diff options
-rw-r--r-- | arch/i386/mm/discontig.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/i386/mm/discontig.c b/arch/i386/mm/discontig.c index b358f0702a4..c369a8bf7cb 100644 --- a/arch/i386/mm/discontig.c +++ b/arch/i386/mm/discontig.c @@ -243,6 +243,14 @@ static unsigned long calculate_numa_remap_pages(void) /* now the roundup is correct, convert to PAGE_SIZE pages */ size = size * PTRS_PER_PTE; + if (node_end_pfn[nid] & (PTRS_PER_PTE-1)) { + /* + * Adjust size if node_end_pfn is not on a proper + * pmd boundary. remap_numa_kva will barf otherwise. + */ + size += node_end_pfn[nid] & (PTRS_PER_PTE-1); + } + /* * Validate the region we are allocating only contains valid * pages. |