diff options
Diffstat (limited to 'arch/tile/kernel/setup.c')
| -rw-r--r-- | arch/tile/kernel/setup.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/tile/kernel/setup.c b/arch/tile/kernel/setup.c index 6d179dfcc15e..fdde3b6986e5 100644 --- a/arch/tile/kernel/setup.c +++ b/arch/tile/kernel/setup.c @@ -658,6 +658,8 @@ static void __init zone_sizes_init(void) unsigned long zones_size[MAX_NR_ZONES] = { 0 }; int size = percpu_size(); int num_cpus = smp_height * smp_width; + const unsigned long dma_end = (1UL << (32 - PAGE_SHIFT)); + int i; for (i = 0; i < num_cpus; ++i) @@ -729,6 +731,14 @@ static void __init zone_sizes_init(void) zones_size[ZONE_NORMAL] = end - start; #endif + if (start < dma_end) { + zones_size[ZONE_DMA] = min(zones_size[ZONE_NORMAL], + dma_end - start); + zones_size[ZONE_NORMAL] -= zones_size[ZONE_DMA]; + } else { + zones_size[ZONE_DMA] = 0; + } + /* Take zone metadata from controller 0 if we're isolnode. */ if (node_isset(i, isolnodes)) NODE_DATA(i)->bdata = &bootmem_node_data[0]; @@ -738,7 +748,7 @@ static void __init zone_sizes_init(void) PFN_UP(node_percpu[i])); /* Track the type of memory on each node */ - if (zones_size[ZONE_NORMAL]) + if (zones_size[ZONE_NORMAL] || zones_size[ZONE_DMA]) node_set_state(i, N_NORMAL_MEMORY); #ifdef CONFIG_HIGHMEM if (end != start) |