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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2010-03-24 11:49:51 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2010-03-24 11:49:53 +0100 |
| commit | a08786568a7e334d8a07a7bb8f4fafa3f7afb89c (patch) | |
| tree | 9c720858f987d8c60fdf3b8a5f70fb7719edd9d1 /arch/s390/kernel/setup.c | |
| parent | [S390] zcore: CPU registers are not saved under LPAR (diff) | |
| download | linux-a08786568a7e334d8a07a7bb8f4fafa3f7afb89c.tar.xz linux-a08786568a7e334d8a07a7bb8f4fafa3f7afb89c.zip | |
[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/kernel/setup.c')
| -rw-r--r-- | arch/s390/kernel/setup.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 77a63ae419f0..ba363d99de43 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); } |