diff options
Diffstat (limited to 'arch/microblaze/mm')
| -rw-r--r-- | arch/microblaze/mm/init.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c index 95297b13dd9..ce80823051b 100644 --- a/arch/microblaze/mm/init.c +++ b/arch/microblaze/mm/init.c @@ -398,10 +398,16 @@ asmlinkage void __init mmu_init(void) machine_restart(NULL); } - if ((u32) memblock.memory.regions[0].size < 0x1000000) { - printk(KERN_EMERG "Memory must be greater than 16MB\n"); + if ((u32) memblock.memory.regions[0].size < 0x400000) { + printk(KERN_EMERG "Memory must be greater than 4MB\n"); machine_restart(NULL); } + + if ((u32) memblock.memory.regions[0].size < kernel_tlb) { + printk(KERN_EMERG "Kernel size is greater than memory node\n"); + machine_restart(NULL); + } + /* Find main memory where the kernel is */ memory_start = (u32) memblock.memory.regions[0].base; lowmem_size = memory_size = (u32) memblock.memory.regions[0].size; @@ -462,11 +468,11 @@ void __init *early_get_page(void) p = alloc_bootmem_pages(PAGE_SIZE); } else { /* - * Mem start + 32MB -> here is limit + * Mem start + kernel_tlb -> here is limit * because of mem mapping from head.S */ p = __va(memblock_alloc_base(PAGE_SIZE, PAGE_SIZE, - memory_start + 0x2000000)); + memory_start + kernel_tlb)); } return p; } |