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[S390] s390: use PAGE_SIZE in vmlinux.lds

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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>
This commit is contained in:
Sam Ravnborg 2007-10-12 16:11:50 +02:00 committed by Martin Schwidefsky
parent e16af09d76
commit 52480ee520
2 changed files with 16 additions and 14 deletions
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27
arch/s390/kernel/vmlinux.lds.S
View File

@ -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 */

3
include/asm-s390/page.h
View File

@ -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)