[S390] s390: use PAGE_SIZE in vmlinux.lds

Replace the hardcoded 4096 value with the PAGE_SIZE macro.
Converted a few decimal numbers to readable hex numbers.

Use of PAGE_SIZE required a small change to page.h
to allow PAGE_SIZE to be used from assembler/linker scripts.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

2 files changed, 16 insertions, 14 deletions

diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S
index f6b16aec32e7..849120e3e28a 100644
--- a/arch/s390/kernel/vmlinux.lds.S
+++ b/arch/s390/kernel/vmlinux.lds.S
@@ -2,6 +2,7 @@
  * Written by Martin Schwidefsky (schwidefsky@de.ibm.com)
  */
 
+#include <asm/page.h>
 #include <asm-generic/vmlinux.lds.h>
 
 #ifndef CONFIG_64BIT
@@ -35,10 +36,10 @@ SECTIONS
         RODATA
 
 #ifdef CONFIG_SHARED_KERNEL
-        . = ALIGN(1048576);     /* VM shared segments are 1MB aligned */
+        . = ALIGN(0x100000);    /* VM shared segments are 1MB aligned */
 #endif
 
-        . = ALIGN(4096);
+        . = ALIGN(PAGE_SIZE);
         _eshared = .;           /* End of shareable data */
 
         . = ALIGN(16);          /* Exception table */
@@ -56,37 +57,37 @@ SECTIONS
                 CONSTRUCTORS
         }
 
-        . = ALIGN(4096);
+        . = ALIGN(PAGE_SIZE);
         .data_nosave : {
         __nosave_begin = .;
                 *(.data.nosave)
         }
-        . = ALIGN(4096);
+        . = ALIGN(PAGE_SIZE);
         __nosave_end = .;
 
-        . = ALIGN(4096);
+        . = ALIGN(PAGE_SIZE);
         .data.page_aligned : {
                 *(.data.idt)
         }
 
-        . = ALIGN(256);
+        . = ALIGN(0x100);
         .data.cacheline_aligned : {
                 *(.data.cacheline_aligned)
         }
 
-        . = ALIGN(256);
+        . = ALIGN(0x100);
         .data.read_mostly : {
                 *(.data.read_mostly)
         }
         _edata = .;             /* End of data section */
 
-        . = ALIGN(8192);        /* init_task */
+        . = ALIGN(2 * PAGE_SIZE);       /* init_task */
         .data.init_task : {
                 *(.data.init_task)
         }
 
         /* will be freed after init */
-        . = ALIGN(4096);        /* Init code and data */
+        . = ALIGN(PAGE_SIZE);   /* Init code and data */
         __init_begin = .;
         .init.text : {
                 _sinittext = .;
@@ -104,7 +105,7 @@ SECTIONS
         .init.data : {
                 *(.init.data)
         }
-        . = ALIGN(256);
+        . = ALIGN(0x100);
         .init.setup : {
                 __setup_start = .;
                 *(.init.setup)
@@ -124,7 +125,7 @@ SECTIONS
         SECURITY_INIT
 
 #ifdef CONFIG_BLK_DEV_INITRD
-        . = ALIGN(256);
+        . = ALIGN(0x100);
         .init.ramfs : {
                 __initramfs_start = .;
                 *(.init.ramfs)
@@ -133,8 +134,8 @@ SECTIONS
         }
 #endif
 
-        PERCPU(4096)
-        . = ALIGN(4096);
+        PERCPU(PAGE_SIZE)
+        . = ALIGN(PAGE_SIZE);
         __init_end = .;         /* freed after init ends here */
 
         /* BSS */
diff --git a/include/asm-s390/page.h b/include/asm-s390/page.h
index f326451ed6ec..ceec3826a67c 100644
--- a/include/asm-s390/page.h
+++ b/include/asm-s390/page.h
@@ -9,11 +9,12 @@
 #ifndef _S390_PAGE_H
 #define _S390_PAGE_H
 
+#include <linux/const.h>
 #include <asm/types.h>
 
 /* PAGE_SHIFT determines the page size */
 #define PAGE_SHIFT      12
-#define PAGE_SIZE       (1UL << PAGE_SHIFT)
+#define PAGE_SIZE       (_AC(1,UL) << PAGE_SHIFT)
 #define PAGE_MASK       (~(PAGE_SIZE-1))
 #define PAGE_DEFAULT_ACC        0
 #define PAGE_DEFAULT_KEY        (PAGE_DEFAULT_ACC << 4)