diff options
| -rw-r--r-- | arch/sh/kernel/setup.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c index 6d0899e890d0..fc7171a9c804 100644 --- a/arch/sh/kernel/setup.c +++ b/arch/sh/kernel/setup.c @@ -249,17 +249,18 @@ void __init setup_bootmem_allocator(unsigned long free_pfn) ROOT_DEV = Root_RAM0; if (LOADER_TYPE && INITRD_START) { - if (INITRD_START + INITRD_SIZE <= (max_low_pfn << PAGE_SHIFT)) { - reserve_bootmem(INITRD_START + __MEMORY_START, - INITRD_SIZE, BOOTMEM_DEFAULT); - initrd_start = INITRD_START + PAGE_OFFSET + - __MEMORY_START; + unsigned long initrd_start_phys = INITRD_START + __MEMORY_START; + + if (initrd_start_phys + INITRD_SIZE <= PFN_PHYS(max_low_pfn)) { + reserve_bootmem(initrd_start_phys, INITRD_SIZE, + BOOTMEM_DEFAULT); + initrd_start = (unsigned long)__va(initrd_start_phys); initrd_end = initrd_start + INITRD_SIZE; } else { printk("initrd extends beyond end of memory " - "(0x%08lx > 0x%08lx)\ndisabling initrd\n", - INITRD_START + INITRD_SIZE, - max_low_pfn << PAGE_SHIFT); + "(0x%08lx > 0x%08lx)\ndisabling initrd\n", + initrd_start_phys + INITRD_SIZE, + PFN_PHYS(max_low_pfn)); initrd_start = 0; } } |