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authorHeiko Carstens <heiko.carstens@de.ibm.com>2010-03-24 11:49:51 +0100
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>2010-03-24 11:49:53 +0100
commita08786568a7e334d8a07a7bb8f4fafa3f7afb89c (patch)
tree9c720858f987d8c60fdf3b8a5f70fb7719edd9d1 /arch/s390
parent92fe31329cb3a2b02f1c7616965872d6a34bcf08 (diff)
downloadop-kernel-dev-a08786568a7e334d8a07a7bb8f4fafa3f7afb89c.zip
op-kernel-dev-a08786568a7e334d8a07a7bb8f4fafa3f7afb89c.tar.gz
[S390] smp: fix lowcore allocation
The intermediate lowcore for CONFIG_SMP is allocated using a call to __alloc_bootmem() with a goal of 0. That however doesn't guarantee that the allocated piece of memory is below 2GB. Instead we should call __alloc_bootmem_low(). Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/kernel/setup.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 77a63ae..ba363d9 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -401,7 +401,7 @@ setup_lowcore(void)
* Setup lowcore for boot cpu
*/
BUILD_BUG_ON(sizeof(struct _lowcore) != LC_PAGES * 4096);
- lc = __alloc_bootmem(LC_PAGES * PAGE_SIZE, LC_PAGES * PAGE_SIZE, 0);
+ lc = __alloc_bootmem_low(LC_PAGES * PAGE_SIZE, LC_PAGES * PAGE_SIZE, 0);
lc->restart_psw.mask = PSW_BASE_BITS | PSW_DEFAULT_KEY;
lc->restart_psw.addr =
PSW_ADDR_AMODE | (unsigned long) restart_int_handler;
@@ -433,7 +433,7 @@ setup_lowcore(void)
#ifndef CONFIG_64BIT
if (MACHINE_HAS_IEEE) {
lc->extended_save_area_addr = (__u32)
- __alloc_bootmem(PAGE_SIZE, PAGE_SIZE, 0);
+ __alloc_bootmem_low(PAGE_SIZE, PAGE_SIZE, 0);
/* enable extended save area */
__ctl_set_bit(14, 29);
}
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