end = .;
+#endif
                 . = ALIGN(64);
                 __per_cpu_start = .;
                         *(.data.percpu)
diff --git a/arch/arm26/kernel/vmlinux-arm26-xip.lds.in b/arch/arm26/kernel/vmlinux-arm26-xip.lds.in
index ca61ec8218fe..046a85054018 100644
--- a/arch/arm26/kernel/vmlinux-arm26-xip.lds.in
+++ b/arch/arm26/kernel/vmlinux-arm26-xip.lds.in
@@ -46,10 +46,12 @@ SECTIONS
                 __con_initcall_start = .;
                         *(.con_initcall.init)
                 __con_initcall_end = .;
+#ifdef CONFIG_BLK_DEV_INITRD
                 . = ALIGN(32);
                 __initramfs_start = .;
                         usr/built-in.o(.init.ramfs)
                 __initramfs_end = .;
+#endif
                 . = ALIGN(32768);
                 __init_end = .;
         }
diff --git a/arch/arm26/kernel/vmlinux-arm26.lds.in b/arch/arm26/kernel/vmlinux-arm26.lds.in
index d1d3418d7eb6..1d2949e83be8 100644
--- a/arch/arm26/kernel/vmlinux-arm26.lds.in
+++ b/arch/arm26/kernel/vmlinux-arm26.lds.in
@@ -47,10 +47,12 @@ SECTIONS
                 __con_initcall_start = .;
                         *(.con_initcall.init)
                 __con_initcall_end = .;
+#ifdef CONFIG_BLK_DEV_INITRD
                 . = ALIGN(32);
                 __initramfs_start = .;
                         usr/built-in.o(.init.ramfs)
                 __initramfs_end = .;
+#endif
                 . = ALIGN(32768);
                 __init_end = .;
         }
diff --git a/arch/avr32/kernel/vmlinux.lds.c b/arch/avr32/kernel/vmlinux.lds.c
index 5c4424e362b5..ef13b7c78935 100644
--- a/arch/avr32/kernel/vmlinux.lds.c
+++ b/arch/avr32/kernel/vmlinux.lds.c
@@ -46,10 +46,12 @@ SECTIONS
                 __security_initcall_start = .;
                         *(.security_initcall.init)
                 __security_initcall_end = .;
+#ifdef CONFIG_BLK_DEV_INITRD
                 . = ALIGN(32);
                 __initramfs_start = .;
                         *(.init.ramfs)
                 __initramfs_end = .;
+#endif
                 . = ALIGN(4096);
                 __init_end = .;
         }
diff --git a/arch/cris/arch-v10/vmlinux.lds.S b/arch/cris/arch-v10/vmlinux.lds.S
index 689729a7e66e..4b348b38cf33 100644
--- a/arch/cris/arch-v10/vmlinux.lds.S
+++ b/arch/cris/arch-v10/vmlinux.lds.S
@@ -82,7 +82,8 @@ SECTIONS
                 __con_initcall_end = .;
         }       
         SECURITY_INIT
-                
+
+#ifdef CONFIG_BLK_DEV_INITRD
         .init.ramfs : {
                 __initramfs_start = .;
                 *(.init.ramfs)
@@ -93,6 +94,7 @@ SECTIONS
                 FILL (0); 
                 . = ALIGN (8192);
         }
+#endif
         
         __vmlinux_end = .;            /* last address of the physical file */
         __init_end = .;
diff --git a/arch/cris/arch-v32/vmlinux.lds.S b/arch/cris/arch-v32/vmlinux.lds.S
index 472d4b3c4cf4..e124fcd766d5 100644
--- a/arch/cris/arch-v32/vmlinux.lds.S
+++ b/arch/cris/arch-v32/vmlinux.lds.S
@@ -95,6 +95,7 @@ SECTIONS
         .data.percpu  : { *(.data.percpu) }
         __per_cpu_end = .;
 
+#ifdef CONFIG_BLK_DEV_INITRD
         .init.ramfs : {
                 __initramfs_start = .;
                 *(.init.ramfs)
@@ -107,6 +108,7 @@ SECTIONS
                 FILL (0);
                 . = ALIGN (8192);
         }
+#endif
 
         __vmlinux_end = .;      /* Last address of the physical file. */
         __init_end = .;
diff --git a/arch/frv/kernel/vmlinux.lds.S b/arch/frv/kernel/vmlinux.lds.S
index 9c1fb12367fa..97910e016825 100644
--- a/arch/frv/kernel/vmlinux.lds.S
+++ b/arch/frv/kernel/vmlinux.lds.S
@@ -61,10 +61,12 @@ SECTIONS
   .data.percpu  : { *(.data.percpu) }
   __per_cpu_end = .;
 
+#ifdef CONFIG_BLK_DEV_INITRD
   . = ALIGN(4096);
   __initramfs_start = .;
   .init.ramfs : { *(.init.ramfs) }
   __initramfs_end = .;
+#endif
 
   . = ALIGN(THREAD_SIZE);
   __init_end = .;
diff --git a/arch/h8300/kernel/vmlinux.lds.S b/arch/h8300/kernel/vmlinux.lds.S
index f05288be8878..65f1cdc5ee04 100644
--- a/arch/h8300/kernel/vmlinux.lds.S
+++ b/arch/h8300/kernel/vmlinux.lds.S
@@ -126,10 +126,12 @@ SECTIONS
         ___con_initcall_end = .;
                 *(.exit.text)
                 *(.exit.data)
+#if defined(CONFIG_BLK_DEV_INITRD)
                 . = ALIGN(4);
         ___initramfs_start = .;
                 *(.init.ramfs)
         ___initramfs_end = .;
+#endif
         . = ALIGN(0x4) ;
         ___init_end = .;
         __edata = . ;
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 = .;
diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S
index 8f3d0066f446..25dd55e4db24 100644
--- a/arch/ia64/kernel/vmlinux.lds.S
+++ b/arch/ia64/kernel/vmlinux.lds.S
@@ -111,12 +111,14 @@ SECTIONS
   .init.data : AT(ADDR(.init.data) - LOAD_OFFSET)
         { *(.init.data) }
 
+#ifdef CONFIG_BLK_DEV_INITRD
   .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET)
         {
           __initramfs_start = .;
           *(.init.ramfs)
           __initramfs_end = .;
         }
+#endif
 
    . = ALIGN(16);
   .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET)
diff --git a/arch/m32r/kernel/vmlinux.lds.S b/arch/m32r/kernel/vmlinux.lds.S
index c497a2fc88ed..439cc257cd1d 100644
--- a/arch/m32r/kernel/vmlinux.lds.S
+++ b/arch/m32r/kernel/vmlinux.lds.S
@@ -102,10 +102,14 @@ SECTIONS
      from .altinstructions and .eh_frame */
   .exit.text : { *(.exit.text) }
   .exit.data : { *(.exit.data) }
+
+#ifdef CONFIG_BLK_DEV_INITRD
   . = ALIGN(4096);
   __initramfs_start = .;
   .init.ramfs : { *(.init.ramfs) }
   __initramfs_end = .;
+#endif
+
   . = ALIGN(32);
   __per_cpu_start = .;
   .data.percpu  : { *(.data.percpu) }
diff --git a/arch/m68k/kernel/vmlinux-std.lds b/arch/m68k/kernel/vmlinux-std.lds
index d2794452b195..437b4f8d86c5 100644
--- a/arch/m68k/kernel/vmlinux-std.lds
+++ b/arch/m68k/kernel/vmlinux-std.lds
@@ -61,10 +61,12 @@ SECTIONS
   .con_initcall.init : { *(.con_initcall.init) }
   __con_initcall_end = .;
   SECURITY_INIT
+#ifdef CONFIG_BLK_DEV_INITRD
   . = ALIGN(8192);
   __initramfs_start = .;
   .init.ramfs : { *(.init.ramfs) }
   __initramfs_end = .;
+#endif
   . = ALIGN(8192);
   __init_end = .;
 
diff --git a/arch/m68k/kernel/vmlinux-sun3.lds b/arch/m68k/kernel/vmlinux-sun3.lds
index 8c7eccbfc982..2868e206fc76 100644
--- a/arch/m68k/kernel/vmlinux-sun3.lds
+++ b/arch/m68k/kernel/vmlinux-sun3.lds
@@ -55,10 +55,12 @@ __init_begin = .;
         .con_initcall.init : { *(.con_initcall.init) }
         __con_initcall_end = .;
         SECURITY_INIT
+#ifdef CONFIG_BLK_DEV_INITRD
         . = ALIGN(8192);
         __initramfs_start = .;
         .init.ramfs : { *(.init.ramfs) }
         __initramfs_end = .;
+#endif
         . = ALIGN(8192);
         __init_end = .;
         .data.init.task : { *(.data.init_task) }
diff --git a/arch/m68knommu/kernel/vmlinux.lds.S b/arch/m68knommu/kernel/vmlinux.lds.S
index bfade20a9e5e..c86a1bf589d4 100644
--- a/arch/m68knommu/kernel/vmlinux.lds.S
+++ b/arch/m68knommu/kernel/vmlinux.lds.S
@@ -159,10 +159,12 @@ SECTIONS {
                 __security_initcall_start = .;
                 *(.security_initcall.init)
                 __security_initcall_end = .;
+#ifdef CONFIG_BLK_DEV_INITRD
                 . = ALIGN(4);
                 __initramfs_start = .;
                 *(.init.ramfs)
                 __initramfs_end = .;
+#endif
                 . = ALIGN(4096);
                 __init_end = .;
         } > INIT
diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S
index cecff24cc972..c76b793310c2 100644
--- a/arch/mips/kernel/vmlinux.lds.S
+++ b/arch/mips/kernel/vmlinux.lds.S
@@ -113,10 +113,12 @@ SECTIONS
      references from .rodata */
   .exit.text : { *(.exit.text) }
   .exit.data : { *(.exit.data) }
+#if defined(CONFIG_BLK_DEV_INITRD)
   . = ALIGN(_PAGE_SIZE);
   __initramfs_start = .;
   .init.ramfs : { *(.init.ramfs) }
   __initramfs_end = .;
+#endif
   . = ALIGN(32);
   __per_cpu_start = .;
   .data.percpu  : { *(.data.percpu) }
diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S
index 7b943b45f7cd..3b78c2794c36 100644
--- a/arch/parisc/kernel/vmlinux.lds.S
+++ b/arch/parisc/kernel/vmlinux.lds.S
@@ -173,10 +173,12 @@ SECTIONS
      from .altinstructions and .eh_frame */
   .exit.text : { *(.exit.text) }
   .exit.data : { *(.exit.data) }
+#ifdef CONFIG_BLK_DEV_INITRD
   . = ALIGN(ASM_PAGE_SIZE);
   __initramfs_start = .;
   .init.ramfs : { *(.init.ramfs) }
   __initramfs_end = .;
+#endif
   . = ALIGN(32);
   __per_cpu_start = .;
   .data.percpu  : { *(.data.percpu) }
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S
index 04b8e71bf5b0..7eefeb4a30e7 100644
--- a/arch/powerpc/kernel/vmlinux.lds.S
+++ b/arch/powerpc/kernel/vmlinux.lds.S
@@ -131,14 +131,14 @@ SECTIONS
                 __stop___fw_ftr_fixup = .;
         }
 #endif
-
+#ifdef CONFIG_BLK_DEV_INITRD
         . = ALIGN(PAGE_SIZE);
         .init.ramfs : {
                 __initramfs_start = .;
                 *(.init.ramfs)
                 __initramfs_end = .;
         }
-
+#endif
 #ifdef CONFIG_PPC32
         . = ALIGN(32);
 #else
diff --git a/arch/ppc/kernel/vmlinux.lds.S b/arch/ppc/kernel/vmlinux.lds.S
index 61921268a0d0..a0625562a44b 100644
--- a/arch/ppc/kernel/vmlinux.lds.S
+++ b/arch/ppc/kernel/vmlinux.lds.S
@@ -135,10 +135,12 @@ SECTIONS
   .data.percpu  : { *(.data.percpu) }
   __per_cpu_end = .;
 
+#ifdef CONFIG_BLK_DEV_INITRD
   . = ALIGN(4096);
   __initramfs_start = .;
   .init.ramfs : { *(.init.ramfs) }
   __initramfs_end = .;
+#endif
 
   . = ALIGN(4096);
   __init_end = .;
diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S
index a48907392522..c30716ae130c 100644
--- a/arch/s390/kernel/vmlinux.lds.S
+++ b/arch/s390/kernel/vmlinux.lds.S
@@ -91,11 +91,14 @@ SECTIONS
   .con_initcall.init : { *(.con_initcall.init) }
   __con_initcall_end = .;
   SECURITY_INIT
+
+#ifdef CONFIG_BLK_DEV_INITRD
   . = ALIGN(256);
   __initramfs_start = .;
   .init.ramfs : { *(.init.initramfs) }
   . = ALIGN(2);
   __initramfs_end = .;
+#endif
   . = ALIGN(256);
   __per_cpu_start = .;
   .data.percpu  : { *(.data.percpu) }
diff --git a/arch/sh/kernel/vmlinux.lds.S b/arch/sh/kernel/vmlinux.lds.S
index f34bdcc33a7d..75de165867a0 100644
--- a/arch/sh/kernel/vmlinux.lds.S
+++ b/arch/sh/kernel/vmlinux.lds.S
@@ -83,9 +83,13 @@ SECTIONS
   .con_initcall.init : { *(.con_initcall.init) }
   __con_initcall_end = .;
   SECURITY_INIT
+
+#ifdef CONFIG_BLK_DEV_INITRD
   __initramfs_start = .;
   .init.ramfs : { *(.init.ramfs) }
   __initramfs_end = .;
+#endif
+
   __machvec_start = .;
   .init.machvec : { *(.init.machvec) }
   __machvec_end = .;
diff --git a/arch/sh64/kernel/vmlinux.lds.S b/arch/sh64/kernel/vmlinux.lds.S
index 95c4d753e357..a59c5e998131 100644
--- a/arch/sh64/kernel/vmlinux.lds.S
+++ b/arch/sh64/kernel/vmlinux.lds.S
@@ -115,9 +115,13 @@ SECTIONS
   .con_initcall.init : C_PHYS(.con_initcall.init) { *(.con_initcall.init) }
   __con_initcall_end = .;
   SECURITY_INIT
+
+#ifdef CONFIG_BLK_DEV_INITRD
   __initramfs_start = .;
   .init.ramfs : C_PHYS(.init.ramfs) { *(.init.ramfs) }
   __initramfs_end = .;
+#endif
+
   . = ALIGN(PAGE_SIZE);
   __init_end = .;
 
diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S
index b73e6b9067ed..e5c24e0521de 100644
--- a/arch/sparc/kernel/vmlinux.lds.S
+++ b/arch/sparc/kernel/vmlinux.lds.S
@@ -57,10 +57,14 @@ SECTIONS
   .con_initcall.init : { *(.con_initcall.init) }
   __con_initcall_end = .;
   SECURITY_INIT
+
+#ifdef CONFIG_BLK_DEV_INITRD
   . = ALIGN(4096);
   __initramfs_start = .;
   .init.ramfs : { *(.init.ramfs) }
   __initramfs_end = .;
+#endif
+
   . = ALIGN(32);
   __per_cpu_start = .;
   .data.percpu  : { *(.data.percpu) }
diff --git a/arch/sparc64/kernel/vmlinux.lds.S b/arch/sparc64/kernel/vmlinux.lds.S
index 4a6063f33e7a..13fa2a2e4513 100644
--- a/arch/sparc64/kernel/vmlinux.lds.S
+++ b/arch/sparc64/kernel/vmlinux.lds.S
@@ -81,10 +81,14 @@ SECTIONS
   __sun4v_2insn_patch = .;
   .sun4v_2insn_patch : { *(.sun4v_2insn_patch) }
   __sun4v_2insn_patch_end = .;
+
+#ifdef CONFIG_BLK_DEV_INITRD
   . = ALIGN(8192); 
   __initramfs_start = .;
   .init.ramfs : { *(.init.ramfs) }
   __initramfs_end = .;
+#endif
+
   . = ALIGN(8192);
   __per_cpu_start = .;
   .data.percpu  : { *(.data.percpu) }
diff --git a/arch/v850/kernel/vmlinux.lds.S b/arch/v850/kernel/vmlinux.lds.S
index 3a5fd07fe064..356308221251 100644
--- a/arch/v850/kernel/vmlinux.lds.S
+++ b/arch/v850/kernel/vmlinux.lds.S
@@ -190,12 +190,16 @@
                 __root_fs_image_start = . ;                                   \
                 *(.root)                                                      \
                 __root_fs_image_end = . ;
+
+#ifdef CONFIG_BLK_DEV_INITRD
 /* The initramfs archive.  */
 #define INITRAMFS_CONTENTS                                                    \
                 . = ALIGN (4) ;                                               \
                 ___initramfs_start = . ;                                      \
                         *(.init.ramfs)                                        \
                 ___initramfs_end = . ;
+#endif
+
 /* Where the initial bootmap (bitmap for the boot-time memory allocator) 
    should be place.  */
 #define BOOTMAP_CONTENTS                                                      \
diff --git a/arch/x86_64/kernel/vmlinux.lds.S b/arch/x86_64/kernel/vmlinux.lds.S
index 1e54ddf2338d..c360c4225244 100644
--- a/arch/x86_64/kernel/vmlinux.lds.S
+++ b/arch/x86_64/kernel/vmlinux.lds.S
@@ -192,10 +192,14 @@ 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) }
+
+#ifdef CONFIG_BLK_DEV_INITRD
   . = ALIGN(4096);
   __initramfs_start = .;
   .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { *(.init.ramfs) }
   __initramfs_end = .;
+#endif
+
     . = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
   __per_cpu_start = .;
   .data.percpu  : AT(ADDR(.data.percpu) - LOAD_OFFSET) { *(.data.percpu) }
diff --git a/arch/xtensa/kernel/vmlinux.lds.S b/arch/xtensa/kernel/vmlinux.lds.S
index a36c104c3a52..ab6370054cee 100644
--- a/arch/xtensa/kernel/vmlinux.lds.S
+++ b/arch/xtensa/kernel/vmlinux.lds.S
@@ -203,10 +203,12 @@ SECTIONS
   .data.percpu  : { *(.data.percpu) }
   __per_cpu_end = .;
 
+#ifdef CONFIG_BLK_DEV_INITRD
   . = ALIGN(4096);
   __initramfs_start =.;
   .init.ramfs : { *(.init.ramfs) }
   __initramfs_end = .;
+#endif
 
   /* We need this dummy segment here */