diff options
Diffstat (limited to 'arch/ppc64/kernel/prom_init.c')
| -rw-r--r-- | arch/ppc64/kernel/prom_init.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/ppc64/kernel/prom_init.c b/arch/ppc64/kernel/prom_init.c index adcf972711f..122283a1d39 100644 --- a/arch/ppc64/kernel/prom_init.c +++ b/arch/ppc64/kernel/prom_init.c @@ -892,7 +892,10 @@ static void __init prom_init_mem(void) if ( RELOC(of_platform) == PLATFORM_PSERIES_LPAR ) RELOC(alloc_top) = RELOC(rmo_top); else - RELOC(alloc_top) = RELOC(rmo_top) = min(0x40000000ul, RELOC(ram_top)); + /* Some RS64 machines have buggy firmware where claims up at 1GB + * fails. Cap at 768MB as a workaround. Still plenty of room. + */ + RELOC(alloc_top) = RELOC(rmo_top) = min(0x30000000ul, RELOC(ram_top)); prom_printf("memory layout at init:\n"); prom_printf(" memory_limit : %x (16 MB aligned)\n", RELOC(prom_memory_limit)); |