diff options
-rw-r--r-- | arch/s390/kernel/head.S | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S index 928ca65e8bb2..d12cff11b4bc 100644 --- a/arch/s390/kernel/head.S +++ b/arch/s390/kernel/head.S @@ -535,8 +535,13 @@ startup:basr %r13,0 # get base lhi %r1,0 icm %r1,3,.Lscpincr1-PARMAREA(%r4) # use this one if != 0 jnz .Lscnd - l %r1,.Lscpincr2-PARMAREA+4(%r4) # otherwise use this one + lhi %r1,0x800 # otherwise report 2GB .Lscnd: + lhi %r3,0x800 # limit reported memory size to 2GB + cr %r1,%r3 + jl .Lno2gb + lr %r1,%r3 +.Lno2gb: xr %r3,%r3 # same logic ic %r3,.Lscpa1-PARMAREA(%r4) chi %r3,0x00 |