diff options
Diffstat (limited to 'arch/i386/mm/discontig.c')
| -rw-r--r-- | arch/i386/mm/discontig.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/i386/mm/discontig.c b/arch/i386/mm/discontig.c index b358f0702a4..6711ce3f691 100644 --- a/arch/i386/mm/discontig.c +++ b/arch/i386/mm/discontig.c @@ -262,6 +262,17 @@ static unsigned long calculate_numa_remap_pages(void) reserve_pages += size; printk("Shrinking node %d from %ld pages to %ld pages\n", nid, node_end_pfn[nid], node_end_pfn[nid] - size); + + if (node_end_pfn[nid] & (PTRS_PER_PTE-1)) { + /* + * Align node_end_pfn[] and node_remap_start_pfn[] to + * pmd boundary. remap_numa_kva will barf otherwise. + */ + printk("Shrinking node %d further by %ld pages for proper alignment\n", + nid, node_end_pfn[nid] & (PTRS_PER_PTE-1)); + size += node_end_pfn[nid] & (PTRS_PER_PTE-1); + } + node_end_pfn[nid] -= size; node_remap_start_pfn[nid] = node_end_pfn[nid]; } |