diff options
Diffstat (limited to 'arch/powerpc/mm')
| -rw-r--r-- | arch/powerpc/mm/hash_utils_64.c | 6 | ||||
| -rw-r--r-- | arch/powerpc/mm/mem.c | 3 |
2 files changed, 5 insertions, 4 deletions
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index 26b2872b3d0..07f9e9f0d87 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -534,11 +534,11 @@ static unsigned long __init htab_get_table_size(void) } #ifdef CONFIG_MEMORY_HOTPLUG -void create_section_mapping(unsigned long start, unsigned long end) +int create_section_mapping(unsigned long start, unsigned long end) { - BUG_ON(htab_bolt_mapping(start, end, __pa(start), + return htab_bolt_mapping(start, end, __pa(start), pgprot_val(PAGE_KERNEL), mmu_linear_psize, - mmu_kernel_ssize)); + mmu_kernel_ssize); } int remove_section_mapping(unsigned long start, unsigned long end) diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 29d4dde65c4..278ec8ef4f6 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -123,7 +123,8 @@ int arch_add_memory(int nid, u64 start, u64 size) pgdata = NODE_DATA(nid); start = (unsigned long)__va(start); - create_section_mapping(start, start + size); + if (create_section_mapping(start, start + size)) + return -EINVAL; /* this should work for most non-highmem platforms */ zone = pgdata->node_zones; |