diff options
Diffstat (limited to 'arch/sh/kernel/setup.c')
| -rw-r--r-- | arch/sh/kernel/setup.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c index 53424750857..370d2cfa34e 100644 --- a/arch/sh/kernel/setup.c +++ b/arch/sh/kernel/setup.c @@ -262,11 +262,11 @@ void __init setup_bootmem_allocator(unsigned long free_pfn) BOOTMEM_DEFAULT); /* - * reserve physical page 0 - it's a special BIOS page on many boxes, - * enabling clean reboots, SMP operation, laptop functions. + * Reserve physical pages below CONFIG_ZERO_PAGE_OFFSET. */ - reserve_bootmem(__MEMORY_START, CONFIG_ZERO_PAGE_OFFSET, - BOOTMEM_DEFAULT); + if (CONFIG_ZERO_PAGE_OFFSET != 0) + reserve_bootmem(__MEMORY_START, CONFIG_ZERO_PAGE_OFFSET, + BOOTMEM_DEFAULT); sparse_memory_present_with_active_regions(0); |