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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/setup.c
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/setup.c')
-rw-r--r--arch/s390/kernel/setup.c8
1 files changed, 4 insertions, 4 deletions
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;