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authorHeiko Carstens <heiko.carstens@de.ibm.com>2017-07-05 08:37:27 +0300
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2017-07-26 09:25:09 +0300
commitf1c1174fa099566f02c809193e9720593b231ae2 (patch)
tree5868d7c9608b5429f59e2b237b7033604ad1fb5a /arch/s390/kernel
parentc67da7c7c5d4c0a45b079b21f6991cb7e753856e (diff)
downloadlinux-f1c1174fa099566f02c809193e9720593b231ae2.tar.xz
s390/mm: use new mm defines instead of magic values
Reviewed-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel')
-rw-r--r--arch/s390/kernel/dumpstack.c2
-rw-r--r--arch/s390/kernel/relocate_kernel.S5
-rw-r--r--arch/s390/kernel/setup.c8
-rw-r--r--arch/s390/kernel/vdso32/vdso32.lds.S4
-rw-r--r--arch/s390/kernel/vdso64/vdso64.lds.S4
5 files changed, 14 insertions, 9 deletions
diff --git a/arch/s390/kernel/dumpstack.c b/arch/s390/kernel/dumpstack.c
index dab78babfab6..2aa545dca4d5 100644
--- a/arch/s390/kernel/dumpstack.c
+++ b/arch/s390/kernel/dumpstack.c
@@ -76,7 +76,7 @@ void dump_trace(dump_trace_func_t func, void *data, struct task_struct *task,
frame_size = STACK_FRAME_OVERHEAD + sizeof(struct pt_regs);
#ifdef CONFIG_CHECK_STACK
sp = __dump_trace(func, data, sp,
- S390_lowcore.panic_stack + frame_size - 4096,
+ S390_lowcore.panic_stack + frame_size - PAGE_SIZE,
S390_lowcore.panic_stack + frame_size);
#endif
sp = __dump_trace(func, data, sp,
diff --git a/arch/s390/kernel/relocate_kernel.S b/arch/s390/kernel/relocate_kernel.S
index cfac28330b03..4bdc65636603 100644
--- a/arch/s390/kernel/relocate_kernel.S
+++ b/arch/s390/kernel/relocate_kernel.S
@@ -7,6 +7,7 @@
*/
#include <linux/linkage.h>
+#include <asm/page.h>
#include <asm/sigp.h>
/*
@@ -55,8 +56,8 @@ ENTRY(relocate_kernel)
.back_pgm:
lmg %r0,%r15,gprregs-.base(%r13)
.top:
- lghi %r7,4096 # load PAGE_SIZE in r7
- lghi %r9,4096 # load PAGE_SIZE in r9
+ lghi %r7,PAGE_SIZE # load PAGE_SIZE in r7
+ lghi %r9,PAGE_SIZE # load PAGE_SIZE in r9
lg %r5,0(%r2) # read another word for indirection page
aghi %r2,8 # increment pointer
tml %r5,0x1 # is it a destination page?
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 3d1d808ea8a9..bc1c95b7a4bd 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -305,7 +305,7 @@ static void __init setup_lowcore(void)
/*
* Setup lowcore for boot cpu
*/
- BUILD_BUG_ON(sizeof(struct lowcore) != LC_PAGES * 4096);
+ BUILD_BUG_ON(sizeof(struct lowcore) != LC_PAGES * PAGE_SIZE);
lc = memblock_virt_alloc_low(sizeof(*lc), sizeof(*lc));
lc->restart_psw.mask = PSW_KERNEL_BITS;
lc->restart_psw.addr = (unsigned long) restart_int_handler;
@@ -469,10 +469,10 @@ static void __init setup_memory_end(void)
vmalloc_size = VMALLOC_END ?: (128UL << 30) - MODULES_LEN;
tmp = (memory_end ?: max_physmem_end) / PAGE_SIZE;
tmp = tmp * (sizeof(struct page) + PAGE_SIZE);
- if (tmp + vmalloc_size + MODULES_LEN <= (1UL << 42))
- vmax = 1UL << 42; /* 3-level kernel page table */
+ if (tmp + vmalloc_size + MODULES_LEN <= _REGION2_SIZE)
+ vmax = _REGION2_SIZE; /* 3-level kernel page table */
else
- vmax = 1UL << 53; /* 4-level kernel page table */
+ vmax = _REGION1_SIZE; /* 4-level kernel page table */
/* module area is at the end of the kernel address space. */
MODULES_END = vmax;
MODULES_VADDR = MODULES_END - MODULES_LEN;
diff --git a/arch/s390/kernel/vdso32/vdso32.lds.S b/arch/s390/kernel/vdso32/vdso32.lds.S
index 8f048c2d6d13..263a7f9eee1e 100644
--- a/arch/s390/kernel/vdso32/vdso32.lds.S
+++ b/arch/s390/kernel/vdso32/vdso32.lds.S
@@ -2,6 +2,8 @@
* This is the infamous ld script for the 32 bits vdso
* library
*/
+
+#include <asm/page.h>
#include <asm/vdso.h>
OUTPUT_FORMAT("elf32-s390", "elf32-s390", "elf32-s390")
@@ -91,7 +93,7 @@ SECTIONS
.debug_ranges 0 : { *(.debug_ranges) }
.gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
- . = ALIGN(4096);
+ . = ALIGN(PAGE_SIZE);
PROVIDE(_vdso_data = .);
/DISCARD/ : {
diff --git a/arch/s390/kernel/vdso64/vdso64.lds.S b/arch/s390/kernel/vdso64/vdso64.lds.S
index f35455d497fe..9e3dbbcc1cfc 100644
--- a/arch/s390/kernel/vdso64/vdso64.lds.S
+++ b/arch/s390/kernel/vdso64/vdso64.lds.S
@@ -2,6 +2,8 @@
* This is the infamous ld script for the 64 bits vdso
* library
*/
+
+#include <asm/page.h>
#include <asm/vdso.h>
OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390")
@@ -91,7 +93,7 @@ SECTIONS
.debug_ranges 0 : { *(.debug_ranges) }
.gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
- . = ALIGN(4096);
+ . = ALIGN(PAGE_SIZE);
PROVIDE(_vdso_data = .);
/DISCARD/ : {