From: Alexander Gordeev agordeev@linux.ibm.com
[ Upstream commit 04f11ed7d8e018e1f01ebda5814ddfeb3a1e6ae1 ]
memblock_reserve() function accepts physcal address of a memory block to be reserved, but provided with virtual memory pointers.
Reviewed-by: Heiko Carstens hca@linux.ibm.com Signed-off-by: Alexander Gordeev agordeev@linux.ibm.com Signed-off-by: Vasily Gorbik gor@linux.ibm.com Signed-off-by: Sasha Levin sashal@kernel.org --- arch/s390/kernel/setup.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index e38de9e8ee13..2ebde341d057 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -797,13 +797,10 @@ static void __init check_initrd(void) */ static void __init reserve_kernel(void) { - unsigned long start_pfn = PFN_UP(__pa(_end)); - memblock_reserve(0, STARTUP_NORMAL_OFFSET); - memblock_reserve((unsigned long)sclp_early_sccb, EXT_SCCB_READ_SCP); memblock_reserve(__amode31_base, __eamode31 - __samode31); - memblock_reserve((unsigned long)_stext, PFN_PHYS(start_pfn) - - (unsigned long)_stext); + memblock_reserve(__pa(sclp_early_sccb), EXT_SCCB_READ_SCP); + memblock_reserve(__pa(_stext), _end - _stext); }
static void __init setup_memory(void)